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(-) Description

Title :  STRUCTURES OF DIHYDROFOLATE REDUCTASE-THYMIDYLATE SYNTHASE OF TRYPANOSOMA CRUZI IN THE FOLATE-FREE STATE AND IN COMPLEX WITH TWO ANTIFOLATE DRUGS, TRIMETREXATE AND METHOTREXATE
 
Authors :  N. Schormann, O. Senkovich, D. Chattopadhyay
Date :  04 May 09  (Deposition) - 19 May 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.00
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,D  (1x)
Biol. Unit 2:  B,C  (1x)
Keywords :  Bifunctional Enzyme In Complex With Nadp And Tmq, Oxidoreductase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  O. Senkovich, N. Schormann, D. Chattopadhyay
Structures Of Dihydrofolate Reductase-Thymidylate Synthase Of Trypanosoma Cruzi In The Folate-Free State And In Comple With Two Antifolate Drugs, Trimetrexate And Methotrexate.
Acta Crystallogr. , Sect. D V. 65 704 2009
PubMed-ID: 19564691  |  Reference-DOI: 10.1107/S090744490901230X

(-) Compounds

Molecule 1 - DIHYDROFOLATE REDUCTASE-THYMIDYLATE SYNTHASE
    Chains: A, B, C, D
    EC Number: 1.5.1.3, 2.1.1.45
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET15B
    Expression System Strain: ROSETTA(DE3)PLYSS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: DHFR-TS
    Organism Scientific: TRYPANOSOMA CRUZI
    Organism Taxid: 5693
    Strain: Y

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): A  D
Biological Unit 2 (1x):  BC 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 48)

Asymmetric Unit (4, 48)
No.NameCountTypeFull Name
1EDO12Ligand/Ion1,2-ETHANEDIOL
2NAP4Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
3SO428Ligand/IonSULFATE ION
4TMQ4Ligand/IonTRIMETREXATE
Biological Unit 1 (4, 25)
No.NameCountTypeFull Name
1EDO7Ligand/Ion1,2-ETHANEDIOL
2NAP2Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
3SO414Ligand/IonSULFATE ION
4TMQ2Ligand/IonTRIMETREXATE
Biological Unit 2 (4, 23)
No.NameCountTypeFull Name
1EDO5Ligand/Ion1,2-ETHANEDIOL
2NAP2Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
3SO414Ligand/IonSULFATE ION
4TMQ2Ligand/IonTRIMETREXATE

(-) Sites  (48, 48)

Asymmetric Unit (48, 48)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREVAL A:27 , ALA A:28 , ILE A:35 , GLY A:38 , ARG A:39 , SER A:40 , ILE A:41 , GLY A:77 , ARG A:78 , LYS A:79 , THR A:80 , LEU A:99 , SER A:100 , SER A:101 , THR A:102 , GLY A:130 , GLY A:131 , ILE A:154 , GLY A:156 , GLY A:157 , SER A:158 , TYR A:160 , TMQ A:611BINDING SITE FOR RESIDUE NAP A 601
02AC2SOFTWAREVAL A:26 , VAL A:27 , ALA A:28 , ILE A:41 , ASP A:48 , MET A:49 , PHE A:52 , ILE A:84 , PRO A:85 , LEU A:91 , ILE A:154 , NAP A:601BINDING SITE FOR RESIDUE TMQ A 611
03AC3SOFTWAREARG A:383 , ARG A:384 , ARG D:423 , SER D:424BINDING SITE FOR RESIDUE SO4 A 701
04AC4SOFTWAREARG A:39 , ARG A:78 , LYS A:79BINDING SITE FOR RESIDUE SO4 A 805
05AC5SOFTWAREARG A:249 , GLU A:250 , TRP B:206 , ARG B:208 , LEU B:230BINDING SITE FOR RESIDUE SO4 A 813
06AC6SOFTWAREARG A:323 , GLU A:335 , GLU A:336BINDING SITE FOR RESIDUE SO4 A 814
07AC7SOFTWAREPHE A:288 , ARG A:290BINDING SITE FOR RESIDUE SO4 A 815
08AC8SOFTWAREARG A:233 , ARG A:235BINDING SITE FOR RESIDUE SO4 A 817
09AC9SOFTWARETRP A:206 , EDO B:906BINDING SITE FOR RESIDUE EDO A 902
10BC1SOFTWARESER A:212 , TYR A:226 , VAL B:253 , SER B:467BINDING SITE FOR RESIDUE EDO A 904
11BC2SOFTWAREALA B:28 , ILE B:35 , ARG B:39 , SER B:40 , ILE B:41 , GLY B:77 , ARG B:78 , LYS B:79 , THR B:80 , LEU B:99 , SER B:100 , SER B:101 , THR B:102 , GLY B:130 , GLY B:131 , ILE B:154 , GLY B:155 , GLY B:156 , GLY B:157 , SER B:158 , VAL B:159 , TYR B:160 , TMQ B:612BINDING SITE FOR RESIDUE NAP B 602
12BC3SOFTWAREASP B:48 , PHE B:52 , SER B:83 , ILE B:154 , HOH B:549 , HOH B:558 , NAP B:602BINDING SITE FOR RESIDUE TMQ B 612
13BC4SOFTWAREARG B:323 , GLU B:335 , GLU B:336BINDING SITE FOR RESIDUE SO4 B 806
14BC5SOFTWAREARG B:491 , ARG B:493 , GLU B:494 , ASP B:498BINDING SITE FOR RESIDUE SO4 B 809
15BC6SOFTWAREGLN B:364 , GLY B:365BINDING SITE FOR RESIDUE SO4 B 818
16BC7SOFTWAREARG B:233 , ARG B:235BINDING SITE FOR RESIDUE SO4 B 821
17BC8SOFTWAREPHE B:288 , ARG B:290BINDING SITE FOR RESIDUE SO4 B 823
18BC9SOFTWAREARG A:177 , EDO A:902 , ASN B:252 , VAL B:253 , ASN C:413BINDING SITE FOR RESIDUE EDO B 906
19CC1SOFTWAREARG B:383 , ARG B:384 , ARG C:257 , ARG C:423 , SER C:424BINDING SITE FOR RESIDUE SO4 C 702
20CC2SOFTWAREALA C:28 , ILE C:35 , GLY C:38 , ARG C:39 , SER C:40 , ILE C:41 , GLY C:77 , ARG C:78 , LYS C:79 , THR C:80 , LEU C:99 , SER C:100 , SER C:101 , THR C:102 , GLY C:130 , GLY C:131 , ILE C:154 , GLY C:156 , GLY C:157 , SER C:158 , VAL C:159 , TYR C:160 , TMQ C:613BINDING SITE FOR RESIDUE NAP C 603
21CC3SOFTWAREVAL C:26 , VAL C:27 , ASP C:48 , MET C:49 , PHE C:52 , SER C:83 , ILE C:84 , PRO C:85 , ILE C:154 , NAP C:603BINDING SITE FOR RESIDUE TMQ C 613
22CC4SOFTWAREARG B:257 , ARG B:423 , ARG C:383 , ARG C:384 , HOH C:565BINDING SITE FOR RESIDUE SO4 C 703
23CC5SOFTWAREARG C:60 , EDO C:908BINDING SITE FOR RESIDUE SO4 C 802
24CC6SOFTWAREARG C:39 , ARG C:78 , LYS C:79BINDING SITE FOR RESIDUE SO4 C 807
25CC7SOFTWAREGLY B:351 , ASN B:391 , SER B:393 , PHE C:350 , GLY C:351 , ASN C:391 , SER C:393BINDING SITE FOR RESIDUE SO4 C 808
26CC8SOFTWAREPHE C:288 , ARG C:290 , EDO C:909BINDING SITE FOR RESIDUE SO4 C 812
27CC9SOFTWAREARG C:233 , ARG C:235BINDING SITE FOR RESIDUE SO4 C 816
28DC1SOFTWAREARG C:491 , ARG C:493 , GLU C:494 , ASP C:498BINDING SITE FOR RESIDUE SO4 C 822
29DC2SOFTWAREARG C:323 , GLU C:335 , GLU C:336BINDING SITE FOR RESIDUE SO4 C 824
30DC3SOFTWAREARG C:286 , VAL C:506 , TYR C:509 , SO4 C:802BINDING SITE FOR RESIDUE EDO C 908
31DC4SOFTWAREVAL C:287 , PHE C:288 , HOH C:569 , SO4 C:812BINDING SITE FOR RESIDUE EDO C 909
32DC5SOFTWAREGLN C:173 , ALA C:174 , LYS C:229 , ILE C:231BINDING SITE FOR RESIDUE EDO C 910
33DC6SOFTWAREASN B:413 , ASN C:252 , VAL C:253 , ARG D:177 , ARG D:208 , HOH D:552 , EDO D:911BINDING SITE FOR RESIDUE EDO C 912
34DC7SOFTWAREALA D:28 , ILE D:35 , GLY D:38 , ARG D:39 , SER D:40 , ILE D:41 , GLY D:77 , ARG D:78 , LYS D:79 , THR D:80 , LEU D:99 , SER D:100 , SER D:101 , THR D:102 , GLY D:130 , GLY D:131 , ILE D:154 , GLY D:155 , GLY D:156 , GLY D:157 , SER D:158 , VAL D:159 , TYR D:160 , TMQ D:614BINDING SITE FOR RESIDUE NAP D 604
35DC8SOFTWAREVAL D:26 , VAL D:27 , ALA D:28 , ASP D:48 , MET D:49 , PHE D:52 , PRO D:85 , ILE D:154 , NAP D:604BINDING SITE FOR RESIDUE TMQ D 614
36DC9SOFTWAREARG A:257 , ARG A:423 , SER A:424 , ARG D:383 , ARG D:384BINDING SITE FOR RESIDUE SO4 D 704
37EC1SOFTWAREARG D:60 , TYR D:509BINDING SITE FOR RESIDUE SO4 D 801
38EC2SOFTWAREPHE D:288 , ARG D:290BINDING SITE FOR RESIDUE SO4 D 803
39EC3SOFTWAREARG D:482 , PRO D:513BINDING SITE FOR RESIDUE SO4 D 804
40EC4SOFTWAREARG D:491 , ARG D:493BINDING SITE FOR RESIDUE SO4 D 810
41EC5SOFTWAREARG D:323 , GLU D:335 , GLU D:336BINDING SITE FOR RESIDUE SO4 D 811
42EC6SOFTWAREARG D:78BINDING SITE FOR RESIDUE SO4 D 819
43EC7SOFTWAREARG D:233 , ARG D:235BINDING SITE FOR RESIDUE SO4 D 820
44EC8SOFTWARESER C:467 , ILE D:211 , SER D:212 , GLU D:214 , TYR D:226BINDING SITE FOR RESIDUE EDO D 901
45EC9SOFTWAREARG C:177 , TRP C:206 , ARG C:208 , ARG D:249 , GLU D:250 , GLY D:251 , EDO D:905BINDING SITE FOR RESIDUE EDO D 903
46FC1SOFTWAREARG C:177 , ARG C:208 , ASN D:252 , VAL D:253 , EDO D:903BINDING SITE FOR RESIDUE EDO D 905
47FC2SOFTWAREILE C:211 , SER C:212 , GLU C:214 , HIS D:255 , GLY D:261 , SER D:467BINDING SITE FOR RESIDUE EDO D 907
48FC3SOFTWAREARG C:249 , EDO C:912 , TRP D:206 , ARG D:208BINDING SITE FOR RESIDUE EDO D 911

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3HBB)

(-) Cis Peptide Bonds  (11, 11)

Asymmetric Unit
No.Residues
1Arg A:89 -Pro A:90
2Pro A:166 -Pro A:167
3Arg B:89 -Pro B:90
4Pro B:166 -Pro B:167
5Arg C:89 -Pro C:90
6Leu C:112 -Pro C:113
7Thr C:145 -Pro C:146
8Pro C:166 -Pro C:167
9Arg D:89 -Pro D:90
10Thr D:145 -Pro D:146
11Pro D:166 -Pro D:167

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3HBB)

(-) PROSITE Motifs  (3, 12)

Asymmetric Unit (3, 12)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1DHFR_2PS51330 Dihydrofolate reductase (DHFR) domain profile.DRTS_TRYCR22-232
 
 
 		  4A:22-232
B:22-232
C:22-232
D:22-232
2DHFR_1PS00075 Dihydrofolate reductase (DHFR) domain signature.DRTS_TRYCR34-56
 
 
 		  4A:34-56
B:34-56
C:34-56
D:34-56
3THYMIDYLATE_SYNTHASEPS00091 Thymidylate synthase active site.DRTS_TRYCR383-411
 
 
 		  4A:383-411
B:383-411
C:383-411
D:383-411
Biological Unit 1 (3, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1DHFR_2PS51330 Dihydrofolate reductase (DHFR) domain profile.DRTS_TRYCR22-232
 
 
 		  2A:22-232
-
-
D:22-232
2DHFR_1PS00075 Dihydrofolate reductase (DHFR) domain signature.DRTS_TRYCR34-56
 
 
 		  2A:34-56
-
-
D:34-56
3THYMIDYLATE_SYNTHASEPS00091 Thymidylate synthase active site.DRTS_TRYCR383-411
 
 
 		  2A:383-411
-
-
D:383-411
Biological Unit 2 (3, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1DHFR_2PS51330 Dihydrofolate reductase (DHFR) domain profile.DRTS_TRYCR22-232
 
 
 		  2-
B:22-232
C:22-232
-
2DHFR_1PS00075 Dihydrofolate reductase (DHFR) domain signature.DRTS_TRYCR34-56
 
 
 		  2-
B:34-56
C:34-56
-
3THYMIDYLATE_SYNTHASEPS00091 Thymidylate synthase active site.DRTS_TRYCR383-411
 
 
 		  2-
B:383-411
C:383-411
-

(-) Exons   (0, 0)

(no "Exon" information available for 3HBB)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:510
 aligned with DRTS_TRYCR | Q27793 from UniProtKB/Swiss-Prot  Length:521

    Alignment length:515
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511     
           DRTS_TRYCR     2 SLFKIRMPETVAEGTRLALRAFSLVVAVDEHGGIGDGRSIPWNVPEDMKFFRDLTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALRLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPIS 516
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....................eeeeeeee...eee........hhhhhhhhhhhhhh............eeeeeeehhhhhhhhhhhh....eeeeee....hhhhhh......-----....eeee..hhhhhhhhh........eeeeeeeehhhhhhhhh..hhhh.eeeeeeeee........ee.......hhhhh...eeeeee...ee.......eeeeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee.hhhh.........hhhhhhhhhhhhhh....hhhhhh.....hhhhhhhhhhhhh.............hhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhhh.......eeee.....hhhhhhhh.eeee......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --------------------DHFR_2  PDB: A:22-232 UniProt: 22-232                                                                                                                                                                              ------------------------------------------------------------------------------------------------------------------------------------------------------THYMIDYLATE_SYNTHASE         --------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) --------------------------------DHFR_1  PDB: A:34-56   ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb A   2 SLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDE-----HADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPIS 516
                                    11        21        31        41        51        61        71        81        91       101       111   |   121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511     
                                                                                                                                           115   121                                                                                                                                                                                                                                                                                                                                                                                                           


Chain A from PDB  Type:PROTEIN  Length:510
 aligned with Q8T5T8_TRYCR | Q8T5T8 from UniProtKB/TrEMBL  Length:521

    Alignment length:515
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511     
         Q8T5T8_TRYCR     2 SLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPIS 516
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....................eeeeeeee...eee........hhhhhhhhhhhhhh............eeeeeeehhhhhhhhhhhh....eeeeee....hhhhhh......-----....eeee..hhhhhhhhh........eeeeeeeehhhhhhhhh..hhhh.eeeeeeeee........ee.......hhhhh...eeeeee...ee.......eeeeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee.hhhh.........hhhhhhhhhhhhhh....hhhhhh.....hhhhhhhhhhhhh.............hhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhhh.......eeee.....hhhhhhhh.eeee......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb A   2 SLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDE-----HADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPIS 516
                                    11        21        31        41        51        61        71        81        91       101       111   |   121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511     
                                                                                                                                           115   121                                                                                                                                                                                                                                                                                                                                                                                                           


Chain B from PDB  Type:PROTEIN  Length:505
 aligned with DRTS_TRYCR | Q27793 from UniProtKB/Swiss-Prot  Length:521

    Alignment length:514
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511    
           DRTS_TRYCR     2 SLFKIRMPETVAEGTRLALRAFSLVVAVDEHGGIGDGRSIPWNVPEDMKFFRDLTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALRLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....................eeeeeee....eee...........hhhhhhhhhhh............eeeeeeehhhhhh.hhhhh.....eeeee.....hhhhh.---------.....eeee..hhhhhhhhhhh......eeeeeeeehhhhhhhhh..hhhh.eeeeeeee.........ee.......hhhhh...eeeeee..............eeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee..............hhhhhhhhhhhhhh....hhhhhh......hhhhhhhhhhh..............hhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhh........eeee.....hhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --------------------DHFR_2  PDB: B:22-232 UniProt: 22-232                                                                                                                                                                              ------------------------------------------------------------------------------------------------------------------------------------------------------THYMIDYLATE_SYNTHASE         -------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) --------------------------------DHFR_1  PDB: B:34-56   --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb B   2 SLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLD---------LHADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
                                    11        21        31        41        51        61        71        81        91       101        |-       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511    
                                                                                                                                      110       120                                                                                                                                                                                                                                                                                                                                                                                                           


Chain B from PDB  Type:PROTEIN  Length:505
 aligned with Q8T5T8_TRYCR | Q8T5T8 from UniProtKB/TrEMBL  Length:521

    Alignment length:514
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511    
         Q8T5T8_TRYCR     2 SLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....................eeeeeee....eee...........hhhhhhhhhhh............eeeeeeehhhhhh.hhhhh.....eeeee.....hhhhh.---------.....eeee..hhhhhhhhhhh......eeeeeeeehhhhhhhhh..hhhh.eeeeeeee.........ee.......hhhhh...eeeeee..............eeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee..............hhhhhhhhhhhhhh....hhhhhh......hhhhhhhhhhh..............hhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhh........eeee.....hhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb B   2 SLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLD---------LHADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
                                    11        21        31        41        51        61        71        81        91       101        |-       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511    
                                                                                                                                      110       120                                                                                                                                                                                                                                                                                                                                                                                                           


Chain C from PDB  Type:PROTEIN  Length:510
 aligned with DRTS_TRYCR | Q27793 from UniProtKB/Swiss-Prot  Length:521

    Alignment length:515
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
           DRTS_TRYCR     1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDEHGGIGDGRSIPWNVPEDMKFFRDLTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALRLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......................eeeeeeee...eee........hhhhhhhhhhhhhh............eeeeeeehhhhhhhhhhhh....eeeeee....hhhhhhh.....-----....eeee..hhhhhhhhh........eeeeee..hhhhhhhhh..hhhh.eeeeeeeee........ee...............eeeeee...ee.......eeeeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee..............hhhhhhhhhhhhhh....hhhhhh......hhhhhhhhhhhh............hhhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhh........eeee.....hhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---------------------DHFR_2  PDB: C:22-232 UniProt: 22-232                                                                                                                                                                              ------------------------------------------------------------------------------------------------------------------------------------------------------THYMIDYLATE_SYNTHASE         -------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------DHFR_1  PDB: C:34-56   --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb C   1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDE-----HADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
                                    10        20        30        40        50        60        70        80        90       100       110    |    -|      130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
                                                                                                                                            115   121                                                                                                                                                                                                                                                                                                                                                                                                          


Chain C from PDB  Type:PROTEIN  Length:510
 aligned with Q8T5T8_TRYCR | Q8T5T8 from UniProtKB/TrEMBL  Length:521

    Alignment length:515
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
         Q8T5T8_TRYCR     1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......................eeeeeeee...eee........hhhhhhhhhhhhhh............eeeeeeehhhhhhhhhhhh....eeeeee....hhhhhhh.....-----....eeee..hhhhhhhhh........eeeeee..hhhhhhhhh..hhhh.eeeeeeeee........ee...............eeeeee...ee.......eeeeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee..............hhhhhhhhhhhhhh....hhhhhh......hhhhhhhhhhhh............hhhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhh........eeee.....hhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb C   1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDE-----HADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
                                    10        20        30        40        50        60        70        80        90       100       110    |    -|      130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
                                                                                                                                            115   121                                                                                                                                                                                                                                                                                                                                                                                                          


Chain D from PDB  Type:PROTEIN  Length:507
 aligned with DRTS_TRYCR | Q27793 from UniProtKB/Swiss-Prot  Length:521

    Alignment length:515
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
           DRTS_TRYCR     1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDEHGGIGDGRSIPWNVPEDMKFFRDLTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALRLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......................eeeeeeee...eee........hhhhhhhhhhhhhh............eeeeeeehhhhhhhhhhhh....eeeeee....hhhhhhh..--------....eeee..hhhhhhhhh........eeeeeeeehhhhhhhhh..hhhh.eeeeeeeee........ee...............eeeeee...ee.......eeeeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee..............hhhhhhhhhhhhhh....hhhhhh..........hhhhhhhh............hhhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhhh.......eeee.....hhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---------------------DHFR_2  PDB: D:22-232 UniProt: 22-232                                                                                                                                                                              ------------------------------------------------------------------------------------------------------------------------------------------------------THYMIDYLATE_SYNTHASE         -------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------DHFR_1  PDB: D:34-56   --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb D   1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGL--------HADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
                                    10        20        30        40        50        60        70        80        90       100       110 |       -|      130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
                                                                                                                                         112      121                                                                                                                                                                                                                                                                                                                                                                                                          


Chain D from PDB  Type:PROTEIN  Length:507
 aligned with Q8T5T8_TRYCR | Q8T5T8 from UniProtKB/TrEMBL  Length:521

    Alignment length:515
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
         Q8T5T8_TRYCR     1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGLPDEEKRNLHADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......................eeeeeeee...eee........hhhhhhhhhhhhhh............eeeeeeehhhhhhhhhhhh....eeeeee....hhhhhhh..--------....eeee..hhhhhhhhh........eeeeeeeehhhhhhhhh..hhhh.eeeeeeeee........ee...............eeeeee...ee.......eeeeeeeee.hhhhhhhhhhhhhhhhhheeee.....eeeeeeeeeeeee..............hhhhhhhhhhhhhh....hhhhhh..........hhhhhhhh............hhhhhhhhh................hhhhhhhhhhhhh......eee.....hhhhh.....eeeeeeeee..eeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.eeeeeeeeeeeeeee..hhhhhhhhhh.......eeee.....hhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3hbb D   1 MSLFKIRMPETVAEGTRLALRAFSLVVAVDERGGIGDGRSIPWNVPEDMKFFRDVTTKLRGKNVKPSPAKRNAVVMGRKTWDSIPPKFRPLPGRLNVVLSSTLTTQHLLDGL--------HADSIVAVNGGLEQALQLLASPNYTPSIETVYCIGGGSVYAEALRPPCVHLLQAIYRTTIRASESSCSVFFRVPESGTEAAAGIEWQRETISEELTSANGNETKYYFEKLIPRNREEEQYLSLVDRIIREGNVKHDRTGVGTLSIFGAQMRFSLRNNRLPLLTTKRVFWRGVCEELLWFLRGETYAKKLSDKGVHIWDDNGSRAFLDSRGLTEYEEMDLGPVYGFQWRHFGAAYTHHDANYDGQGVDQIKAIVETLKTNPDDRRMLFTAWNPSALPRMALPPCHLLAQFYVSNGELSCMLYQRSCDMGLGVPFNIASYALLTILIAKATGLRPGELVHTLGDAHVYSNHVEPCNEQLKRVPRAFPYLVFRREREFLEDYEEGDMEVIDYAPYPPI 515
                                    10        20        30        40        50        60        70        80        90       100       110 |       -|      130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510     
                                                                                                                                         112      121
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3HBB)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3HBB)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3HBB)

(-) Gene Ontology  (15, 27)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (DRTS_TRYCR | Q27793)
molecular function
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0004146    dihydrofolate reductase activity    Catalysis of the reaction: 5,6,7,8-tetrahydrofolate + NADP+ = 7,8-dihydrofolate + NADPH + H+.
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0004799    thymidylate synthase activity    Catalysis of the reaction: 5,10-methylenetetrahydrofolate + dUMP = 7,8-dihydrofolate + thymidylate.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0006231    dTMP biosynthetic process    The chemical reactions and pathways resulting in the formation of dTMP, deoxyribosylthymine monophosphate (2'-deoxyribosylthymine 5'-phosphate).
    GO:0006545    glycine biosynthetic process    The chemical reactions and pathways resulting in the formation of glycine, aminoethanoic acid.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.
    GO:0009165    nucleotide biosynthetic process    The chemical reactions and pathways resulting in the formation of nucleotides, any nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the glycose moiety; may be mono-, di- or triphosphate; this definition includes cyclic-nucleotides (nucleoside cyclic phosphates).
    GO:0006730    one-carbon metabolic process    The chemical reactions and pathways involving the transfer of one-carbon units in various oxidation states.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0046654    tetrahydrofolate biosynthetic process    The chemical reactions and pathways resulting in the formation of tetrahydrofolate, 5,6,7,8-tetrahydrofolic acid, a folate derivative bearing additional hydrogens on the pterin group.

Chain A,B,C,D   (Q8T5T8_TRYCR | Q8T5T8)
molecular function
    GO:0004146    dihydrofolate reductase activity    Catalysis of the reaction: 5,6,7,8-tetrahydrofolate + NADP+ = 7,8-dihydrofolate + NADPH + H+.
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0004799    thymidylate synthase activity    Catalysis of the reaction: 5,10-methylenetetrahydrofolate + dUMP = 7,8-dihydrofolate + thymidylate.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0006231    dTMP biosynthetic process    The chemical reactions and pathways resulting in the formation of dTMP, deoxyribosylthymine monophosphate (2'-deoxyribosylthymine 5'-phosphate).
    GO:0006545    glycine biosynthetic process    The chemical reactions and pathways resulting in the formation of glycine, aminoethanoic acid.
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.
    GO:0009165    nucleotide biosynthetic process    The chemical reactions and pathways resulting in the formation of nucleotides, any nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the glycose moiety; may be mono-, di- or triphosphate; this definition includes cyclic-nucleotides (nucleoside cyclic phosphates).
    GO:0006730    one-carbon metabolic process    The chemical reactions and pathways involving the transfer of one-carbon units in various oxidation states.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0046654    tetrahydrofolate biosynthetic process    The chemical reactions and pathways resulting in the formation of tetrahydrofolate, 5,6,7,8-tetrahydrofolic acid, a folate derivative bearing additional hydrogens on the pterin group.

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Asymmetric Unit
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 Related Entries

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        DRTS_TRYCR | Q27793: 2h2q 3cl9 3clb 3inv 3irm 3irn 3iro
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(-) Related Entries Specified in the PDB File

2h2q STRUCTURE OF T. CRUZI DHFR-TS IN FOLATE-FREE STATE
3cl9 STRUCTURE OF T. CRUZI DHFR-TS IN COMPLEX WITH MTX
3clb STRUCTURE OF T. CRUZI DHFR-TS IN COMPLEX WITH TMQ (SAME PROTEIN STRUCTURE WITH TMQ BUT 'OLDER' REFINEMENT)