1PVN - JenaLib

Asym./Biol. Unit - manually (Jmol Viewer)

Asym./Biol. Unit (Jmol Viewer)

Asym./Biol. Unit - sites (Jmol Viewer)

Title :   THE CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN IMP DEHYDROGENASE CATALYTIC DOMAIN AND A TRANSITION STATE ANALOGUE MZP

Authors :   L. Gan, M. Seyedsayamdost, S. Shuto, A. Matsuda, G. A. Petsko, L. Hedstrom

Date :   27 Jun 03 (Deposition) - 22 Jul 03 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

Chains :   Asym./Biol. Unit : A,B,C,D

Keywords :   Transition State Analogue, Imp Dehydrogenase, Mizoribine 5'- Monophosphate, Distal Flap, General Base, Drug Selectivity, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   L. Gan, M. Seyedsayamdost, S. Shuto, A. Matsuda, G. A. Petsko, L. Hedstrom
The Immunosuppressive Agent Mizoribine Monophosphate Forms A Transition State Analogue Complex With Inosine Monophosphate Dehydrogenase
Biochemistry V. 42 857 2003
PubMed-ID: 12549902 | Reference-DOI: 10.1021/BI0271401
(for further references see the PDB file header)

Molecule 1 - INOSINE-5'-MONOPHOSPHATE DEHYDROGENASE
	Chains	:	A, B, C, D
	EC Number	:	1.1.1.205
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PKK233-3
	Expression System Strain	:	H712
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Fragment	:	CATALYTIC CORE DOMAIN
	Gene	:	IMPDH
	Organism Scientific	:	TRITRICHOMONAS FOETUS
	Organism Taxid	:	5724
	Synonym	:	IMP DEHYDROGENASE, IMPDH, IMPD

		1	2	3	4
Asymmetric/Biological Unit	:	A	B	C	D

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (3, 18)

No.	Name	Count	Type	Full Name
1	K	8	Ligand/Ion	POTASSIUM ION
2	MZP	4	Ligand/Ion	4-CARBAMOYL-1-BETA-D-RIBOFURANOSYL-IMIDAZOLIUM-5-OLATE-5'-PHOSPHATE
3	TRS	6	Ligand/Ion	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL

Asymmetric Unit (18, 18)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	GLU A:485 , GLY A:486 , GLY A:487 , GLY D:314 , GLY D:316 , CYS D:319	BINDING SITE FOR RESIDUE K A 981
02	AC2	SOFTWARE	GLY A:314 , GLY A:316 , CYS A:319 , GLU B:485 , GLY B:486 , GLY B:487	BINDING SITE FOR RESIDUE K B 982
03	AC3	SOFTWARE	GLY C:314 , GLY C:316 , CYS C:319 , GLU D:485 , GLY D:486 , GLY D:487	BINDING SITE FOR RESIDUE K D 983
04	AC4	SOFTWARE	ASP C:264 , PHE C:266 , GLY D:20 , SER D:22 , ASN D:460	BINDING SITE FOR RESIDUE K C 984
05	AC5	SOFTWARE	GLY B:314 , GLY B:316 , CYS B:319 , GLU C:485 , GLY C:486 , GLY C:487	BINDING SITE FOR RESIDUE K C 985
06	AC6	SOFTWARE	ASP B:264 , PHE B:266 , GLY C:20 , SER C:22 , ASN C:460	BINDING SITE FOR RESIDUE K B 986
07	AC7	SOFTWARE	ASP A:264 , PHE A:266 , GLY B:20 , SER B:22 , ASN B:460	BINDING SITE FOR RESIDUE K A 987
08	AC8	SOFTWARE	GLY A:20 , SER A:22 , ASN A:460 , ASP D:264 , PHE D:266	BINDING SITE FOR RESIDUE K A 988
09	AC9	SOFTWARE	ALA A:57 , MET A:59 , GLY A:316 , SER A:317 , ILE A:318 , CYS A:319 , ASP A:358 , GLY A:359 , GLY A:360 , MET A:379 , LEU A:380 , GLY A:381 , ARG A:382 , TYR A:405 , GLY A:407 , GLU A:408 , GLY A:409 , ARG A:418 , TYR A:419 , GLU A:431 , GLY A:432 , HOH A:1004 , HOH A:1010 , HOH A:1012 , HOH A:1028 , HOH A:1029 , HOH A:1053	BINDING SITE FOR RESIDUE MZP A 971
10	BC1	SOFTWARE	ALA B:57 , MET B:59 , GLY B:316 , SER B:317 , ILE B:318 , CYS B:319 , ASP B:358 , GLY B:359 , GLY B:360 , MET B:379 , LEU B:380 , GLY B:381 , ARG B:382 , TYR B:405 , GLY B:407 , GLU B:408 , GLY B:409 , ARG B:418 , TYR B:419 , GLU B:431 , GLY B:432 , HOH B:997 , HOH B:1000 , HOH B:1008 , HOH B:1023 , HOH B:1036 , HOH B:1041 , HOH B:1046 , HOH B:1124	BINDING SITE FOR RESIDUE MZP B 972
11	BC2	SOFTWARE	ALA C:57 , MET C:59 , GLY C:316 , SER C:317 , ILE C:318 , CYS C:319 , ASP C:358 , GLY C:359 , GLY C:360 , MET C:379 , LEU C:380 , GLY C:381 , ARG C:382 , TYR C:405 , GLY C:407 , GLU C:408 , GLY C:409 , ARG C:418 , TYR C:419 , GLU C:431 , GLY C:432 , HOH C:998 , HOH C:1005 , HOH C:1007 , HOH C:1014 , HOH C:1015 , HOH C:1039	BINDING SITE FOR RESIDUE MZP C 973
12	BC3	SOFTWARE	ALA D:57 , MET D:59 , GLY D:316 , SER D:317 , ILE D:318 , CYS D:319 , ASP D:358 , GLY D:359 , GLY D:360 , MET D:379 , LEU D:380 , GLY D:381 , ARG D:382 , TYR D:405 , GLY D:407 , GLU D:408 , GLY D:409 , ARG D:418 , TYR D:419 , GLU D:431 , GLY D:432 , HOH D:1001 , HOH D:1005 , HOH D:1017 , HOH D:1022 , HOH D:1037 , HOH D:1051	BINDING SITE FOR RESIDUE MZP D 974
13	BC4	SOFTWARE	ASP B:364 , TYR B:383 , ARG B:386 , ASN B:446 , ALA B:449 , SER B:450 , LYS B:453 , HOH B:1192	BINDING SITE FOR RESIDUE TRS B 991
14	BC5	SOFTWARE	ALA B:2 , VAL C:339 , ASN C:343 , HOH C:997 , HOH C:999 , HOH C:1051 , HOH C:1063	BINDING SITE FOR RESIDUE TRS C 992
15	BC6	SOFTWARE	VAL A:339 , ALA A:340 , ASN A:343 , HOH A:1001 , HOH A:1018 , HOH A:1040 , HOH A:1093 , HOH A:1097 , ALA D:2	BINDING SITE FOR RESIDUE TRS A 993
16	BC7	SOFTWARE	ALA A:2 , HOH A:1008 , VAL B:339 , ASN B:343 , HOH B:999 , HOH B:1075 , HOH B:1077 , HOH B:1176 , HOH B:1233	BINDING SITE FOR RESIDUE TRS B 994
17	BC8	SOFTWARE	ALA C:2 , HOH C:1040 , VAL D:339 , ASN D:343 , HOH D:998 , HOH D:1011 , HOH D:1085	BINDING SITE FOR RESIDUE TRS D 995
18	BC9	SOFTWARE	TYR A:15 , ILE A:336 , LEU A:477 , HOH A:1062 , HOH D:999 , HOH D:1069 , HOH D:1084	BINDING SITE FOR RESIDUE TRS A 996

(no "SS Bond" information available for 1PVN)

(no "Cis Peptide Bond" information available for 1PVN)

(no "SAP(SNP)/Variant" information available for 1PVN)

Asymmetric/Biological Unit (1, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	IMP_DH_GMP_RED	PS00487	IMP dehydrogenase / GMP reductase signature.	IMDH_TRIFO	309-321	4	A:309-321 B:309-321 C:309-321 D:309-321

(no "Exon" information available for 1PVN)

Asymmetric/Biological 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:362
 aligned with IMDH_TRIFO | P50097 from UniProtKB/Swiss-Prot  Length:503

    Alignment length:493
                                    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   
           IMDH_TRIFO     2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNFKAGFVVSDSNVKPDQTFADVLAISQRTTHNTVAVTDDGTPHGVLLGLVTQRDYPIDLTQTETKVSDMMTPFSKLVTAHQDTKLSEANKIIWEKKLNALPIIDDDQHLRYIVFRKDYDRSQVCHNELVDSQKRYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
               SCOP domains d1pvna1 A:2-99,A:231-494 Inosine monophosphate dehydrogenase (IMPDH)                              -----------------------------------------------------------------------------------------------------------------------------------d1pvna1 A:2-99,A:231-494 Inosine monophosphate dehydrogenase (IMPDH)                                                                                                                                                                                                     SCOP domains
               CATH domains 1pvnA00 A:2-494 Aldolase class I                                                                                                                                                                                                                                                                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee......hhh.eee.........hhhhh...ee...ee.......ee...eee.......hhhhhhhhhhh..eeee....hhhhhhhhhhhhhh.-----------------------------------------------------------------------------------------------------------------------------------....eeee...hhhhhhhhhhhhh..eeee......hhhhhhhhhhhhhhhhhhh.eeeeee.hhhhhhhhhhhh..eeee........hhhhhh....hhhhhhhhhhhhhhhhhhhhhee..eeee....hhhhhhhhhhh...eeeehhhhhh.......eeee..eeeeeee........hhhhhh.............eeeee...hhhhhhhhhhhhhhhhhhhh...hhhhhhhhheeee.hhhhhhhhh....ee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IMP_DH_GMP_RE----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1pvn A   2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNF-----------------------------------------------------------------------------------------------------------------------------------RYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
                                    11        21        31        41        51        61        71        81        91       | -         -         -         -         -         -         -         -         -         -         -         -         -       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   
                                                                                                                            99                                                                                                                                 231

Chain B from PDB  Type:PROTEIN  Length:362
 aligned with IMDH_TRIFO | P50097 from UniProtKB/Swiss-Prot  Length:503

    Alignment length:493
                                    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   
           IMDH_TRIFO     2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNFKAGFVVSDSNVKPDQTFADVLAISQRTTHNTVAVTDDGTPHGVLLGLVTQRDYPIDLTQTETKVSDMMTPFSKLVTAHQDTKLSEANKIIWEKKLNALPIIDDDQHLRYIVFRKDYDRSQVCHNELVDSQKRYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
               SCOP domains d1pvnb1 B:2-99,B:231-494 Inosine monophosphate dehydrogenase (IMPDH)                              -----------------------------------------------------------------------------------------------------------------------------------d1pvnb1 B:2-99,B:231-494 Inosine monophosphate dehydrogenase (IMPDH)                                                                                                                                                                                                     SCOP domains
               CATH domains 1pvnB00 B:2-494 Aldolase class I                                                                                                                                                                                                                                                                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee......hhh.eee.........hhhhh...ee...ee.......ee...eee.......hhhhhhhhhhh..eeee....hhhhhhhhhhhhhh.-----------------------------------------------------------------------------------------------------------------------------------....eeee...hhhhhhhhhhhhh..eeee......hhhhhhhhhhhhhhhhhhh.eeeeee.hhhhhhhhhhhh..eeee........hhhhhh....hhhhhhhhhhhhhhhhhhhhhee..eeee....hhhhhhhhhhh...eeeehhhhhh.......eeee..eeeeeee........hhhhhh.............eeeee...hhhhhhhhhhhhhhhhhhhh...hhhhhhhhheeee.hhhhhhhhh....ee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IMP_DH_GMP_RE----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1pvn B   2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNF-----------------------------------------------------------------------------------------------------------------------------------RYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
                                    11        21        31        41        51        61        71        81        91       | -         -         -         -         -         -         -         -         -         -         -         -         -       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   
                                                                                                                            99                                                                                                                                 231

Chain C from PDB  Type:PROTEIN  Length:362
 aligned with IMDH_TRIFO | P50097 from UniProtKB/Swiss-Prot  Length:503

    Alignment length:493
                                    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   
           IMDH_TRIFO     2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNFKAGFVVSDSNVKPDQTFADVLAISQRTTHNTVAVTDDGTPHGVLLGLVTQRDYPIDLTQTETKVSDMMTPFSKLVTAHQDTKLSEANKIIWEKKLNALPIIDDDQHLRYIVFRKDYDRSQVCHNELVDSQKRYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
               SCOP domains d1pvnc1 C:2-99,C:231-494 Inosine monophosphate dehydrogenase (IMPDH)                              -----------------------------------------------------------------------------------------------------------------------------------d1pvnc1 C:2-99,C:231-494 Inosine monophosphate dehydrogenase (IMPDH)                                                                                                                                                                                                     SCOP domains
               CATH domains 1pvnC00 C:2-494 Aldolase class I                                                                                                                                                                                                                                                                                                                                                                                                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee......hhh.eee.........hhhhh...ee...ee.......ee...eee.......hhhhhhhhhhh..eeee....hhhhhhhhhhhhhh.-----------------------------------------------------------------------------------------------------------------------------------....eeee...hhhhhhhhhhhhh..eeee......hhhhhhhhhhhhhhhhhhh.eeeeee.hhhhhhhhhhhh..eeee........hhhhhh....hhhhhhhhhhhhhhhhhhhhhee..eeee....hhhhhhhhhhh...eeeehhhhhh.......eeee..eeeeeee........hhhhhh.............eeeee...hhhhhhhhhhhhhhhhhhhh...hhhhhhhhheeee.hhhhhhhhh....ee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IMP_DH_GMP_RE----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1pvn C   2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNF-----------------------------------------------------------------------------------------------------------------------------------RYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
                                    11        21        31        41        51        61        71        81        91       | -         -         -         -         -         -         -         -         -         -         -         -         -       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   
                                                                                                                            99                                                                                                                                 231

Chain D from PDB  Type:PROTEIN  Length:362
 aligned with IMDH_TRIFO | P50097 from UniProtKB/Swiss-Prot  Length:503

    Alignment length:493
                                    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   
           IMDH_TRIFO     2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNFKAGFVVSDSNVKPDQTFADVLAISQRTTHNTVAVTDDGTPHGVLLGLVTQRDYPIDLTQTETKVSDMMTPFSKLVTAHQDTKLSEANKIIWEKKLNALPIIDDDQHLRYIVFRKDYDRSQVCHNELVDSQKRYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
               SCOP domains d1pvnd1 D:2-99,D:231-494 Inosine monophosphate dehydrogenase (IMPDH)                              -----------------------------------------------------------------------------------------------------------------------------------d1pvnd1 D:2-99,D:231-494 Inosine monophosphate dehydrogenase (IMPDH)                                                                                                                                                                                                     SCOP domains
               CATH domains 1pvnD00 D:2-494 Aldolase class I                                                                                                                                                                                                                                                                                                                                                                                                                                                                              CATH domains
           Pfam domains (1) ------IMPDH-1pvnD01 D:8-489                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ----- Pfam domains (1)
           Pfam domains (2) ------IMPDH-1pvnD02 D:8-489                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ----- Pfam domains (2)
           Pfam domains (3) ------IMPDH-1pvnD03 D:8-489                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ----- Pfam domains (3)
           Pfam domains (4) ------IMPDH-1pvnD04 D:8-489                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ----- Pfam domains (4)
         Sec.struct. author .ee......hhh.eee.........hhhhh...ee...ee.......ee...eee.......hhhhhhhhhhh..eeee....hhhhhhhhhhhhhh.-----------------------------------------------------------------------------------------------------------------------------------....eeee...hhhhhhhhhhhhh..eeee......hhhhhhhhhhhhhhhhhhh.eeeeee.hhhhhhhhhhhh..eeee........hhhhhh....hhhhhhhhhhhhhhhhhhhhhee..eeee....hhhhhhhhhhh...eeeehhhhhh.......eeee..eeeeeee........hhhhhh.............eeeee...hhhhhhhhhhhhhhhhhhhh...hhhhhhhhheeee.hhhhhhhhh....ee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IMP_DH_GMP_RE----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1pvn D   2 AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLKIPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNF-----------------------------------------------------------------------------------------------------------------------------------RYLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIREKYGDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICITREQKGIGRGQATAVIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYFARFEESPTRKVTINGSVMKEYWGEGSSRARNWQRYDLGGKQKLSFEEGVDSYVPYAGKLKDNVEASLNKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVEGGAHDVIVK 494
                                    11        21        31        41        51        61        71        81        91       | -         -         -         -         -         -         -         -         -         -         -         -         -       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   
                                                                                                                            99                                                                                                                                 231

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 '\|'

Asymmetric/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a/b) (23833)

Fold: TIM beta/alpha-barrel (3956)

Superfamily: Inosine monophosphate dehydrogenase (IMPDH) (29)

Family: Inosine monophosphate dehydrogenase (IMPDH) (18)

Protein domain: Inosine monophosphate dehydrogenase (IMPDH) (18)

Tritrichomonas foetus [TaxId: 5724] (9)

1a	d1pvna1	A:2-99,A:231-494
1b	d1pvnb1	B:2-99,B:231-494
1c	d1pvnc1	C:2-99,C:231-494
1d	d1pvnd1	D:2-99,D:231-494

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Alpha-Beta Barrel (2994)

Topology: TIM Barrel (2806)

Homologous Superfamily: Aldolase class I (887)

Tritrichomonas foetus. Organism_taxid: 5724. (8)

1a	1pvnA00	A:2-494
1b	1pvnB00	B:2-494
1c	1pvnC00	C:2-494
1d	1pvnD00	D:2-494

Asymmetric/Biological Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: TIM_barrel (694)

Family: IMPDH (16)

Tritrichomonas foetus (Trichomonas foetus) (7)

1a	IMPDH-1pvnD01	D:8-489
1b	IMPDH-1pvnD02	D:8-489
1c	IMPDH-1pvnD03	D:8-489
1d	IMPDH-1pvnD04	D:8-489

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B,C,D (IMDH_TRIFO | P50097)

molecular function
	GO:0003938	IMP dehydrogenase activity	Catalysis of the reaction: inosine 5'-phosphate + NAD+ + H2O = xanthosine 5'-phosphate + NADH + H+.
	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:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	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.
biological process
	GO:0006177	GMP biosynthetic process	The chemical reactions and pathways resulting in the formation of GMP, guanosine monophosphate.
	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:0006164	purine nucleotide biosynthetic process	The chemical reactions and pathways resulting in the formation of a purine nucleotide, a compound consisting of nucleoside (a purine base linked to a deoxyribose or ribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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	1.1.1.205
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	IMDH_TRIFO \| P50097	:	1ak5 1lrt 1me7 1me8 1me9 1meh 1mei 1mew

1lrt	TRITRICHOMONAS FOETUS IMP DEHYDROGENASE IN COMPLEX WITH IMP AND BETA-METHYLENE-TAD

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 18)

Sites (18, 18)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

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PROSITE Motifs (1, 4)

Exons (0, 0)

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SCOP Domains (1, 4)

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Pfam Domains (1, 4)

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Entries Sharing at Least One Protein Chain (UniProt ID)

Related Entries Specified in the PDB File