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(-) Description

Title :  ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE COMPLEXED WITH 2 GMP, 1 MG PER SUBUNIT
 
Authors :  J. M. Krahn, J. L. Smith
Date :  15 Jul 97  (Deposition) - 15 Apr 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Biol. Unit 3:  A,B,C,D  (1x)
Biol. Unit 4:  A (1x),B (1x),C (1x),D (1x)
Keywords :  Transferase, Glutamine Amidotransferase, Purine Biosynthesis, Glycosyltransferase, Gmp, Guanine 5'- Monophosphate (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. M. Krahn, J. H. Kim, M. R. Burns, R. J. Parry, H. Zalkin, J. L. Smith
Coupled Formation Of An Amidotransferase Interdomain Ammonia Channel And A Phosphoribosyltransferase Active Site.
Biochemistry V. 36 11061 1997
PubMed-ID: 9333323  |  Reference-DOI: 10.1021/BI9714114
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE AMIDOTRANSFERASE
    Chains: A, B, C, D
    EC Number: 2.4.2.14
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PT7F1
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 469008
    Gene: PURF
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): AB  
Biological Unit 2 (1x):   CD
Biological Unit 3 (1x): ABCD
Biological Unit 4 (1x): A (1x)B (1x)C (1x)D (1x)

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 12)

Asymmetric Unit (2, 12)
No.NameCountTypeFull Name
15GP8Ligand/IonGUANOSINE-5'-MONOPHOSPHATE
2MG4Ligand/IonMAGNESIUM ION
Biological Unit 1 (1, 4)
No.NameCountTypeFull Name
15GP4Ligand/IonGUANOSINE-5'-MONOPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 2 (1, 4)
No.NameCountTypeFull Name
15GP4Ligand/IonGUANOSINE-5'-MONOPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 3 (1, 8)
No.NameCountTypeFull Name
15GP8Ligand/IonGUANOSINE-5'-MONOPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 4 (1, 4)
No.NameCountTypeFull Name
15GP4Ligand/IonGUANOSINE-5'-MONOPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (20, 20)

Asymmetric Unit (20, 20)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASP A:366 , ASP A:367 , 5GP A:505 , HOH A:508 , HOH A:509BINDING SITE FOR RESIDUE MG A 507
02AC2SOFTWAREASP B:366 , ASP B:367 , 5GP B:505 , HOH B:508 , HOH B:509BINDING SITE FOR RESIDUE MG B 507
03AC3SOFTWAREASP C:366 , ASP C:367 , 5GP C:505 , HOH C:508 , HOH C:509BINDING SITE FOR RESIDUE MG C 507
04AC4SOFTWAREASP D:366 , ASP D:367 , 5GP D:505 , HOH D:508 , HOH D:509BINDING SITE FOR RESIDUE MG D 507
05AC5SOFTWARETYR A:74 , PHE A:254 , TYR A:258 , ASP A:366 , ASP A:367 , SER A:368 , VAL A:370 , ARG A:371 , GLY A:372 , THR A:373 , THR A:374 , 5GP A:506 , MG A:507 , HOH A:509BINDING SITE FOR RESIDUE 5GP A 505
06AC6SOFTWAREHIS A:25 , TYR A:258 , ALA A:260 , ARG A:261 , PRO A:262 , ARG A:275 , PRO A:302 , GLU A:303 , THR A:304 , LYS A:326 , 5GP A:505 , HOH A:508 , VAL B:325 , LYS B:326 , ARG B:328BINDING SITE FOR RESIDUE 5GP A 506
07AC7SOFTWARETYR B:74 , PHE B:254 , TYR B:258 , ASP B:366 , ASP B:367 , SER B:368 , VAL B:370 , ARG B:371 , GLY B:372 , THR B:373 , THR B:374 , SER B:375 , 5GP B:506 , MG B:507 , HOH B:508 , HOH B:509BINDING SITE FOR RESIDUE 5GP B 505
08AC8SOFTWAREVAL A:325 , LYS A:326 , ARG A:328 , HIS B:25 , TYR B:258 , ALA B:260 , ARG B:261 , PRO B:262 , ARG B:275 , PRO B:302 , GLU B:303 , THR B:304 , LYS B:326 , 5GP B:505 , HOH B:508BINDING SITE FOR RESIDUE 5GP B 506
09AC9SOFTWARETYR C:74 , PHE C:254 , TYR C:258 , ASP C:366 , ASP C:367 , SER C:368 , VAL C:370 , ARG C:371 , GLY C:372 , THR C:373 , THR C:374 , 5GP C:506 , MG C:507 , HOH C:508 , HOH C:509BINDING SITE FOR RESIDUE 5GP C 505
10BC1SOFTWAREHIS C:25 , TYR C:258 , ALA C:260 , ARG C:261 , PRO C:262 , ARG C:275 , PRO C:302 , GLU C:303 , THR C:304 , LYS C:326 , 5GP C:505 , HOH C:508 , HOH C:520 , VAL D:325 , LYS D:326 , ARG D:328BINDING SITE FOR RESIDUE 5GP C 506
11BC2SOFTWARETYR D:74 , PHE D:254 , TYR D:258 , ASP D:366 , ASP D:367 , SER D:368 , VAL D:370 , ARG D:371 , GLY D:372 , THR D:373 , THR D:374 , 5GP D:506 , MG D:507 , HOH D:508 , HOH D:509BINDING SITE FOR RESIDUE 5GP D 505
12BC3SOFTWAREVAL C:325 , LYS C:326 , ARG C:328 , HIS D:25 , TYR D:258 , ALA D:260 , ARG D:261 , PRO D:262 , ARG D:275 , PRO D:302 , GLU D:303 , THR D:304 , LYS D:326 , ASP D:367 , 5GP D:505 , HOH D:508 , HOH D:510BINDING SITE FOR RESIDUE 5GP D 506
13NTAUNKNOWNCYS A:1NTN AMIDOTRANSFERASE ACTIVE SITE.
14NTBUNKNOWNCYS B:1NTN AMIDOTRANSFERASE ACTIVE SITE.
15NTCUNKNOWNCYS C:1NTN AMIDOTRANSFERASE ACTIVE SITE.
16NTDUNKNOWNCYS D:1NTN AMIDOTRANSFERASE ACTIVE SITE.
17PRAUNKNOWNASP B:366 , ASP B:367PHOSPHORIBOSYL TRANSFERASE ACTIVE SITE. THE ACTIVE SITE IN THIS STRUCTURE CONTAINS THE FEEDBACK INHIBITOR GMP IN THE CATALYTIC SITE. A SECOND PHOSPHATE GROUP, FROM THE PROXIMAL ALLOSTERIC REGULATORY SITE, OCCUPIES THE PYROPHOSPHATE BINDING REGION OF THE PRTASE ACTIVE SITE. ASP 366 AND ASP 367 FUNCTION AS METAL LIGANDS IN THE INHIBITED STATE OF THIS ENZYME, AND ARE THE HALLMARK OF PRTASE ENZYMES. MG++ IS PRESENT IN THIS STRUCTURE, AND IS LIGANDED TO ASP 366, ASP 367, THE TWO FURANOSE HYDROXYLS OF GMP, AND TWO WATERS.
18PRBUNKNOWNASP C:366 , ASP C:367PHOSPHORIBOSYL TRANSFERASE ACTIVE SITE. THE ACTIVE SITE IN THIS STRUCTURE CONTAINS THE FEEDBACK INHIBITOR GMP IN THE CATALYTIC SITE. A SECOND PHOSPHATE GROUP, FROM THE PROXIMAL ALLOSTERIC REGULATORY SITE, OCCUPIES THE PYROPHOSPHATE BINDING REGION OF THE PRTASE ACTIVE SITE. ASP 366 AND ASP 367 FUNCTION AS METAL LIGANDS IN THE INHIBITED STATE OF THIS ENZYME, AND ARE THE HALLMARK OF PRTASE ENZYMES. MG++ IS PRESENT IN THIS STRUCTURE, AND IS LIGANDED TO ASP 366, ASP 367, THE TWO FURANOSE HYDROXYLS OF GMP, AND TWO WATERS.
19PRCUNKNOWNASP D:366 , ASP D:367PHOSPHORIBOSYL TRANSFERASE ACTIVE SITE. THE ACTIVE SITE IN THIS STRUCTURE CONTAINS THE FEEDBACK INHIBITOR GMP IN THE CATALYTIC SITE. A SECOND PHOSPHATE GROUP, FROM THE PROXIMAL ALLOSTERIC REGULATORY SITE, OCCUPIES THE PYROPHOSPHATE BINDING REGION OF THE PRTASE ACTIVE SITE. ASP 366 AND ASP 367 FUNCTION AS METAL LIGANDS IN THE INHIBITED STATE OF THIS ENZYME, AND ARE THE HALLMARK OF PRTASE ENZYMES. MG++ IS PRESENT IN THIS STRUCTURE, AND IS LIGANDED TO ASP 366, ASP 367, THE TWO FURANOSE HYDROXYLS OF GMP, AND TWO WATERS.
20PRTUNKNOWNASP A:366 , ASP A:367PHOSPHORIBOSYL TRANSFERASE ACTIVE SITE. THE ACTIVE SITE IN THIS STRUCTURE CONTAINS THE FEEDBACK INHIBITOR GMP IN THE CATALYTIC SITE. A SECOND PHOSPHATE GROUP, FROM THE PROXIMAL ALLOSTERIC REGULATORY SITE, OCCUPIES THE PYROPHOSPHATE BINDING REGION OF THE PRTASE ACTIVE SITE. ASP 366 AND ASP 367 FUNCTION AS METAL LIGANDS IN THE INHIBITED STATE OF THIS ENZYME, AND ARE THE HALLMARK OF PRTASE ENZYMES. MG++ IS PRESENT IN THIS STRUCTURE, AND IS LIGANDED TO ASP 366, ASP 367, THE TWO FURANOSE HYDROXYLS OF GMP, AND TWO WATERS.

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (16, 16)

Asymmetric Unit
No.Residues
1Gln A:86 -Pro A:87
2Ser A:92 -Pro A:93
3Tyr A:145 -Pro A:146
4Pro A:302 -Glu A:303
5Gln B:86 -Pro B:87
6Ser B:92 -Pro B:93
7Tyr B:145 -Pro B:146
8Pro B:302 -Glu B:303
9Gln C:86 -Pro C:87
10Ser C:92 -Pro C:93
11Tyr C:145 -Pro C:146
12Pro C:302 -Glu C:303
13Gln D:86 -Pro D:87
14Ser D:92 -Pro D:93
15Tyr D:145 -Pro D:146
16Pro D:302 -Glu D:303

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 8)

Asymmetric Unit (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GATASE_TYPE_2PS51278 Glutamine amidotransferase type 2 domain profile.PUR1_ECOLI2-236
 
 
 		  4A:1-235
B:1-235
C:1-235
D:1-235
PUR1_SHIFL2-236
 
 
 		  4A:1-235
B:1-235
C:1-235
D:1-235
2PUR_PYR_PR_TRANSFERPS00103 Purine/pyrimidine phosphoribosyl transferases signature.PUR1_ECOLI363-375
 
 
 		  4A:362-374
B:362-374
C:362-374
D:362-374
PUR1_SHIFL363-375
 
 
 		  4A:362-374
B:362-374
C:362-374
D:362-374
Biological Unit 1 (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GATASE_TYPE_2PS51278 Glutamine amidotransferase type 2 domain profile.PUR1_ECOLI2-236
 
 
 		  2A:1-235
B:1-235
-
-
PUR1_SHIFL2-236
 
 
 		  2A:1-235
B:1-235
-
-
2PUR_PYR_PR_TRANSFERPS00103 Purine/pyrimidine phosphoribosyl transferases signature.PUR1_ECOLI363-375
 
 
 		  2A:362-374
B:362-374
-
-
PUR1_SHIFL363-375
 
 
 		  2A:362-374
B:362-374
-
-
Biological Unit 2 (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GATASE_TYPE_2PS51278 Glutamine amidotransferase type 2 domain profile.PUR1_ECOLI2-236
 
 
 		  2-
-
C:1-235
D:1-235
PUR1_SHIFL2-236
 
 
 		  2-
-
C:1-235
D:1-235
2PUR_PYR_PR_TRANSFERPS00103 Purine/pyrimidine phosphoribosyl transferases signature.PUR1_ECOLI363-375
 
 
 		  2-
-
C:362-374
D:362-374
PUR1_SHIFL363-375
 
 
 		  2-
-
C:362-374
D:362-374
Biological Unit 3 (2, 16)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GATASE_TYPE_2PS51278 Glutamine amidotransferase type 2 domain profile.PUR1_ECOLI2-236
 
 
 		  4A:1-235
B:1-235
C:1-235
D:1-235
PUR1_SHIFL2-236
 
 
 		  4A:1-235
B:1-235
C:1-235
D:1-235
2PUR_PYR_PR_TRANSFERPS00103 Purine/pyrimidine phosphoribosyl transferases signature.PUR1_ECOLI363-375
 
 
 		  4A:362-374
B:362-374
C:362-374
D:362-374
PUR1_SHIFL363-375
 
 
 		  4A:362-374
B:362-374
C:362-374
D:362-374
Biological Unit 4 (2, 16)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GATASE_TYPE_2PS51278 Glutamine amidotransferase type 2 domain profile.PUR1_ECOLI2-236
 
 
 		  4A:1-235
B:1-235
C:1-235
D:1-235
PUR1_SHIFL2-236
 
 
 		  4A:1-235
B:1-235
C:1-235
D:1-235
2PUR_PYR_PR_TRANSFERPS00103 Purine/pyrimidine phosphoribosyl transferases signature.PUR1_ECOLI363-375
 
 
 		  4A:362-374
B:362-374
C:362-374
D:362-374
PUR1_SHIFL363-375
 
 
 		  4A:362-374
B:362-374
C:362-374
D:362-374

(-) Exons   (0, 0)

(no "Exon" information available for 1ECB)

(-) 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:475
 aligned with PUR1_ECOLI | P0AG16 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:481
                                    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 
           PUR1_ECOLI     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 482
               SCOP domains d1ecba2 A:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecba1 A:250-481 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                     SCOP domains
               CATH domains 1ecbA01 A:1-275,A:401-411,A:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbA02 A:276-326,A:349-400,A:412-445              ----------------------1ecbA02 A:276-326,A:349-400,A:412-445               1ecbA01    1ecbA02                           1ecbA01 A:1-275,A:401-411,A:446-480- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeee.....eeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh........hhh..hhhhhhhhhhhhhhhhhhhh......eeee...hhhhhhhhhhhhh.......eee...........------..hhhheee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee...........................hhhhhhhh...eeee..hhhhhhhhhhh.........hhhh.....hhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE GATASE_TYPE_2  PDB: A:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb A   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMP------KSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 481
                                    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      |  -   |   350       360       370       380       390       400       410       420       430       440       450       460       470       480 
                                                                                                                                                                                                                                                                                                                                                                          337    344                                                                                                                                         


Chain A from PDB  Type:PROTEIN  Length:475
 aligned with PUR1_SHIFL | P0AG17 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:481
                                    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 
           PUR1_SHIFL     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 482
               SCOP domains d1ecba2 A:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecba1 A:250-481 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                     SCOP domains
               CATH domains 1ecbA01 A:1-275,A:401-411,A:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbA02 A:276-326,A:349-400,A:412-445              ----------------------1ecbA02 A:276-326,A:349-400,A:412-445               1ecbA01    1ecbA02                           1ecbA01 A:1-275,A:401-411,A:446-480- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeee.....eeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh........hhh..hhhhhhhhhhhhhhhhhhhh......eeee...hhhhhhhhhhhhh.......eee...........------..hhhheee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee...........................hhhhhhhh...eeee..hhhhhhhhhhh.........hhhh.....hhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) GATASE_TYPE_2  PDB: A:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR----------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb A   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMP------KSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 481
                                    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      |  -   |   350       360       370       380       390       400       410       420       430       440       450       460       470       480 
                                                                                                                                                                                                                                                                                                                                                                          337    344                                                                                                                                         


Chain B from PDB  Type:PROTEIN  Length:470
 aligned with PUR1_ECOLI | P0AG16 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:478
                                    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        
           PUR1_ECOLI     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFL 479
               SCOP domains d1ecbb2 B:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecbb1 B:250-478 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                  SCOP domains
               CATH domains 1ecbB01 B:1-275,B:401-411,B:446-477 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbB02 B:276-326,B:349-400,B:412-445              ----------------------1ecbB02 B:276-326,B:349-400,B:412-445               1ecbB01    1ecbB02                           1ecbB01                         - CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeeeee..eeeeeee..hhhhhhh..eeeee....eeeeee....eeeee...........hhhh........hhh..hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee..........--------.....eee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee...........................hhhhhhh....eeee..hhhhhhhhhhh.........hhhh.........hhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE GATASE_TYPE_2  PDB: B:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR-------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb B   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIM--------SVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFL 478
                                    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     |   -    |  350       360       370       380       390       400       410       420       430       440       450       460       470        
                                                                                                                                                                                                                                                                                                                                                                         336      345                                                                                                                                     


Chain B from PDB  Type:PROTEIN  Length:470
 aligned with PUR1_SHIFL | P0AG17 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:478
                                    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        
           PUR1_SHIFL     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFL 479
               SCOP domains d1ecbb2 B:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecbb1 B:250-478 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                  SCOP domains
               CATH domains 1ecbB01 B:1-275,B:401-411,B:446-477 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbB02 B:276-326,B:349-400,B:412-445              ----------------------1ecbB02 B:276-326,B:349-400,B:412-445               1ecbB01    1ecbB02                           1ecbB01                         - CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeeeee..eeeeeee..hhhhhhh..eeeee....eeeeee....eeeee...........hhhh........hhh..hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee..........--------.....eee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee...........................hhhhhhh....eeee..hhhhhhhhhhh.........hhhh.........hhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) GATASE_TYPE_2  PDB: B:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR-------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb B   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIM--------SVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFL 478
                                    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     |   -    |  350       360       370       380       390       400       410       420       430       440       450       460       470        
                                                                                                                                                                                                                                                                                                                                                                         336      345                                                                                                                                     


Chain C from PDB  Type:PROTEIN  Length:482
 aligned with PUR1_ECOLI | P0AG16 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:482
                                    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  
           PUR1_ECOLI     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLR 483
               SCOP domains d1ecbc2 C:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecbc1 C:250-482 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                      SCOP domains
               CATH domains 1ecbC01 C:1-275,C:401-411,C:446-482 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbC02 C:276-326,C:349-400,C:412-445              ----------------------1ecbC02 C:276-326,C:349-400,C:412-445               1ecbC01    1ecbC02                           1ecbC01 C:1-275,C:401-411,C:446-482   CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeeeee..eeeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee...................hhh.eee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee.................hhh.......hhhhhhhh...eeee..hhhhhhhhhhh.........hhhh.....hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE GATASE_TYPE_2  PDB: C:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb C   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLR 482
                                    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  


Chain C from PDB  Type:PROTEIN  Length:482
 aligned with PUR1_SHIFL | P0AG17 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:482
                                    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  
           PUR1_SHIFL     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLR 483
               SCOP domains d1ecbc2 C:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecbc1 C:250-482 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                      SCOP domains
               CATH domains 1ecbC01 C:1-275,C:401-411,C:446-482 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbC02 C:276-326,C:349-400,C:412-445              ----------------------1ecbC02 C:276-326,C:349-400,C:412-445               1ecbC01    1ecbC02                           1ecbC01 C:1-275,C:401-411,C:446-482   CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeeeee..eeeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee...................hhh.eee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee.................hhh.......hhhhhhhh...eeee..hhhhhhhhhhh.........hhhh.....hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) GATASE_TYPE_2  PDB: C:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb C   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLR 482
                                    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  


Chain D from PDB  Type:PROTEIN  Length:473
 aligned with PUR1_ECOLI | P0AG16 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:481
                                    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 
           PUR1_ECOLI     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 482
               SCOP domains d1ecbd2 D:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecbd1 D:250-481 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                     SCOP domains
               CATH domains 1ecbD01 D:1-275,D:401-411,D:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbD02 D:276-326,D:349-400,D:412-445              ----------------------1ecbD02 D:276-326,D:349-400,D:412-445               1ecbD01    1ecbD02                           1ecbD01 D:1-275,D:401-411,D:446-480- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeee.....eeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee..........--------.....eee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee.................hhh.......hhhhhhh....eeee..hhhhhhhhhhh.........hhhh.........hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE GATASE_TYPE_2  PDB: D:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb D   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIM--------SVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 481
                                    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     |   -    |  350       360       370       380       390       400       410       420       430       440       450       460       470       480 
                                                                                                                                                                                                                                                                                                                                                                         336      345                                                                                                                                        


Chain D from PDB  Type:PROTEIN  Length:473
 aligned with PUR1_SHIFL | P0AG17 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:481
                                    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 
           PUR1_SHIFL     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 482
               SCOP domains d1ecbd2 D:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecbd1 D:250-481 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                     SCOP domains
               CATH domains 1ecbD01 D:1-275,D:401-411,D:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecbD02 D:276-326,D:349-400,D:412-445              ----------------------1ecbD02 D:276-326,D:349-400,D:412-445               1ecbD01    1ecbD02                           1ecbD01 D:1-275,D:401-411,D:446-480- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhhhhh...eeeeeee.....eeeeeee..hhhh..hhhhhh....eeeeeee..............eee.....eeeeeeeee..hhhhhhhhhhhh........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh..eeeeeeeee...eeeeee........eeeeee.....eeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee..........--------.....eee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee.................hhh.......hhhhhhh....eeee..hhhhhhhhhhh.........hhhh.........hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) GATASE_TYPE_2  PDB: D:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR----------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecb D   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIM--------SVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTL 481
                                    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     |   -    |  350       360       370       380       390       400       410       420       430       440       450       460       470       480 
                                                                                                                                                                                                                                                                                                                                                                         336      345
   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  (2, 8)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (2, 8)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Architecture: 3-Layer(aba) Sandwich (12045)
(-)
Topology: Rossmann fold (7312)
(-)
Homologous Superfamily: [code=3.40.50.2020, no name defined] (117)
(-)
Escherichia coli. Organism_taxid: 562. (5)
1a1ecbA02A:276-326,A:349-400,A:412-445
1b1ecbB02B:276-326,B:349-400,B:412-445
1c1ecbC02C:276-326,C:349-400,C:412-445
1d1ecbD02D:276-326,D:349-400,D:412-445
(-)
Architecture: 4-Layer Sandwich (459)
(-)
Topology: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 (128)
(-)
Homologous Superfamily: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 (124)
(-)
Escherichia coli. Organism_taxid: 562. (21)
2a1ecbB01B:1-275,B:401-411,B:446-477
2b1ecbA01A:1-275,A:401-411,A:446-480
2c1ecbD01D:1-275,D:401-411,D:446-480
2d1ecbC01C:1-275,C:401-411,C:446-482

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1ECB)

(-) Gene Ontology  (13, 23)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (PUR1_ECOLI | P0AG16)
molecular function
    GO:0004044    amidophosphoribosyltransferase activity    Catalysis of the reaction: 5-phospho-beta-D-ribosylamine + L-glutamate + diphosphate = 5-phospho-alpha-D-ribose 1-diphosphate + L-glutamine + H(2)O.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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.
    GO:0016757    transferase activity, transferring glycosyl groups    Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor).
biological process
    GO:0006189    'de novo' IMP biosynthetic process    The chemical reactions and pathways resulting in the formation of IMP, inosine monophosphate, by the stepwise assembly of a purine ring on ribose 5-phosphate.
    GO:0006541    glutamine metabolic process    The chemical reactions and pathways involving glutamine, 2-amino-4-carbamoylbutanoic acid.
    GO:0009116    nucleoside metabolic process    The chemical reactions and pathways involving a nucleoside, a nucleobase linked to either beta-D-ribofuranose (a ribonucleoside) or 2-deoxy-beta-D-ribofuranose, (a deoxyribonucleoside), e.g. adenosine, guanosine, inosine, cytidine, uridine and deoxyadenosine, deoxyguanosine, deoxycytidine and thymidine (= deoxythymidine).
    GO:0009113    purine nucleobase biosynthetic process    The chemical reactions and pathways resulting in the formation of purine nucleobases, one of the two classes of nitrogen-containing ring compounds found in DNA and RNA, which include adenine and guanine.
    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.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

Chain A,B,C,D   (PUR1_SHIFL | P0AG17)
molecular function
    GO:0004044    amidophosphoribosyltransferase activity    Catalysis of the reaction: 5-phospho-beta-D-ribosylamine + L-glutamate + diphosphate = 5-phospho-alpha-D-ribose 1-diphosphate + L-glutamine + H(2)O.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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.
    GO:0016757    transferase activity, transferring glycosyl groups    Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor).
biological process
    GO:0006189    'de novo' IMP biosynthetic process    The chemical reactions and pathways resulting in the formation of IMP, inosine monophosphate, by the stepwise assembly of a purine ring on ribose 5-phosphate.
    GO:0006541    glutamine metabolic process    The chemical reactions and pathways involving glutamine, 2-amino-4-carbamoylbutanoic acid.
    GO:0009116    nucleoside metabolic process    The chemical reactions and pathways involving a nucleoside, a nucleobase linked to either beta-D-ribofuranose (a ribonucleoside) or 2-deoxy-beta-D-ribofuranose, (a deoxyribonucleoside), e.g. adenosine, guanosine, inosine, cytidine, uridine and deoxyadenosine, deoxyguanosine, deoxycytidine and thymidine (= deoxythymidine).
    GO:0009113    purine nucleobase biosynthetic process    The chemical reactions and pathways resulting in the formation of purine nucleobases, one of the two classes of nitrogen-containing ring compounds found in DNA and RNA, which include adenine and guanine.
    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.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        PUR1_ECOLI | P0AG16: 1ecc 1ecf 1ecg 1ecj
        PUR1_SHIFL | P0AG17: 1ecc 1ecf 1ecg 1ecj

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1ECB)