1ECF - JenaLib

Asymmetric Unit (Jmol Viewer)

Asym. Unit - sites (Jmol Viewer)

Biological Unit 1 (Jmol Viewer)

Biol. Unit 1 - sites (Jmol Viewer)

Title :   ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE

Authors :   J. M. Krahn

Date :   23 Apr 96 (Deposition) - 08 Nov 96 (Release) - 16 Nov 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

Chains :   Asym. Unit : A,B
Biol. Unit 1: A,B  (2x)

Keywords :   Purine Biosynthesis, Transferase, Glycosyltransferase, Glutamine Amidotransferase, Transferase (Glutamine Amidotransferase) (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. R. Muchmore, J. M. Krahn, J. H. Kim, H. Zalkin, J. L. Smith
Crystal Structure Of Glutamine Phosphoribosylpyrophosphate Amidotransferase From Escherichia Coli.
Protein Sci. V. 7 39 1998
PubMed-ID: 9514258

Molecule 1 - GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE AMIDOTRANSFERASE
	Cell Line	:	BL21
	Chains	:	A, B
	EC Number	:	2.4.2.14
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Gene	:	PURF
	Expression System Plasmid	:	PT7F1
	Expression System Strain	:	BL21 (DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	T7
	Gene	:	PURF
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562
	Other Details	:	T7 PHI10 PROMOTER

		1	2
Asymmetric Unit	:	A	B
Biological Unit 1 (2x)	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 6)

No.	Name	Count	Type	Full Name
1	PIN	6	Ligand/Ion	PIPERAZINE-N,N'-BIS(2-ETHANESULFONIC ACID)

Biological Unit 1 (1, 12)

No.	Name	Count	Type	Full Name
1	PIN	12	Ligand/Ion	PIPERAZINE-N,N'-BIS(2-ETHANESULFONIC ACID)

Asymmetric Unit (10, 10)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	PRO A:302 , GLU A:303 , THR A:304 , ASP A:366 , ASP A:367 , SER A:368 , VAL A:370 , ARG A:371 , GLY A:372 , THR A:373 , THR A:374 , HOH A:551 , HOH A:849	BINDING SITE FOR RESIDUE PIN A 505
02	AC2	SOFTWARE	ARG A:43 , LEU A:44 , ARG A:45 , LYS A:46 , ARG A:62 , HOH A:810 , HOH A:836 , HOH A:982	BINDING SITE FOR RESIDUE PIN A 506
03	AC3	SOFTWARE	TYR A:89 , VAL A:90 , ASN A:91 , HOH A:511	BINDING SITE FOR RESIDUE PIN A 507
04	AC4	SOFTWARE	HOH A:786 , GLU B:303 , THR B:304 , LYS B:326 , ASP B:366 , ASP B:367 , SER B:368 , ILE B:369 , VAL B:370 , ARG B:371 , GLY B:372 , THR B:373 , THR B:374 , SER B:375 , HOH B:848 , HOH B:910	BINDING SITE FOR RESIDUE PIN B 505
05	AC5	SOFTWARE	ARG B:43 , LEU B:44 , ARG B:45 , LYS B:46 , ARG B:62 , GLU B:84 , HOH B:770 , HOH B:884 , HOH B:943	BINDING SITE FOR RESIDUE PIN B 506
06	AC6	SOFTWARE	TYR B:89 , VAL B:90 , ASN B:91 , SER B:92 , HOH B:555	BINDING SITE FOR RESIDUE PIN B 507
07	NTA	UNKNOWN	CYS A:1	NTN TYPE GLUTAMINE AMIDOTRANSFERASE CATALYTIC RESIDUE. THIS SITE BELONGS TO THE NTN SUPERFAMILY, WHICH ARE THOUGHT TO UTILIZE THE ALPHA-AMINO GROUP OF THE N-TERMINAL RESIDUE AS A PROTON DONOR , AND THE SIDE CHAIN OF THIS RESIDUE AS A NUCLEOPHILE IN CATALYSIS OF A HYDROLYTIC REACTION.
08	NTB	UNKNOWN	CYS B:1	NTN TYPE GLUTAMINE AMIDOTRANSFERASE CATALYTIC RESIDUE. THIS SITE BELONGS TO THE NTN SUPERFAMILY, WHICH ARE THOUGHT TO UTILIZE THE ALPHA-AMINO GROUP OF THE N-TERMINAL RESIDUE AS A PROTON DONOR , AND THE SIDE CHAIN OF THIS RESIDUE AS A NUCLEOPHILE IN CATALYSIS OF A HYDROLYTIC REACTION.
09	PRA	UNKNOWN	VAL A:362 , LEU A:363 , LEU A:364 , VAL A:365 , ASP A:366 , ASP A:367 , SER A:368 , ILE A:369 , VAL A:370 , ARG A:371 , GLY A:372 , THR A:373 , THR A:374	PRPP BINDING MOTIF, IDENTIFIED BY SEQUENCE SIMILARITY AMONG MEMBERS OF THE PHOSPHORIBOSYLTRANSFERASE (PRTASE) FAMILY OF ENZYMES.
10	PRB	UNKNOWN	VAL B:362 , LEU B:363 , LEU B:364 , VAL B:365 , ASP B:366 , ASP B:367 , SER B:368 , ILE B:369 , VAL B:370 , ARG B:371 , GLY B:372 , THR B:373 , THR B:374	PRPP BINDING MOTIF, IDENTIFIED BY SEQUENCE SIMILARITY AMONG MEMBERS OF THE PHOSPHORIBOSYLTRANSFERASE (PRTASE) FAMILY OF ENZYMES.

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

Asymmetric Unit

No.	Residues
1	Gln A:86	-	Pro A:87
2	Ser A:92	-	Pro A:93
3	Tyr A:145	-	Pro A:146
4	Pro A:302	-	Glu A:303
5	Gln B:86	-	Pro B:87
6	Ser B:92	-	Pro B:93
7	Tyr B:145	-	Pro B:146
8	Pro B:302	-	Glu B:303

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

Asymmetric Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GATASE_TYPE_2	PS51278	Glutamine amidotransferase type 2 domain profile.	PUR1_ECOLI	2-236	2	A:1-235 B:1-235
1	GATASE_TYPE_2	PS51278	Glutamine amidotransferase type 2 domain profile.	PUR1_SHIFL	2-236	2	A:1-235 B:1-235
2	PUR_PYR_PR_TRANSFER	PS00103	Purine/pyrimidine phosphoribosyl transferases signature.	PUR1_ECOLI	363-375	2	A:362-374 B:362-374
2	PUR_PYR_PR_TRANSFER	PS00103	Purine/pyrimidine phosphoribosyl transferases signature.	PUR1_SHIFL	363-375	2	A:362-374 B:362-374

Biological Unit 1 (2, 16)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GATASE_TYPE_2	PS51278	Glutamine amidotransferase type 2 domain profile.	PUR1_ECOLI	2-236	4	A:1-235 B:1-235
1	GATASE_TYPE_2	PS51278	Glutamine amidotransferase type 2 domain profile.	PUR1_SHIFL	2-236	4	A:1-235 B:1-235
2	PUR_PYR_PR_TRANSFER	PS00103	Purine/pyrimidine phosphoribosyl transferases signature.	PUR1_ECOLI	363-375	4	A:362-374 B:362-374
2	PUR_PYR_PR_TRANSFER	PS00103	Purine/pyrimidine phosphoribosyl transferases signature.	PUR1_SHIFL	363-375	4	A:362-374 B:362-374

(no "Exon" information available for 1ECF)

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:492
 aligned with PUR1_ECOLI | P0AG16 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:492
                                    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  
           PUR1_ECOLI     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQ 493
               SCOP domains d1ecfa2 A:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecfa1 A:250-492 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                                SCOP domains
               CATH domains 1ecfA01 A:1-275,A:401-411,A:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecfA02 A:276-326,A:349-400,A:412-445              ----------------------1ecfA02 A:276-326,A:349-400,A:412-445               1ecfA01    1ecfA02                           1ecfA01 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........eeeeeeee..eeeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee.......................eee.hhh.....eeee.......hhhhhhhhhhhh...........................hhh.......hhhhhhhh.........hhhhhhhhhhh.........hhhh.........hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) GATASE_TYPE_2  PDB: A:1-235 UniProt: 2-236                                                                                                                                                                                                 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (1) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1ecf A   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQ 492
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490

Chain A from PDB  Type:PROTEIN  Length:492
 aligned with PUR1_SHIFL | P0AG17 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:492
                                    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  
           PUR1_SHIFL     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQ 493
               SCOP domains d1ecfa2 A:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecfa1 A:250-492 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                                SCOP domains
               CATH domains 1ecfA01 A:1-275,A:401-411,A:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecfA02 A:276-326,A:349-400,A:412-445              ----------------------1ecfA02 A:276-326,A:349-400,A:412-445               1ecfA01    1ecfA02                           1ecfA01 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........eeeeeeee..eeeeeee..hhhhhhh..eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhh.......eee.......................eee.hhh.....eeee.......hhhhhhhhhhhh...........................hhh.......hhhhhhhh.........hhhhhhhhhhh.........hhhh.........hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) GATASE_TYPE_2  PDB: A:1-235 UniProt: 2-236                                                                                                                                                                                                 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1ecf A   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQ 492
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490

Chain B from PDB  Type:PROTEIN  Length:500
 aligned with PUR1_ECOLI | P0AG16 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:500
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501
           PUR1_ECOLI     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQNEVENLEM 501
               SCOP domains d1ecfb2 B:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecfb1 B:250-500 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                                        SCOP domains
               CATH domains 1ecfB01 B:1-275,B:401-411,B:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecfB02 B:276-326,B:349-400,B:412-445              ----------------------1ecfB02 B:276-326,B:349-400,B:412-445               1ecfB01    1ecfB02                           1ecfB01 B:1-275,B:401-411,B: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........eeeeeeee..eeeeeee..hhhhhh...eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee.....hhhhhhhhhhh.......eee..................hhhhheee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee.................hhh.......hhhhhhhh...eeee..hhhhhhhhhhh.........hhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) GATASE_TYPE_2  PDB: B:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (1) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR------------------------------------------------------------------------------------------------------------------------------ PROSITE (1)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecf B   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQNEVENLEM 500
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500

Chain B from PDB  Type:PROTEIN  Length:500
 aligned with PUR1_SHIFL | P0AG17 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:500
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501
           PUR1_SHIFL     2 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQNEVENLEM 501
               SCOP domains d1ecfb2 B:1-249 Glutamine PRPP amidotransferase, N-terminal domain                                                                                                                                                                                       d1ecfb1 B:250-500 Glutamine PRPP amidotransferase, C-terminal domain                                                                                                                                                                                        SCOP domains
               CATH domains 1ecfB01 B:1-275,B:401-411,B:446-480 Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1                                                                                                                                                                                     1ecfB02 B:276-326,B:349-400,B:412-445              ----------------------1ecfB02 B:276-326,B:349-400,B:412-445               1ecfB01    1ecfB02                           1ecfB01 B:1-275,B:401-411,B: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........eeeeeeee..eeeeeee..hhhhhh...eeeee....eeeeee....eeeee..........hhhhh.............hhhhhhhhhhhhhhhhhhh.......eeee.....hhhhhhhhhhh.......eee..................hhhhheee.hhh.....eeeee......hhhhhhhhhhhh.....eeeee.................hhh.......hhhhhhhh...eeee..hhhhhhhhhhh.........hhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) GATASE_TYPE_2  PDB: B:1-235 UniProt: 2-236                                                                                                                                                                                                 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PUR_PYR_PR_TR------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecf B   1 CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQNEVENLEM 500
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500

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 Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

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. Cell_line: bl21. (2)

1a	1ecfA02	A:276-326,A:349-400,A:412-445
1b	1ecfB02	B:276-326,B:349-400,B: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. Cell_line: bl21. (2)

2a	1ecfA01	A:1-275,A:401-411,A:446-480
2b	1ecfB01	B:1-275,B:401-411,B:446-480

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

Asymmetric Unit(hide GO term definitions)

Chain A,B (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.

Chain A,B (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.

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		Gln A:86 - Pro A:87	[ RasMol ]
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		Pro A:302 - Glu A:303	[ RasMol ]
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	1ecf
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	PUR1_ECOLI \| P0AG16
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	PUR1_SHIFL \| P0AG17
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	2.4.2.14
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	PUR1_ECOLI \| P0AG16
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	PUR1_SHIFL \| P0AG17
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UniProtKB/Swiss-Prot
	PUR1_ECOLI \| P0AG16	:	1ecb 1ecc 1ecg 1ecj
	PUR1_SHIFL \| P0AG17	:	1ecb 1ecc 1ecg 1ecj

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

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 6)

Sites (10, 10)

SS Bonds (0, 0)

Cis Peptide Bonds (8, 8)

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PROSITE Motifs (2, 4)

Exons (0, 0)

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SCOP Domains (2, 4)

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