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1ECF
Asym. Unit
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Asym.Unit (191 KB)
Biol.Unit 1 (365 KB)
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(1)
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
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Hetero Components
(1, 6)
Info
All Hetero Components
1a: PIPERAZINE-N,N'-BIS(2-ETHANESULFON... (PINa)
1b: PIPERAZINE-N,N'-BIS(2-ETHANESULFON... (PINb)
1c: PIPERAZINE-N,N'-BIS(2-ETHANESULFON... (PINc)
1d: PIPERAZINE-N,N'-BIS(2-ETHANESULFON... (PINd)
1e: PIPERAZINE-N,N'-BIS(2-ETHANESULFON... (PINe)
1f: PIPERAZINE-N,N'-BIS(2-ETHANESULFON... (PINf)
View:
Select:
Label:
No.
Name
Count
Type
Full Name
1
PIN
6
Ligand/Ion
PIPERAZINE-N,N'-BIS(2-ETHANESULFONIC ACID)
[
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Sites
(10, 10)
Info
All Sites
01: AC1 (SOFTWARE)
02: AC2 (SOFTWARE)
03: AC3 (SOFTWARE)
04: AC4 (SOFTWARE)
05: AC5 (SOFTWARE)
06: AC6 (SOFTWARE)
07: NTA (UNKNOWN)
08: NTB (UNKNOWN)
09: PRA (UNKNOWN)
10: PRB (UNKNOWN)
View:
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Label:
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.
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
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PROSITE Patterns/Profiles
(2, 4)
Info
All PROSITE Patterns/Profiles
1: GATASE_TYPE_2 (A:1-235,B:1-235,A:1-235,B:1-235)
2: PUR_PYR_PR_TRANSFER (A:362-374,B:362-374,A:362-374,B:36...)
;
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End label:
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
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
PUR1_SHIFL
363-375
2
A:362-374
B:362-374
[
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Exons
(0, 0)
Info
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Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
SCOP Domains
(2, 4)
Info
All SCOP Domains
1a: SCOP_d1ecfa2 (A:1-249)
1b: SCOP_d1ecfb2 (B:1-249)
2a: SCOP_d1ecfa1 (A:250-492)
2b: SCOP_d1ecfb1 (B:250-500)
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Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
Alpha and beta proteins (a+b)
(23004)
Fold
:
Ntn hydrolase-like
(356)
Superfamily
:
N-terminal nucleophile aminohydrolases (Ntn hydrolases)
(352)
Family
:
Class II glutamine amidotransferases
(27)
Protein domain
:
Glutamine PRPP amidotransferase, N-terminal domain
(7)
Escherichia coli [TaxId: 562]
(5)
1a
d1ecfa2
A:1-249
1b
d1ecfb2
B:1-249
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
PRTase-like
(145)
Superfamily
:
PRTase-like
(145)
Family
:
Phosphoribosyltransferases (PRTases)
(100)
Protein domain
:
Glutamine PRPP amidotransferase, C-terminal domain
(7)
Escherichia coli [TaxId: 562]
(5)
2a
d1ecfa1
A:250-492
2b
d1ecfb1
B:250-500
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CATH Domains
(2, 4)
Info
all CATH domains
1a: CATH_1ecfA02 (A:276-326,A:349-400,A:412-445)
1b: CATH_1ecfB02 (B:276-326,B:349-400,B:412-445)
2a: CATH_1ecfA01 (A:1-275,A:401-411,A:446-480)
2b: CATH_1ecfB01 (B:1-275,B:401-411,B:446-480)
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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
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Pfam Domains
(0, 0)
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