1ECB

ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE COMPLEXED WITH 2 GMP, 1 MG PER SUBUNIT

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1ecbb1	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Glutamine PRPP amidotransferase, C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1ecbb2	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Class II glutamine amidotransferases	Glutamine PRPP amidotransferase, N-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1ecbd1	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Glutamine PRPP amidotransferase, C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1ecbd2	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Class II glutamine amidotransferases	Glutamine PRPP amidotransferase, N-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1ecba1	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Glutamine PRPP amidotransferase, C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1ecba2	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Class II glutamine amidotransferases	Glutamine PRPP amidotransferase, N-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1ecbc1	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Glutamine PRPP amidotransferase, C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1ecbc2	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Class II glutamine amidotransferases	Glutamine PRPP amidotransferase, N-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	PRTase-like	8032223	3000060	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Class II glutamine amidotransferases	8036749	3000131	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	PRTase-like	8032223	3000060	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Class II glutamine amidotransferases	8036749	3000131	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PRTase-like	8032223	3000060	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Class II glutamine amidotransferases	8036749	3000131	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Class II glutamine amidotransferases	8036749	3000131	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PRTase-like	8032223	3000060	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF13522	e1ecbB1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Class II glutamine amidotransferases	F: PF13522	ECOD (1.6)
B	PF00156	e1ecbB2	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: PF00156	ECOD (1.6)
D	PF13522	e1ecbD1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Class II glutamine amidotransferases	F: PF13522	ECOD (1.6)
D	PF00156	e1ecbD2	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: PF00156	ECOD (1.6)
A	PF13522	e1ecbA1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Class II glutamine amidotransferases	F: PF13522	ECOD (1.6)
A	PF00156	e1ecbA2	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: PF00156	ECOD (1.6)
C	PF13522	e1ecbC1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Class II glutamine amidotransferases	F: PF13522	ECOD (1.6)
C	PF00156	e1ecbC2	A: a/b three-layered sandwiches	X: PRTase-like (From Topology)	H: PRTase-like (From Topology)	T: PRTase-like	F: PF00156	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
B	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
D	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
D	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
A	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
C	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00156	Phosphoribosyl transferase domain (Pribosyltran)	Phosphoribosyl transferase domain	This family includes a range of diverse phosphoribosyl transferase enzymes. This family includes: Adenine phosphoribosyl-transferase EC:2.4.2.7, Swiss:P07672. Hypoxanthine-guanine-xanthine phosphoribosyl-transferase Swiss:P51900. Hypoxanthine phosph ...	This family includes a range of diverse phosphoribosyl transferase enzymes. This family includes: Adenine phosphoribosyl-transferase EC:2.4.2.7, Swiss:P07672. Hypoxanthine-guanine-xanthine phosphoribosyl-transferase Swiss:P51900. Hypoxanthine phosphoribosyl-transferase EC:2.4.2.8 Swiss:P36766. Ribose-phosphate pyrophosphokinase i EC:2.7.6.1 Swiss:P09329. Amidophosphoribosyltransferase EC:2.4.2.14 Swiss:P00496. Orotate phosphoribosyl-transferase EC:2.4.2.10 Swiss:P11172. Uracil phosphoribosyl-transferase EC:2.4.2.9 Swiss:P25532. Xanthine-guanine phosphoribosyl-transferase EC:2.4.2.22 Swiss:P00501. In Arabidopsis, At the very N-terminus of this domain is the P-Loop NTPase domain [1].	Domain
A, B, C, D	PF13522	Glutamine amidotransferase domain (GATase_6)	Glutamine amidotransferase domain	This domain is a class-II glutamine amidotransferase domain found in a variety of enzymes, such as asparagine synthetase and glutamine--fructose-6-phosphate transaminase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE AMIDOTRANSFERASE	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding glycosyltransferase activity transferase activity catalytic activity guanosine tetraphosphate binding guanyl nucleotide binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding glycosyltransferase activity transferase activity catalytic activity guanosine tetraphosphate binding guanyl nucleotide binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding pentosyltransferase activity amidophosphoribosyltransferase activity identical protein binding protein binding	nucleotide biosynthetic process organonitrogen compound biosynthetic process nucleobase-containing compound metabolic process purine nucleotide metabolic process organic substance metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process phosphate-containing compound metabolic process organic substance biosynthetic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process organonitrogen compound metabolic process cellular metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process nucleobase-containing compound metabolic process purine nucleotide metabolic process organic substance metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process phosphate-containing compound metabolic process organic substance biosynthetic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process organonitrogen compound metabolic process cellular metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process purine-containing compound metabolic process organic cyclic compound metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process organic cyclic compound biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process purine nucleotide biosynthetic process ribose phosphate metabolic process IMP metabolic process purine ribonucleoside monophosphate biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process purine ribonucleoside monophosphate metabolic process ribonucleotide metabolic process ribonucleoside monophosphate metabolic process purine nucleoside monophosphate metabolic process ribose phosphate biosynthetic process nucleoside monophosphate metabolic process carbohydrate derivative biosynthetic process nucleoside monophosphate biosynthetic process IMP biosynthetic process 'de novo' IMP biosynthetic process purine ribonucleotide metabolic process ribonucleoside monophosphate biosynthetic process glutamine metabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process L-amino acid metabolic process glutamine family amino acid metabolic process proteinogenic amino acid metabolic process nucleobase biosynthetic process purine nucleobase metabolic process purine nucleobase biosynthetic process nucleobase metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
A, B, C, D	IPR000836	Phosphoribosyltransferase domain	Domain
A, B, C, D	IPR035584	Amidophosphoribosyltransferase, N-terminal	Domain
A, B, C, D	IPR005854	Amidophosphoribosyltransferase	Family
A, B, C, D	IPR017932	Glutamine amidotransferase type 2 domain	Domain
A, B, C, D	IPR029057	Phosphoribosyltransferase-like	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.