2A9V | pdb_00002a9v

Crystal structure of a putative gmp synthase subunit a protein (ta0944m) from thermoplasma acidophilum at 2.45 A resolution

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)
D	d2a9vd2	Alpha and beta proteins (a/b)	Flavodoxin-like	Class I glutamine amidotransferase-like	Class I glutamine amidotransferases (GAT)	GMP synthase subunit A, GuaAA	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
D	d2a9vd3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
C	d2a9vc2	Alpha and beta proteins (a/b)	Flavodoxin-like	Class I glutamine amidotransferase-like	Class I glutamine amidotransferases (GAT)	GMP synthase subunit A, GuaAA	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
C	d2a9vc3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
B	d2a9vb_	Alpha and beta proteins (a/b)	Flavodoxin-like	Class I glutamine amidotransferase-like	Class I glutamine amidotransferases (GAT)	GMP synthase subunit A, GuaAA	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
A	d2a9va1	Alpha and beta proteins (a/b)	Flavodoxin-like	Class I glutamine amidotransferase-like	Class I glutamine amidotransferases (GAT)	GMP synthase subunit A, GuaAA	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
A	d2a9va2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Class I glutamine amidotransferase-like	8036783	3001405	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Class I glutamine amidotransferase-like	8036783	3001405	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Class I glutamine amidotransferase-like	8036783	3001405	SCOP2B (2022-06-29)
A	SCOP2 Family	Class I glutamine amidotransferases (GAT)	8024404	4003747	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Class I glutamine amidotransferase-like	8036783	3001405	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	GATase	e2a9vD1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: GATase	ECOD (1.6)
C	GATase	e2a9vC1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: GATase	ECOD (1.6)
B	GATase	e2a9vB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: GATase	ECOD (1.6)
A	GATase	e2a9vA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: GATase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.880	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Class I glutamine amidotransferase (GATase) domain	CATH (4.3.0)
C	3.40.50.880	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Class I glutamine amidotransferase (GATase) domain	CATH (4.3.0)
B	3.40.50.880	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Class I glutamine amidotransferase (GATase) domain	CATH (4.3.0)
A	3.40.50.880	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Class I glutamine amidotransferase (GATase) domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00117	Glutamine amidotransferase class-I (GATase)	Glutamine amidotransferase class-I		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	GMP synthase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding carbon-nitrogen ligase activity, with glutamine as amido-N-donor GMP synthase activity GMP synthase (glutamine-hydrolyzing) activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR029062	Class I glutamine amidotransferase-like	Homologous Superfamily
A, B, C, D	IPR017926	Glutamine amidotransferase	Domain
A, B, C, D	IPR004739	GMP synthase, glutamine amidotransferase	Domain
A, B, C, D	IPR023686	GMP synthase (glutamine-hydrolyzing) subunit A	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.