7XGM | pdb_00007xgm

Quinolinate Phosphoribosyl Transferase (QAPRTase) from Streptomyces pyridomyceticus NRRL B-2517 in complex with Quinolinic Acid (QA)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e7xgmA1	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Nicotinate/Quinolinate PRTase N-terminal domain-like	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e7xgmA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e7xgmB2	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Nicotinate/Quinolinate PRTase N-terminal domain-like	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e7xgmB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (utative)
B	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Quinolinate Phosphoribosyl Transferase	pentosyltransferase activity glycosyltransferase activity nicotinate-nucleotide diphosphorylase (carboxylating) activity transferase activity catalytic activity	quinolinate metabolic process catabolic process oxoacid metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process quinolinate catabolic process carboxylic acid catabolic process pyridine-containing compound metabolic process small molecule metabolic process metabolic process cellular process quinolinate metabolic process catabolic process oxoacid metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process quinolinate catabolic process carboxylic acid catabolic process pyridine-containing compound metabolic process small molecule metabolic process metabolic process cellular process small molecule catabolic process pyridine-containing compound catabolic process NAD+ biosynthetic process nucleotide biosynthetic process nucleobase-containing compound metabolic process purine nucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process phosphate-containing compound metabolic process phosphorus metabolic process NAD+ metabolic process pyridine nucleotide biosynthetic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process pyridine-containing compound biosynthetic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process purine-containing compound metabolic process nicotinamide nucleotide biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process purine nucleotide biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR022412	Quinolinate phosphoribosyl transferase, N-terminal	Domain
A, B	IPR037128	Quinolinate phosphoribosyl transferase, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR004393	Nicotinate-nucleotide pyrophosphorylase	Family
A, B	IPR002638	Quinolinate phosphoribosyl transferase, C-terminal	Domain
A, B	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily
A, B	IPR027277	Nicotinate-nucleotide pyrophosphorylase/Putative pyrophosphorylase ModD	Family
A, B	IPR036068	Nicotinate phosphoribosyltransferase-like, C-terminal	Homologous Superfamily

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.