Annotations: 5HUP

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF02749	e5hupA1	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: PF02749	ECOD (1.6)
A	PF01729	e5hupA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01729	ECOD (1.6)
B	PF02749	e5hupB1	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: PF02749	ECOD (1.6)
B	PF01729	e5hupB2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01729	ECOD (1.6)
C	PF02749	e5hupC1	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: PF02749	ECOD (1.6)
C	PF01729	e5hupC2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01729	ECOD (1.6)
D [auth E]	PF02749	e5hupE2	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: PF02749	ECOD (1.6)
D [auth E]	PF01729	e5hupE1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01729	ECOD (1.6)
E [auth F]	PF02749	e5hupF1	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: PF02749	ECOD (1.6)
E [auth F]	PF01729	e5hupF2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01729	ECOD (1.6)
F [auth H]	PF02749	e5hupH2	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: PF02749	ECOD (1.6)
F [auth H]	PF01729	e5hupH1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01729	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1170.20	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
B	3.90.1170.20	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
B	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
C	3.90.1170.20	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
C	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
D [auth E]	3.90.1170.20	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
D [auth E]	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
E [auth F]	3.90.1170.20	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
E [auth F]	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
F [auth H]	3.90.1170.20	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
F [auth H]	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D [auth E], E [auth F], A, B, C, D [auth E], E [auth F], F [auth H]	PF02749	Quinolinate phosphoribosyl transferase, N-terminal domain (QRPTase_N)	Quinolinate phosphoribosyl transferase, N-terminal domain	Quinolinate phosphoribosyl transferase (QPRTase) or nicotinate-nucleotide pyrophosphorylase EC:2.4.2.19 is involved in the de novo synthesis of NAD in both prokaryotes and eukaryotes. It catalyses the reaction of quinolinic acid with 5-phosphoribosyl ...	Quinolinate phosphoribosyl transferase (QPRTase) or nicotinate-nucleotide pyrophosphorylase EC:2.4.2.19 is involved in the de novo synthesis of NAD in both prokaryotes and eukaryotes. It catalyses the reaction of quinolinic acid with 5-phosphoribosyl-1-pyrophosphate (PRPP) in the presence of Mg2+ to give rise to nicotinic acid mononucleotide (NaMN), pyrophosphate and carbon dioxide [1,2]. The QA substrate is bound between the C-terminal domain of one subunit, and the N-terminal domain of the other. The N-terminal domain has an alpha/beta hammerhead fold.	Domain
A, B, C, D [auth E], E [auth F], A, B, C, D [auth E], E [auth F], F [auth H]	PF01729	Quinolinate phosphoribosyl transferase, C-terminal domain (QRPTase_C)	Quinolinate phosphoribosyl transferase, C-terminal domain	Quinolinate phosphoribosyl transferase (QPRTase) or nicotinate-nucleotide pyrophosphorylase EC:2.4.2.19 is involved in the de novo synthesis of NAD in both prokaryotes and eukaryotes. It catalyses the reaction of quinolinic acid with 5-phosphoribosyl ...	Quinolinate phosphoribosyl transferase (QPRTase) or nicotinate-nucleotide pyrophosphorylase EC:2.4.2.19 is involved in the de novo synthesis of NAD in both prokaryotes and eukaryotes. It catalyses the reaction of quinolinic acid with 5-phosphoribosyl-1-pyrophosphate (PRPP) in the presence of Mg2+ to give rise to nicotinic acid mononucleotide (NaMN), pyrophosphate and carbon dioxide [1,2]. The QA substrate is bound between the C-terminal domain of one subunit, and the N-terminal domain of the other. The C-terminal domain has a 7 beta-stranded TIM barrel-like fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D [auth E], E [auth F], A, B, C, D [auth E], E [auth F], F [auth H]	Nicotinate-nucleotide pyrophosphorylase (Carboxylating)	pentosyltransferase activity glycosyltransferase activity nicotinate-nucleotide diphosphorylase (carboxylating) activity transferase activity catalytic activity	nucleotide biosynthetic process organonitrogen compound biosynthetic process NAD metabolic 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 pyridine-containing compound metabolic process small molecule metabolic process phosphorus metabolic process pyridine nucleotide metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process NAD metabolic 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 pyridine-containing compound metabolic process small molecule metabolic process phosphorus metabolic process pyridine nucleotide metabolic process NAD biosynthetic process pyridine nucleotide biosynthetic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process organonitrogen compound metabolic process cellular 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 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	-

InterPro: Protein Family Classification InterPro Database Homepage

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