Annotations: 4HHE

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	NadA-like	8065675	4003256	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	NadA-like	8065676	3000509	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)
A	NadA	e4hheA7	A: a/b three-layered sandwiches	X: NadA-like/4-hydroxy-3-methylbut-2-enyl diphosphate reductase (From Topology)	H: NadA-like/4-hydroxy-3-methylbut-2-enyl diphosphate reductase (From Topology)	T: NadA-like/4-hydroxy-3-methylbut-2-enyl diphosphate reductase	F: NadA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.10800	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NadA-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02445	Quinolinate synthetase A protein (NadA)	Quinolinate synthetase A protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Quinolinate synthase A	quinolinate synthetase A activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	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	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003473	Quinolinate synthetase A	Family
A	IPR023066	Quinolinate synthase A, type 2	Family
A	IPR036094	Quinolinate synthetase A superfamily	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.