Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyN-type ATP pyrophosphatases 8028199 4003831 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyAdenine nucleotide alpha hydrolases-like 8040578 3001593 SCOP2 (2022-06-29)
BSCOP2B SuperfamilyAdenine nucleotide alpha hydrolases-like 8040578 3001593 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ANAD_synthasee1kqpA1 A: a/b three-layered sandwichesX: HUP domain-likeH: HUP domains (From Topology)T: HUP domainsF: NAD_synthaseECOD (1.6)
BNAD_synthasee1kqpB1 A: a/b three-layered sandwichesX: HUP domain-likeH: HUP domains (From Topology)T: HUP domainsF: NAD_synthaseECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.50.620 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold HUPsCATH (4.3.0)
B3.40.50.620 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold HUPsCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF02540NAD synthase (NAD_synthase)NAD synthaseNAD synthase (EC:6.3.5.1) is involved in the de novo synthesis of NAD and is induced by stress factors such as heat shock and glucose limitation.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
NH(3)-dependent NAD(+) synthetase

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
NAD+ synthase  M-CSA #200

NAD+ is involved electron transport and redox reactions and in DNA ligation and protein ADP-ribosylation. In yeast and most other organisms, NAD is generated through the de novo pathway and the salvage pathway. In the de novo pathway, quinolinic acid is converted to nicotinic acid mononucleotide (NaMN). In the salvage pathway, NaMN is generated by recycling of nicotinamide. Both pathways converge on NaMN, which is then converted into deamido-NAD+. Subsequently, deamido-NAD+ is converted to NAD+ by NAD+ synthetase. This entry represents NH(3)-dependent NAD(+) synthetases from prokaryotes.

Defined by 2 residues: ASP:A-50GLU:A-162
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