Annotations: 3QHA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	NAD_binding_11	e3qhaA2	A: alpha arrays	X: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	H: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: NAD_binding_11	ECOD (1.6)
A	NAD_binding_2	e3qhaA3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: NAD_binding_2	ECOD (1.6)
B	NAD_binding_11	e3qhaB2	A: alpha arrays	X: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	H: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: NAD_binding_11	ECOD (1.6)
B	NAD_binding_2	e3qhaB3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: NAD_binding_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	1.10.1040.10	Mainly Alpha	Orthogonal Bundle	N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase	domain 2	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	1.10.1040.10	Mainly Alpha	Orthogonal Bundle	N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF14833	NAD-binding of NADP-dependent 3-hydroxyisobutyrate dehydrogenase (NAD_binding_11)	NAD-binding of NADP-dependent 3-hydroxyisobutyrate dehydrogenase	3-Hydroxyisobutyrate is a central metabolite in the valine catabolic pathway, and is reversibly oxidised to methylmalonate semi-aldehyde by a specific dehydrogenase belonging to the 3-hydroxyacid dehydrogenase family. The reaction is NADP-dependent a ...	3-Hydroxyisobutyrate is a central metabolite in the valine catabolic pathway, and is reversibly oxidised to methylmalonate semi-aldehyde by a specific dehydrogenase belonging to the 3-hydroxyacid dehydrogenase family. The reaction is NADP-dependent and this region of the enzyme binds NAD. The NAD-binding domain of 6-phosphogluconate dehydrogenase adopts an alpha helical structure [1].	Domain
A, B	PF03446	NAD binding domain of 6-phosphogluconate dehydrogenase (NAD_binding_2)	NAD binding domain of 6-phosphogluconate dehydrogenase	The NAD binding domain of 6-phosphogluconate dehydrogenase adopts a Rossmann fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Putative oxidoreductase	oxidoreductase activity catalytic activity binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding NAD binding	cellular catabolic process catabolic process cellular metabolic process small molecule metabolic process metabolic process cellular process organic acid catabolic process organic acid metabolic process small molecule catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015815	3-hydroxyisobutyrate dehydrogenase-related	Family
A, B	IPR006115	6-phosphogluconate dehydrogenase, NADP-binding	Domain
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR013328	6-phosphogluconate dehydrogenase, domain 2	Homologous Superfamily
A, B	IPR029154	3-hydroxyisobutyrate dehydrogenase-like, NAD-binding domain	Domain
A, B	IPR002204	3-hydroxyisobutyrate dehydrogenase-related, conserved site	Conserved Site
A, B	IPR008927	6-phosphogluconate dehydrogenase-like, C-terminal domain superfamily	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.