4AOU

CtIDH bound to NADP. The complex structures of Isocitrate dehydrogenase from Clostridium thermocellum and Desulfotalea psychrophila, support a new active site locking mechanism

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4aoua_	Alpha and beta proteins (a/b)	Isocitrate/Isopropylmalate dehydrogenase-like	Isocitrate/Isopropylmalate dehydrogenase-like	automated matches	automated matches	(Acetivibrio thermocellus ) [TaxId: 1515 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Dimeric isocitrate & isopropylmalate dehydrogenases	8067351	4000791	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8067352	3001375	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	Iso_dh	e4aouA2	A: a/b three-layered sandwiches	X: Isocitrate/Isopropylmalate dehydrogenase-like (From Topology)	H: Isocitrate/Isopropylmalate dehydrogenase-like (From Topology)	T: Isocitrate/Isopropylmalate dehydrogenase-like	F: Iso_dh	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.718.10	Alpha Beta	3-Layer(aba) Sandwich	Isopropylmalate Dehydrogenase	Isopropylmalate Dehydrogenase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00180	Isocitrate/isopropylmalate dehydrogenase (Iso_dh)	Isocitrate/isopropylmalate dehydrogenase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ISOCITRATE DEHYDROGENASE [NADP]	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding isocitrate dehydrogenase [NAD(P)+] activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor isocitrate dehydrogenase (NADP+) activity oxidoreductase activity, acting on CH-OH group of donors catalytic activity NAD binding nucleoside phosphate binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding isocitrate dehydrogenase [NAD(P)+] activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor isocitrate dehydrogenase (NADP+) activity oxidoreductase activity, acting on CH-OH group of donors catalytic activity NAD binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding	aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds metabolic process cellular process primary metabolic process generation of precursor metabolites and energy isocitrate metabolic process tricarboxylic acid metabolic process oxoacid metabolic process organic hydroxy compound metabolic process carboxylic acid metabolic process alcohol metabolic process aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds metabolic process cellular process primary metabolic process generation of precursor metabolites and energy isocitrate metabolic process tricarboxylic acid metabolic process oxoacid metabolic process organic hydroxy compound metabolic process carboxylic acid metabolic process alcohol metabolic process organic acid metabolic process secondary alcohol metabolic process small molecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR019818	Isocitrate/isopropylmalate dehydrogenase, conserved site	Conserved Site
A	IPR004790	Isocitrate dehydrogenase NADP-dependent	Family
A	IPR024084	Isopropylmalate dehydrogenase-like domain	Domain

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.