8GRU

Crystal structure of a constitutively active mutant of the alpha beta heterodimer of human IDH3 in complex with ICT, NAD and Ca

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8073659	3001375	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8073659	3001375	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8098166	3001375	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8098166	3001375	SCOP2B (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	PF00180	e8gruA1	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: PF00180	ECOD (1.6)
C	PF00180	e8gruC2	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: PF00180	ECOD (1.6)
B	PF00180	e8gruB2	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: PF00180	ECOD (1.6)
D	PF00180	e8gruD2	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: PF00180	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00180	Isocitrate/isopropylmalate dehydrogenase (Iso_dh)	Isocitrate/isopropylmalate dehydrogenase	-	Domain
B, D	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, C	Human IDH3 alpha subunit	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 (NAD+) 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 (NAD+) 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 cellular metabolic process metabolic process cellular process primary metabolic process generation of precursor metabolites and energy carbohydrate metabolic process organic substance metabolic process isocitrate metabolic process tricarboxylic acid metabolic process oxoacid metabolic process aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds cellular metabolic process metabolic process cellular process primary metabolic process generation of precursor metabolites and energy carbohydrate metabolic process organic substance metabolic process 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	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen nucleus
B, D	Isoform A of Isocitrate dehydrogenase [NAD] subunit beta, mitochondrial	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 (NAD+) 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 (NAD+) 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 electron transfer activity	aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds cellular metabolic process 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 aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds cellular metabolic process 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 organic substance metabolic process small molecule metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR024084	Isopropylmalate dehydrogenase-like domain	Domain
A, C	IPR019818	Isocitrate/isopropylmalate dehydrogenase, conserved site	Conserved Site
A, C	IPR004434	Isocitrate dehydrogenase NAD-dependent	Family
B, D	IPR024084	Isopropylmalate dehydrogenase-like domain	Domain
B, D	IPR019818	Isocitrate/isopropylmalate dehydrogenase, conserved site	Conserved Site
B, D	IPR004434	Isocitrate dehydrogenase NAD-dependent	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C	Pharos: P50213	astrocytic tumor glioblastoma malignant ependymoma osteoarthritis ovarian cancer plasma cell myeloma retinitis pigmentosa atopic eczema large cell medulloblastoma malignant glioma osteoarthritis susceptibility 1 pilocytic astrocytoma primitive neuroectodermal tumor atypical teratoid rhabdoid tumor malignant colon neoplasm astrocytic tumor glioblastoma malignant ependymoma osteoarthritis ovarian cancer plasma cell myeloma retinitis pigmentosa atopic eczema large cell medulloblastoma malignant glioma osteoarthritis susceptibility 1 pilocytic astrocytoma primitive neuroectodermal tumor atypical teratoid rhabdoid tumor malignant colon neoplasm medulloblastoma Osteoarthrosis Deformans pituitary cancer psoriasis
B, D	Pharos: O43837	retinitis pigmentosa retinitis pigmentosa 46 cone-rod dystrophy gastric cancer lymphoplasmacytic lymphoma Mitochondrial Diseases plasma cell myeloma gastric neoplasm malignant mesothelioma osteosarcoma psoriasis hereditary diffuse gastric adenocarcinoma ovarian cancer retinal degeneration

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 R01GM133198.