2QFX

Crystal structure of Saccharomyces cerevesiae mitochondrial NADP(+)-dependent isocitrate dehydrogenase in complex with NADPH, a-ketoglutarate and Ca(2+)

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	d2qfxa_	Alpha and beta proteins (a/b)	Isocitrate/Isopropylmalate dehydrogenase-like	Isocitrate/Isopropylmalate dehydrogenase-like	Dimeric isocitrate & isopropylmalate dehydrogenases	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d2qfxb_	Alpha and beta proteins (a/b)	Isocitrate/Isopropylmalate dehydrogenase-like	Isocitrate/Isopropylmalate dehydrogenase-like	Dimeric isocitrate & isopropylmalate dehydrogenases	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
C	d2qfxc_	Alpha and beta proteins (a/b)	Isocitrate/Isopropylmalate dehydrogenase-like	Isocitrate/Isopropylmalate dehydrogenase-like	Dimeric isocitrate & isopropylmalate dehydrogenases	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
D	d2qfxd_	Alpha and beta proteins (a/b)	Isocitrate/Isopropylmalate dehydrogenase-like	Isocitrate/Isopropylmalate dehydrogenase-like	Dimeric isocitrate & isopropylmalate dehydrogenases	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
E	d2qfxe_	Alpha and beta proteins (a/b)	Isocitrate/Isopropylmalate dehydrogenase-like	Isocitrate/Isopropylmalate dehydrogenase-like	Dimeric isocitrate & isopropylmalate dehydrogenases	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
F	d2qfxf_	Alpha and beta proteins (a/b)	Isocitrate/Isopropylmalate dehydrogenase-like	Isocitrate/Isopropylmalate dehydrogenase-like	Dimeric isocitrate & isopropylmalate dehydrogenases	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

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	8067350	3001375	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8067350	3001375	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8067350	3001375	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8067350	3001375	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8067350	3001375	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Isocitrate/Isopropylmalate dehydrogenase-like	8067350	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	Iso_dh	e2qfxA2	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)
B	Iso_dh	e2qfxB2	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)
C	Iso_dh	e2qfxC1	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)
D	Iso_dh	e2qfxD2	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)
E	Iso_dh	e2qfxE2	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)
F	Iso_dh	e2qfxF1	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)
B	3.40.718.10	Alpha Beta	3-Layer(aba) Sandwich	Isopropylmalate Dehydrogenase	Isopropylmalate Dehydrogenase	CATH (4.3.0)
C	3.40.718.10	Alpha Beta	3-Layer(aba) Sandwich	Isopropylmalate Dehydrogenase	Isopropylmalate Dehydrogenase	CATH (4.3.0)
D	3.40.718.10	Alpha Beta	3-Layer(aba) Sandwich	Isopropylmalate Dehydrogenase	Isopropylmalate Dehydrogenase	CATH (4.3.0)
E	3.40.718.10	Alpha Beta	3-Layer(aba) Sandwich	Isopropylmalate Dehydrogenase	Isopropylmalate Dehydrogenase	CATH (4.3.0)
F	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, B, C, D, E A, B, C, D, E, F	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, B, C, D, E A, B, C, D, E, F	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 cellular metabolic process metabolic process cellular process primary metabolic process generation of precursor metabolites and energy carbohydrate metabolic process glyoxylate metabolic process glyoxylate cycle oxoacid 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 carbohydrate metabolic process glyoxylate metabolic process glyoxylate cycle oxoacid metabolic process carboxylic acid metabolic process organic acid metabolic process cellular aldehyde metabolic process small molecule metabolic process monocarboxylic acid metabolic process isocitrate metabolic process tricarboxylic acid metabolic process organic hydroxy compound metabolic process alcohol metabolic process secondary alcohol metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process organonitrogen compound metabolic process nucleotide metabolic process purine-containing compound metabolic process NADP metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process phosphorus metabolic process pyridine nucleotide metabolic process glutamine family amino acid biosynthetic process cellular biosynthetic process organonitrogen compound biosynthetic process amino acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process glutamine family amino acid metabolic process glutamate metabolic process dicarboxylic acid biosynthetic process small molecule biosynthetic process dicarboxylic acid metabolic process L-amino acid biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process glutamate biosynthetic process alpha-amino acid biosynthetic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane-enclosed lumen nucleoid mitochondrial matrix intracellular organelle lumen organelle lumen intracellular non-membrane-bounded organelle membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane-enclosed lumen nucleoid mitochondrial matrix intracellular organelle lumen organelle lumen intracellular non-membrane-bounded organelle mitochondrial nucleoid non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

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

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.