6H05

Cryo-electron microscopic structure of the dihydrolipoamide succinyltransferase (E2) component of the human alpha-ketoglutarate (2-oxoglutarate) dehydrogenase complex [residues 218-453]

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6h05a_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	CAT-like	8094988	4000430	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	CoA-dependent acyltransferases	8094989	3000272	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	PF00198	e6h05A1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00198	2-oxoacid dehydrogenases acyltransferase (catalytic domain) (2-oxoacid_dh)	2-oxoacid dehydrogenases acyltransferase (catalytic domain)	These proteins contain one to three copies of a lipoyl binding domain followed by the catalytic domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex, mitochondrial	S-succinyltransferase activity catalytic activity, acting on a protein acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity S-acyltransferase activity dihydrolipoyllysine-residue succinyltransferase activity catalytic activity succinyltransferase 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 ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process carbohydrate derivative 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 ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process carbohydrate derivative metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process organic substance metabolic process acyl-CoA metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process sulfur compound metabolic process succinyl-CoA metabolic process amide metabolic process thioester metabolic process phosphorus metabolic process nucleoside phosphate metabolic process organonitrogen compound metabolic process nucleotide metabolic process purine-containing compound metabolic process organic cyclic compound metabolic process organophosphate metabolic process purine ribonucleotide metabolic process oxoacid metabolic process aspartate family amino acid metabolic process amino acid metabolic process acetyl-CoA metabolic process organic acid catabolic process organic acid metabolic process cellular catabolic process carboxylic acid catabolic process L-lysine metabolic process amide catabolic process amino acid catabolic process organonitrogen compound catabolic process L-amino acid metabolic process alpha-amino acid catabolic process small molecule catabolic process lysine metabolic process catabolic process L-lysine catabolic process alpha-amino acid metabolic process aspartate family amino acid catabolic process L-lysine catabolic process to acetyl-CoA via saccharopine lysine catabolic process L-amino acid catabolic process carboxylic acid metabolic process proteinogenic amino acid metabolic process proteinogenic amino acid catabolic process L-lysine catabolic process to acetyl-CoA organic substance catabolic process 2-oxoglutarate metabolic process dicarboxylic acid metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex oxoglutarate dehydrogenase complex catalytic complex oxidoreductase complex tricarboxylic acid cycle heteromeric enzyme complex alpha-ketoacid dehydrogenase complex mitochondrial matrix

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
A	IPR006255	Dihydrolipoamide succinyltransferase	Family
A	IPR023213	Chloramphenicol acetyltransferase-like domain superfamily	Homologous Superfamily
A	IPR011053	Single hybrid motif	Homologous Superfamily
A	IPR003016	2-oxo acid dehydrogenase, lipoyl-binding site	Binding Site
A	IPR000089	Biotin/lipoyl attachment	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P36957	gastroesophageal reflux disease Mitochondrial Diseases heart disease psoriasis medulloblastoma Wernicke-Korsakoff syndrome

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.