1K8M

Solution Structure of the Lipoic Acid-Bearing Domain of the E2 component of Human, Mitochondrial Branched-Chain alpha-Ketoacid Dehydrogenase

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	d1k8ma1	All beta proteins	Barrel-sandwich hybrid	Single hybrid motif	Biotinyl/lipoyl-carrier proteins and domains	Lipoyl domain of the mitochondrial branched-chain alpha-ketoacid dehydrogenase	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1k8ma2	Artifacts	Tags	Tags	Tags	C-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1k8ma3	Artifacts	Tags	Tags	Tags	N-terminal Tags	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	SCOP2B Superfamily	Single hybrid motif	8037908	3001880	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	Biotin_lipoyl	e1k8mA1	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: Biotin_lipoyl	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00364	Biotin-requiring enzyme (Biotin_lipoyl)	Biotin-requiring enzyme	This family covers two Prosite entries, the conserved lysine residue binds biotin in one group and lipoic acid in the other. Note that the HMM does not currently recognise the Glycine cleavage system H proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	E2 component of Branched-Chain alpha-Ketoacid Dehydrogenase	acetyltransferase activity acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity fatty acid binding organic acid binding binding ion binding organic cyclic compound binding anion binding lipid binding lipoic acid binding carboxylic acid binding acetyltransferase activity acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity fatty acid binding organic acid binding binding ion binding organic cyclic compound binding anion binding lipid binding lipoic acid binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding small molecule binding sulfur compound binding ubiquitin protein ligase binding protein binding ubiquitin-like protein ligase binding enzyme binding dihydrolipoyllysine-residue (2-methylpropanoyl)transferase activity	organonitrogen compound catabolic process catabolic process organonitrogen compound metabolic process oxoacid metabolic process cellular metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process branched-chain amino acid catabolic process cellular catabolic process organic substance metabolic process carboxylic acid catabolic process organonitrogen compound catabolic process catabolic process organonitrogen compound metabolic process oxoacid metabolic process cellular metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process branched-chain amino acid catabolic process cellular catabolic process organic substance metabolic process carboxylic acid catabolic process small molecule metabolic process metabolic process cellular process branched-chain amino acid metabolic process small molecule catabolic process organic substance catabolic process amino acid catabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle cytosol membrane-enclosed lumen nucleoid mitochondrial matrix intracellular organelle lumen organelle lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle cytosol membrane-enclosed lumen nucleoid mitochondrial matrix intracellular organelle lumen organelle lumen intracellular non-membrane-bounded organelle mitochondrial nucleoid non-membrane-bounded organelle cytoskeleton microtubule cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
A	IPR023213	Chloramphenicol acetyltransferase-like domain superfamily	Homologous Superfamily
A	IPR036625	E3-binding domain superfamily	Homologous Superfamily
A	IPR004167	Peripheral subunit-binding domain	Domain
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: P11182	maple syrup urine disease malignant ependymoma Maple Syrup Urine Disease, Thiamine Responsive osteosarcoma adenoma Pick disease classic maple syrup urine disease psoriasis esophageal adenocarcinoma glioblastoma inborn errors of metabolism intermediate maple syrup urine disease large cell medulloblastoma malignant glioma medulloblastoma maple syrup urine disease malignant ependymoma Maple Syrup Urine Disease, Thiamine Responsive osteosarcoma adenoma Pick disease classic maple syrup urine disease psoriasis esophageal adenocarcinoma glioblastoma inborn errors of metabolism intermediate maple syrup urine disease large cell medulloblastoma malignant glioma medulloblastoma ovarian cancer astrocytic tumor plasma cell myeloma drug-induced liver injury gastric cancer hepatocellular carcinoma inherited organic acidemia intermittent maple syrup urine disease lung cancer oligodendroglioma pancreatic ductal adenocarcinoma atypical teratoid rhabdoid tumor primitive neuroectodermal tumor gastric carcinoma intellectual disability interstitial cystitis

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.