Annotations: 2DNE

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2dnea1	All beta proteins	Barrel-sandwich hybrid	Single hybrid motif	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2dnea3	Artifacts	Tags	Tags	Tags	C-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2dnea2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Biotin_lipoyl	e2dneA1	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	Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex	acetyltransferase activity catalytic activity, acting on a protein acyltransferase activity dihydrolipoyllysine-residue acetyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity S-acetyltransferase activity S-acyltransferase activity catalytic activity identical protein binding protein binding 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 nucleoside bisphosphate metabolic process ribonucleoside bisphosphate biosynthetic process oxoacid metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic 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 nucleoside bisphosphate metabolic process ribonucleoside bisphosphate biosynthetic process oxoacid metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process acetyl-CoA metabolic process organic acid metabolic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process phosphate-containing compound metabolic process organic substance biosynthetic process small molecule metabolic process sulfur compound metabolic process thioester metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside phosphate metabolic process pyruvate metabolic process amide biosynthetic process nucleotide metabolic process organic cyclic compound metabolic process sulfur compound biosynthetic process biosynthetic process organophosphate biosynthetic process organic cyclic compound biosynthetic process nucleoside phosphate biosynthetic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process purine nucleotide biosynthetic process ribose phosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process acetyl-CoA biosynthetic process from pyruvate thioester biosynthetic process cellular biosynthetic process purine nucleotide metabolic process organic substance metabolic process acyl-CoA metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process acyl-CoA biosynthetic process purine nucleoside bisphosphate biosynthetic process amide metabolic process carbohydrate derivative biosynthetic process organonitrogen compound metabolic process nucleoside bisphosphate biosynthetic process carboxylic acid metabolic process nucleobase-containing compound biosynthetic process purine-containing compound metabolic process acetyl-CoA biosynthetic process organophosphate metabolic process monosaccharide metabolic process carbohydrate metabolic process hexose metabolic process glucose metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex catalytic complex oxidoreductase complex pyruvate dehydrogenase complex alpha-ketoacid dehydrogenase complex membrane-enclosed lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex catalytic complex oxidoreductase complex pyruvate dehydrogenase complex alpha-ketoacid dehydrogenase complex membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
A	IPR045257	Dihydrolipoamide acetyltransferase/Pyruvate dehydrogenase protein X component	Family
A	IPR006257	Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex	Family
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: P10515	pyruvate dehydrogenase E2 deficiency pyruvate dehydrogenase deficiency cirrhosis of liver drug-induced liver injury intellectual disability lung adenocarcinoma Mitochondrial Diseases osteosarcoma Pick disease coronary artery disease hereditary spastic paraplegia large cell medulloblastoma lung cancer myocardial ischemia ovarian cancer pyruvate dehydrogenase E2 deficiency pyruvate dehydrogenase deficiency cirrhosis of liver drug-induced liver injury intellectual disability lung adenocarcinoma Mitochondrial Diseases osteosarcoma Pick disease coronary artery disease hereditary spastic paraplegia large cell medulloblastoma lung cancer myocardial ischemia ovarian cancer dermatomyositis inborn errors of metabolism Leigh syndrome malignant mesothelioma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm

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.