Annotations: 2K7V

Deletions in a surface loop divert the folding of a protein domain into a metastable dimeric form

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)
B	d2k7vb1	All beta proteins	Barrel-sandwich hybrid	Single hybrid motif	Biotinyl/lipoyl-carrier proteins and domains	automated matches	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
B	d2k7vb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d2k7va1	All beta proteins	Barrel-sandwich hybrid	Single hybrid motif	Biotinyl/lipoyl-carrier proteins and domains	automated matches	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d2k7va2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Single hybrid motif	8043100	3001880	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Single hybrid motif	8043100	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)
B	HTH_3	e2k7vB1	A: beta barrels	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3	ECOD (v294.2)
A	Biotin_lipoyl	e2k7vA1	A: beta barrels	X: Spectrin repeat-like	H: SH3	T: SH3	F: Biotin_lipoyl	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	6.20.100.10	Special	Other non-globular	Actin	Chain A, domain 2	CATH (4.3.0)
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, B	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, B	Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex	fatty acid binding organic acid binding binding ion binding anion binding lipid binding lipoic acid binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding small molecule binding sulfur compound binding acetyltransferase activity catalytic activity, acting on a protein fatty acid binding organic acid binding binding ion binding anion binding lipid binding lipoic acid binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding small molecule binding sulfur compound binding 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	aerobic respiration cellular respiration energy derivation by oxidation of organic compounds oxoacid metabolic process acetyl-CoA metabolic process organic acid metabolic process nucleobase-containing compound metabolic process acyl-CoA metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process acyl-CoA biosynthetic process phosphate-containing compound metabolic process sulfur compound metabolic process small molecule metabolic process aerobic respiration cellular respiration energy derivation by oxidation of organic compounds oxoacid metabolic process acetyl-CoA metabolic process organic acid metabolic process nucleobase-containing compound metabolic process acyl-CoA metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process acyl-CoA biosynthetic process phosphate-containing compound metabolic process sulfur compound metabolic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process pyruvate metabolic process carboxylic acid metabolic process pyruvate decarboxylation to acetyl-CoA primary metabolic process generation of precursor metabolites and energy nucleobase-containing compound biosynthetic process purine-containing compound metabolic process acetyl-CoA biosynthetic process sulfur compound biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process monocarboxylic acid metabolic process response to acid chemical response to stimulus response to chemical response to stress stress response to acid chemical catabolic process organic acid catabolic process monocarboxylic acid catabolic process carboxylic acid catabolic process small molecule catabolic process pyruvate catabolic process	protein-containing complex catalytic complex oxidoreductase complex transferase complex pyruvate dehydrogenase complex acetyltransferase complex alpha-ketoacid dehydrogenase complex cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
A, B	IPR023213	Chloramphenicol acetyltransferase-like domain superfamily	Homologous Superfamily
A, B	IPR006256	Dihydrolipoamide acetyltransferase pyruvate dehydrogenase complex	Family
A, B	IPR036625	E3-binding domain superfamily	Homologous Superfamily
A, B	IPR050743	2-oxoacid dehydrogenase family, E2 component	Family
A, B	IPR004167	Peripheral subunit-binding domain	Domain
A, B	IPR011053	Single hybrid motif	Homologous Superfamily
A, B	IPR003016	2-oxo acid dehydrogenase, lipoyl-binding site	Binding Site
A, B	IPR000089	Biotin/lipoyl attachment	Domain

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.