9H2I | pdb_00009h2i

Dihydrolipoyl Dehydrogenase (E3) in complex with the binding domain of Dihydrolipoamide Acetyltransferase (E2) from the E. coli pyruvate dehydrogenase complex

External Resource: Annotation

Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, C	PF07992	Pyridine nucleotide-disulphide oxidoreductase (Pyr_redox_2)	Pyridine nucleotide-disulphide oxidoreductase	This family includes both class I and class II oxidoreductases and also NADH oxidases and peroxidases. This domain is actually a small NADH binding domain within a larger FAD binding domain.	Domain
B, C	PF02852	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain (Pyr_redox_dim)	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	This family includes both class I and class II oxidoreductases and also NADH oxidases and peroxidases.	Domain
A	PF02817	e3 binding domain (E3_binding)	e3 binding domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, C	Dihydrolipoyl dehydrogenase	oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity dihydrolipoyl dehydrogenase (NADH) activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding cation binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity dihydrolipoyl dehydrogenase (NADH) activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding cation binding transition metal ion binding zinc ion binding metal ion binding disulfide oxidoreductase activity identical protein binding protein binding	pyruvate metabolic process oxoacid metabolic process carboxylic acid metabolic process small molecule metabolic process metabolic process cellular process monocarboxylic acid metabolic process organic acid metabolic process aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds primary metabolic process generation of precursor metabolites and energy pyruvate metabolic process oxoacid metabolic process carboxylic acid metabolic process small molecule metabolic process metabolic process cellular process monocarboxylic acid metabolic process organic acid metabolic process aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds primary metabolic process generation of precursor metabolites and energy one-carbon metabolic process response to oxidative stress response to stimulus response to stress catabolic process organic acid catabolic process monocarboxylic acid catabolic process carboxylic acid catabolic process small molecule catabolic process pyruvate catabolic process 2-oxoglutarate metabolic process dicarboxylic acid metabolic process glycine decarboxylation via glycine cleavage system amino acid metabolic process alpha-amino acid metabolic process glycine metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process glycine catabolic process amino acid catabolic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane protein-containing complex catalytic complex oxidoreductase complex transferase complex pyruvate dehydrogenase complex acetyltransferase complex alpha-ketoacid dehydrogenase complex cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane protein-containing complex catalytic complex oxidoreductase complex transferase complex pyruvate dehydrogenase complex acetyltransferase complex alpha-ketoacid dehydrogenase complex glycine cleavage complex oxoglutarate dehydrogenase complex tricarboxylic acid cycle heteromeric enzyme complex
A	Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex	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 anion binding lipid binding lipoic acid binding carboxylic acid binding heterocyclic compound 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 anion binding lipid binding lipoic acid binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding small molecule binding sulfur compound binding catalytic activity, acting on a protein dihydrolipoyllysine-residue acetyltransferase activity S-acetyltransferase activity S-acyltransferase 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 amide metabolic process phosphorus metabolic process nucleoside phosphate metabolic process pyruvate metabolic process carboxylic acid metabolic process pyruvate decarboxylation to acetyl-CoA primary metabolic process amide biosynthetic 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 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
B, C	IPR004099	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	Domain
B, C	IPR006258	Dihydrolipoamide dehydrogenase	Family
B, C	IPR001100	Pyridine nucleotide-disulphide oxidoreductase, class I	Family
B, C	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
B, C	IPR016156	FAD/NAD-linked reductase, dimerisation domain superfamily	Homologous Superfamily
B, C	IPR023753	FAD/NAD(P)-binding domain	Domain
B, C	IPR050151	Class-I pyridine nucleotide-disulfide oxidoreductase	Family
B, C	IPR012999	Pyridine nucleotide-disulphide oxidoreductase, class I, active site	Active Site
A	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
A	IPR023213	Chloramphenicol acetyltransferase-like domain superfamily	Homologous Superfamily
A	IPR006256	Dihydrolipoamide acetyltransferase pyruvate dehydrogenase complex	Family
A	IPR036625	E3-binding domain superfamily	Homologous Superfamily
A	IPR050743	2-oxoacid dehydrogenase family, E2 component	Family
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

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.