Term Information

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Accession
GO:0045254
Name
pyruvate dehydrogenase complex
Ontology
cellular_component
Synonyms
pyruvate dehydrogenase complex (lipoamide)
Alternate IDs
GO:0009364
Definition
A multi-enzyme complex that catalyzes the oxidative decarboxylation of pyruvate to form acetyl-CoA. The complex comprises multiple copies of three enzymes referred to as E1, E2 and E3: pyruvate dehydrogenase (E1, which may be a homodimer or a heterotetramer of two alpha and two beta subunits, depending on species), dihydrolipoamide S-acetyltransferase (E2), and dihydrolipoamide dehydrogenase (E3). Additional proteins may also be present. Source: PMID:36863425
Comment
The catalytic activities of the individual components of this complex are represented by the molecular function terms 'pyruvate dehydrogenase (acetyl-transferring) activity ; GO:0004739' (E1), 'dihydrolipoyllysine-residue acetyltransferase activity ; GO:0004742' (E2), and 'dihydrolipoyl dehydrogenase activity ; GO:0004148' (E3). The overall catalytic activity of the complex is represented by the molecular function term 'pyruvate dehydrogenase (NAD+) activity ; GO:0034604'.
History
See term history for GO:0045254 at QuickGO
Chem. react.
None
Subset
goslim_pir
Include "regulates"
For more information, please see the ontology relation documentation.

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Parents of pyruvate dehydrogenase complex (GO:0045254)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
pyruvate dehydrogenase complex [is_a relation] is_a  alpha-ketoacid dehydrogenase complex (GO:0045240)
pyruvate dehydrogenase complex [RO:0002215 relation] RO:0002215  pyruvate dehydrogenase (NAD+) activity (GO:0034604)

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