PYRUVATE DEHYDROGENASE COMPLEX
\pˈa͡ɪɹuːvˌe͡ɪt dˌiːha͡ɪdɹˈə͡ʊd͡ʒne͡ɪs kˈɒmplɛks], \pˈaɪɹuːvˌeɪt dˌiːhaɪdɹˈəʊdʒneɪs kˈɒmplɛks], \p_ˈaɪ_ɹ_uː_v_ˌeɪ_t d_ˌiː_h_aɪ_d_ɹ_ˈəʊ_dʒ_n_eɪ_s k_ˈɒ_m_p_l_ɛ_k_s]\
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A multienzyme complex responsible for the formation of ACETYL COENZYME A from pyruvate. The enzyme components are PYRUVATE DEHYDROGENASE C (LIPOAMIDE), dihydrolipoamide acetyltransferase and LIPOAMIDE DEHYDROGENASE. Pyruvate dehydrogenase complex is subject to three types of control: inhibited by acetyl-CoA and NADH; influenced by the energy state of the cell; and inhibited when a specific serine residue in the pyruvate decarboxylase is phoshorylated by ATP. PYRUVATE DEHYDROGENASE (LIPOAMIDE)-PHOSPHATASE catalyzes reactivation of the complex. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed)
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Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.
Nearby Words
- pyruvate carboxylase deficiency disease
- pyruvate decarboxylase
- pyruvate decarboxylase (lipoamide)
- pyruvate dehydrogenase (lipoamide)
- pyruvate dehydrogenase (lipoamide) phosphatase
- Pyruvate Dehydrogenase Complex
- pyruvate dehydrogenase complex deficiency disease
- pyruvate dehydrogenase component e1
- pyruvate dehydrogenase e1
- pyruvate dehydrogenase phosphatase
- pyruvate dehydrogenase phosphate phosphatase