COMPARTMENTS

ACACB [ENSP00000341044]

Acetyl-CoA carboxylase 2; Mitochondrial enzyme that catalyzes the carboxylation of acetyl-CoA to malonyl-CoA and plays a central role in fatty acid metabolism (PubMed:16854592, PubMed:19236960, PubMed:20457939, PubMed:20952656, PubMed:19900410, PubMed:26976583). Catalyzes a 2 steps reaction starting with the ATP-dependent carboxylation of the biotin carried by the biotin carboxyl carrier (BCC) domain followed by the transfer of the carboxyl group from carboxylated biotin to acetyl-CoA . Through the production of malonyl-CoA that allosterically inhibits carnitine palmitoyltransferase 1 at the mitochondria, negatively regulates fatty acid oxidation (By similarity). Together with its cytosolic isozyme ACACA, which is involved in de novo fatty acid biosynthesis, promotes lipid storage (By similarity). ECO:0000269|PubMed:19236960, ECO:0000269|PubMed:19900410, ECO:0000269|PubMed:20457939, ECO:0000269|PubMed:20952656,

Synonyms:  ACACB,  A0A087WUA1,  F5H5C3,  F8W8T8,  H0YGH5 ...

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