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ACACA Q13085

乙酰辅酶A羧化酶1 (ACC1) (EC 6.4.1.2) (乙酰辅酶A羧化酶α) (ACC-α)

蛋白质信息 (UniProt)

乙酰辅酶A羧化酶1 (ACC1) (EC 6.4.1.2) (乙酰辅酶A羧化酶α) (ACC-α)

Q13085

功能描述

胞质酶,催化乙酰CoA羧化生成丙二酰CoA,这是脂肪酸从头生物合成的第一步也是限速步骤 (PubMed:20457939, PubMed:20952656, PubMed:29899443)。这是一个两步反应,首先是生物素羧基载体 (BCC) 结构域所携带生物素的ATP依赖性羧化,随后是将羧基从羧化生物素转移至乙酰CoA (PubMed:20457939, PubMed:20952656, PubMed:29899443)。 {ECO:0000269|PubMed:20457939, ECO:0000269|PubMed:20952656, ECO:0000269|PubMed:29899443}。

组织特异性

Expressed in brain, placenta, skeletal muscle, renal, pancreatic and adipose tissues; expressed at low level in pulmonary tissue; not detected in the liver.

亚细胞定位

Cytoplasm, cytosol

关键词

3D-structure Acetylation Allosteric enzyme Alternative promoter usage ATP-binding Biotin Cytoplasm Direct protein sequencing Fatty acid biosynthesis Fatty acid metabolism