background:
Acetyl-CoA carboxylase (ACC) is a complex multifunctional enzyme system. ACC is a biotin-containing enzyme which catalyzes the carboxylation of acetyl-CoA to malonyl-CoA, the rate-limiting step in fatty acid synthesis. There are two ACC forms, alpha and beta, encoded by two different genes. ACSLCalpha is highly enriched in lipogenic tissues. The enzyme is under long term control at the transcriptional and translational levels and under short term regulation by the phosphorylation/dephosphorylation of targeted serine residues and by allosteric transformation by citrate or palmitoyl-CoA. Multiple alternatively spliced transcript variants divergent in the 5' sequence and encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008].
Function:
ACSLCbeta may be involved in the provision of malonyl-CoA or in the regulation of fatty acid oxidation, rather than fatty acid biosynthesis. Carries out three functions: biotin carboxyl carrier protein, biotin carboxylase and carboxyltransferase.
Subunit:
Monomer, homodimer, and homotetramer. Can form filamentous polymers. Interacts with MID1IP1; interaction with MID1IP1 promotes oligomerization and increases its activity.
Subcellular Location:
Endomembrane system. Note=May associate with membranes.
Tissue Specificity:
Predominantly expressed in the heart, skeletal muscles and liver.
Similarity:
Contains 1 ATP-grasp domain.
Contains 1 biotin carboxylation domain.
Contains 1 biotinyl-binding domain.
Contains 1 carboxyltransferase domain.
Database links:
Entrez Gene: 31 Human
Entrez Gene: 32 Human
Entrez Gene: 100705 Mouse
Entrez Gene: 107476 Mouse
Entrez Gene: 116719 Rat
Entrez Gene: 60581 Rat
Omim: 200350 Human
Omim: 601557 Human
SwissProt: O00763 Human
SwissProt: Q13085 Human
SwissProt: Q5SWU9 Mouse
SwissProt: O70151 Rat
SwissProt: P11497 Rat
Unigene: 160556 Human
Unigene: 234898 Human
Unigene: 44372 Rat
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
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