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solute carrier family 27 member 5 (SLC27A5, long-chain fatty acid transport protein 5, bile acyl-CoA synthetase, BACS, bile acid CoA ligase, BA-CoA ligase, BAL, cholate-CoA ligase, very long-chain acyl-CoA synthetase homolog 2, VLCSH2, VLCS-H2, very long chain acyl-CoA synthetase-related protein, VLACS-related, VLACSR, fatty-acid-coenzyme A ligase, very long-chain 3, fatty acid transport protein 5, FATP-5)
Function:
- acyl-CoA synthetase involved in bile acid metabolism
- catalyzes 1st step in the conjugation of C24 bile acids (choloneates) to glycine & taurine before excretion into bile canaliculi by activating them to their CoA thioesters
- seems to activate secondary bile acids entering the liver from the enterohepatic circulation
- in vitro, also activates 3-alpha,7-alpha,12-alpha-trihydroxy- 5-beta-cholestanate (THCA), the C27 precursor of cholic acid derived from de novo synthesis from cholesterol
ATP + cholate + CoA AMP + diphosphate + choloyl-CoA
ATP + (25R)-3-alpha,7-alpha,12-alpha-trihydroxy-5-beta-cholestan-26-oate + CoA
AMP + diphosphate + (25R)-3-alpha,7-alpha,12-alpha-trihydroxy-5-beta-cholestanoyl-CoA
Structure:
- belongs to the ATP-dependent AMP-binding enzyme family
Compartment: endoplasmic reticulum membrane
Expression: predominantly expressed in liver
General
ligase or synthetase
solute carrier family 27 (SLC27, SLC27A)
transmembrane 3 protein
Properties
SIZE: MW = 75 kD
entity length = 690 aa
COMPARTMENT: cellular membrane
MOTIF: cytoplasmic domain {1-8}
transmembrane domain {9-29}
exoplasmic loop {30-30}
transmembrane domain {31-51}
cytoplasmic domain {52-690}
MOTIF: membrane region {56-76}
Database Correlations
OMIM 603314
UniProt Q9Y2P5
Pfam PF00501
Kegg hsa:1099
ENZYME 6.2.1.7
References
UniProt :accession Q9Y2P5