Propanoyl-CoA C-acyltransferase

In enzymology, a propanoyl-CoA C-acyltransferase (EC 2.3.1.176) is an enzyme that catalyzes the chemical reaction

3alpha,7alpha,12alpha-trihydroxy-5beta-cholanoyl-CoA + propanoyl-CoA CoA + 3alpha,7alpha,12alpha-trihydroxy-24-oxo-5beta-cholestanoyl-CoA
Propanoyl-CoA C-acyltransferase
Identifiers
EC number2.3.1.176
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Thus, the two substrates of this enzyme are 3alpha,7alpha,12alpha-trihydroxy-5beta-cholanoyl-CoA and propanoyl-CoA, whereas its two products are CoA and 3alpha,7alpha,12alpha-trihydroxy-24-oxo-5beta-cholestanoyl-CoA.

This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is 3alpha,7alpha,12alpha-trihydroxy-5beta-cholanoyl-CoA:propanoyl-CoA C-acyltransferase. Other names in common use include peroxisomal thiolase 2, sterol carrier protein-, SCP, and PTE-2 (ambiguous). This enzyme participates in ppar signaling pathway.

Propanoyl-CoA C-acyltransferase belongs to the thiolase family of enzymes.

References

    • Pedersen JI, Gustafsson J (1980). "Conversion of 3 alpha, 7 alpha, 12 alpha-trihydroxy-5 beta-cholestanoic acid into cholic acid by rat liver peroxisomes". FEBS Lett. 121 (2): 345–8. doi:10.1016/0014-5793(80)80377-2. PMID 7461136.
    • Kase F, Bjorkhem I, Pedersen JI (1983). "Formation of cholic acid from 3 alpha, 7 alpha, 12 alpha-trihydroxy-5 beta-cholestanoic acid by rat liver peroxisomes". J. Lipid Res. 24 (12): 1560–7. PMID 6668450.
    • Russell DW (2003). "The enzymes, regulation, and genetics of bile acid synthesis". Annu. Rev. Biochem. 72: 137–74. doi:10.1146/annurev.biochem.72.121801.161712. PMID 12543708.
    • Falany CN, Johnson MR, Barnes S, Diasio RB (1994). "Glycine and taurine conjugation of bile acids by a single enzyme Molecular cloning and expression of human liver bile acid CoA:amino acid N-acyltransferase". J. Biol. Chem. 269 (30): 19375–9. PMID 8034703.


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