Suggested Reaction 1.14.11.-

Left

3alpha,7alpha-Dihydroxy-5beta-cholest-24-enoyl-CoA
+O2
+2-Ketoglutaric acid

Right

3alpha,7alpha,12alpha-Trihydroxy-5beta-cholest-24-enoyl-CoA
+CO2
+Butanedionic acid
[BiSSCat | GREP ]