In enzymology, a biotinâÂÂ[methylmalonyl-CoA-carboxytransferase] ligase () is an enzyme that catalyzes the chemical reaction
The 3 substrates of this enzyme are ATP, biotin, and ], whereas its 3 products are AMP, diphosphate, and .
This enzyme belongs to the family of ligases, specifically those forming generic carbon-nitrogen bonds. The systematic name of this enzyme class is biotin:apo[methylmalonyl-CoA:pyruvate carboxytransferase] ligase (AMP-forming). This enzyme participates in biotin metabolism.