IUBMB Enzyme Nomenclature


Accepted name: methylcrotonoyl-CoA carboxylase

Reaction: ATP + 3-methylcrotonoyl-CoA + HCO3- = ADP + phosphate + 3-methylglutaconyl-CoA

Other name(s): methylcrotonyl coenzyme A carboxylase; β-methylcrotonyl coenzyme A carboxylase; β-methylcrotonyl CoA carboxylase; methylcrotonyl-CoA carboxylase

Systematic name: 3-methylcrotonoyl-CoA:carbon-dioxide ligase (ADP-forming)

Comments: A biotinyl-protein.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9023-95-4


1. Knappe, J., Schlegel, H.-G. and Lynen, F. Zur biochemischen Funktion des Biotins. I. Die Beteilligung der β-Methyl-crotonyl-Carboxylase an der Bildung von β-Hydroxy-β-methyl-glutaryl-CoA from β-Hydroxy-isovaleryl-CoA. Biochem. Z. 335 (1961) 101-122.

2. Lynen, F., Knappe, J., Lorch, E., Jütting, G., Ringelmann, E. and Lachance, J.-P. Zur biochemischen Funktion des Biotins. II. Reinigung und Wirkungsweise der β-Methyl-crotonyl-Carboxlase. Biochem. Z. 335 (1961) 123-166.

3. Rilling, H.C. and Coon, M.J. The enzymatic isomerization of α-methylvinylacetyl coenzyme A and the specificity of a bacterial α-methylcrotonyl coenzyme A carboxylase. J. Biol. Chem. 235 (1960) 3087-3092.

4. Vagelos, P. Regulation of fatty acid biosynthesis. Curr. Top. Cell. Regul. 4 (1971) 119-166.

[EC created 1961]

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