Biology:Biotin—(methylcrotonoyl-CoA-carboxylase) ligase
| biotin-[methylcrotonoyl-CoA-carboxylase] ligase | |||||||||
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| Identifiers | |||||||||
| EC number | 6.3.4.11 | ||||||||
| CAS number | 37318-68-6 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
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In enzymology, a biotin-[methylcrotonoyl-CoA-carboxylase] ligase (EC 6.3.4.11) is an enzyme that catalyzes the chemical reaction
- ATP + biotin + apo-[3-methylcrotonoyl-CoA:carbon-dioxide ligase (ADP-forming)] [math]\displaystyle{ \rightleftharpoons }[/math] AMP + diphosphate + [3-methylcrotonoyl-CoA:carbon-dioxide ligase (ADP-forming)]
The 3 substrates of this enzyme are ATP, biotin, and apo-[3-methylcrotonoyl-CoA:carbon-dioxide ligase (ADP-forming)], whereas its 3 products are AMP, diphosphate, and 3-methylcrotonoyl-CoA:carbon-dioxide ligase (ADP-forming).
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-[3-methylcrotonoyl-CoA:carbon-dioxide ligase (ADP-forming)] ligase (AMP-forming). Other names in common use include biotin-[methylcrotonoyl-CoA-carboxylase] synthetase, biotin-beta-methylcrotonyl coenzyme A carboxylase synthetase, beta-methylcrotonyl coenzyme A holocarboxylase synthetase, and holocarboxylase-synthetase. This enzyme participates in biotin metabolism.
References
- "[Synthesis of biotin in beta-methylcrotonyl-CoA-carboxylase by holocarboxylase synthetase]". Biochem. Z. 342 (2): 190–206. 1965. PMID 5867144.
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