ACV synthetase
ACV synthetase (ACVS, L-δ-(α-aminoadipoyl)-L-cysteinyl-D-valine synthetase, N-(5-amino-5-carboxypentanoyl)-L-cysteinyl-D-valine synthase, EC 6.3.2.26) is an enzyme that catalyzes the chemical reaction
- 3 ATP + L-2-aminohexanedioate + L-cysteine + L-valine + H2O 3 AMP + 3 PPi + N-[L-5-amino-5-carboxypentanoyl]-L-cysteinyl-D-valine
| N-(5-amino-5-carboxypentanoyl)-L-cysteinyl-D-valine synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 6.3.2.26 | ||||||||
| CAS number | 57219-73-5 | ||||||||
| 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 | ||||||||
| |||||||||
The five substrates of this enzyme are ATP, L-2-aminohexanedioate, L-cysteine, L-valine, and H2O, whereas its three products are AMP, diphosphate, and N-[L-5-amino-5-carboxypentanoyl]-L-cysteinyl-D-valine.
ACVS is an example of a nonribosomal peptide synthetase (NRPS). It participates in penicillin and cephalosporin biosyntheses.
References
- Byford MF, Baldwin JE, Shiau CY, Schofield CJ (1997). "The Mechanism of ACV Synthetase". Chem. Rev. 97 (7): 2631–2650. doi:10.1021/cr960018l. PMID 11851475.
- Theilgaard HB, Kristiansen KN, Henriksen CM, Nielsen J (1997). "Purification and characterization of delta-(L-alpha-aminoadipyl)-L-cysteinyl-D-valine synthetase from Penicillium chrysogenum". Biochem. J. 327 (Pt 1): 185–91. doi:10.1042/bj3270185. PMC 1218779. PMID 9355751.
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