L-cysteate sulfo-lyase
| L-cysteate sulfo-lyase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 4.4.1.25 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
In enzymology, a L-cysteate sulfo-lyase (EC 4.4.1.25) is an enzyme that catalyzes the chemical reaction
- L-cysteate + H2O pyruvate + bisulfite + NH3
Thus, the two substrates of this enzyme are L-cysteate and H2O, whereas its 3 products are pyruvate, bisulfite, and NH3.
This enzyme belongs to the family of lyases, specifically the class of carbon-sulfur lyases. The systematic name of this enzyme class is L-cysteate bisulfite-lyase (deaminating; pyruvate-forming). Other names in common use include L-cysteate sulfo-lyase (deaminating), and CuyA.
References
- Denger K, Smits TH, Cook AM (2006). "L-cysteate sulpho-lyase, a widespread pyridoxal 5'-phosphate-coupled desulphonative enzyme purified from Silicibacter pomeroyi DSS-3(T)". Biochem. J. 394 (Pt 3): 657–64. doi:10.1042/BJ20051311. PMC 1383715
. PMID 16302849.
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