L-cysteate sulfo-lyase
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Template:Short description Template:Infobox enzyme
The enzyme L-cysteate sulfo-lyase (EC 4.4.1.25) catalyzes the reaction
- L-cysteate + H2O = hydrogensulfite + pyruvate + NH3 (overall reaction)
- (1a) L-cysteate = hydrogensulfite + 2-aminoprop-2-enoate
- (1b) 2-aminoprop-2-enoate = 2-iminopropanoate (spontaneous)
- (1c) 2-iminopropanoate + H2O = pyruvate + NH3 (spontaneous)
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
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