3-chloro-D-alanine dehydrochlorinase EC#: 4.5.1.2; ChemWhat Code: 1382959
| Product Name | 3-chloro-D-alanine dehydrochlorinase |
| Example Structure |  |
| Synonyms | 3-chloro-D-alanine chloride-lyase, beta-chloro-D-alanine dehydrochlorinase, DCyD |
| EC Number | 4.5.1.2 |
| CAS Registry Number | 78990-65-5 |
| Comments | A pyridoxal-phosphate protein. The enzyme cleaves a carbon-chlorine bond, releasing a chloride and an unstable enamine product that tautomerizes to an imine form, which undergoes a hydrolytic deamination to form pyruvate and ammonia. The latter reaction, which can occur spontaneously, can also be catalysed by EC?3.5.99.10, 2-iminobutanoate/2-iminopropanoate deaminase. The enzyme’s activity can also result in ¦Â-replacement reactions, e.g. in the presence of hydrogen sulfide it can convert 3-chloro-D-alanine into?D-cysteine and chloride. |
| Cofactor | pyridoxal 5′-phosphate |
| History | |
| Reactions | 3-chloro-D-alanine + H(2)O = pyruvate + chloride + NH(3). |
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