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4.4.1.13 |
| Description |
Cysteine-S-conjugate beta-lyase |
| Alternative names |
Alkyl cysteine lyase.
Alkylcysteine lyase.
Cystathionine beta-lyase.
Cystine lyase.
L-cysteine-S-conjugate thiol-lyase (deaminating).
S-alkyl-L-cysteine lyase.
S-alkyl-L-cysteine sulfoxide lyase.
S-alkylcysteinase.
S-alkylcysteine lyase.
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| Catalyzed reaction |
RS-CH(2)-CH(NH(3)(+))COO(-) = RSH + NH(3) + pyruvate. |
| Cofactor |
Pyridoxal-phosphate. |
| Comments |
-!- R may represent aromatic compounds such as 4-bromobenzene and 2,4-dinitrobenzene. |
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Several PLP-dependent enzymes (mainly aminotransferases) show this activity, possibly as a side reaction.
In the public databases, sequences explicitly associated with this function also show kynurenine aminotransferase (EC 2.6.1.7) and glutamine-phenylpyruvate transaminase (EC 2.6.1.64) activities. These sequences have been included in the 2.6.1.7 family. |
| Organisms |
-Eubacteria -Plants -Fungi -Metazoa |
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| Links |
Enzyme (activities) 4.4.1.13
BRENDA (activities) 4.4.1.13
KEGG (pathways) 4.4.1.13
PLPMDB (PLP mutants) 4.4.1.13
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| References |
Articles on 4.4.1.13 |
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| last changed |
2019/01/31 11:30 |
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