| Entry |
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| Name |
cysteine lyase;
cysteine (sulfite) lyase;
L-cysteine hydrogen-sulfide-lyase (adding sulfite)
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| Class |
Lyases;
Carbon-sulfur lyases;
Carbon-sulfur lyases (only sub-subclass identified to date)
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| Sysname |
L-cysteine hydrogen-sulfide-lyase (adding sulfite; L-cysteate-forming)
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| Reaction(IUBMB) |
L-cysteine + sulfite = L-cysteate + hydrogen sulfide [RN: R00901]
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| Reaction(KEGG) |
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| Substrate |
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| Product |
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| Comment |
A pyridoxal-phosphate protein. Can use a second molecule of cysteine (producing lanthionine), or other alkyl thiols, as a replacing agent.
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| Pathway |
| Cysteine and methionine metabolism | | Taurine and hypotaurine metabolism | | Metabolic pathways |
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| Reference |
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| Authors |
Tolosa EA, Chepurnova NK, Khomutov RM, Severin ES. |
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| Title |
Reactions catalysed by cysteine lyase from the yolk sac of chicken embryo. |
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| Journal |
Biochim. Biophys. Acta. 171 (1969) 369-71. |
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| Organism |
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| Other DBs |
ExplorEnz - The Enzyme Database: IUBMB Enzyme Nomenclature: ExPASy - ENZYME nomenclature database: BRENDA, the Enzyme Database: CAS: 9079-86-1 |
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