| 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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| History |
EC 4.4.1.10 created 1972
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| Pathway |
| ec00270 | Cysteine and methionine metabolism |
| ec00430 | Taurine and hypotaurine metabolism |
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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 |
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| Other DBs |
| ExplorEnz - The Enzyme Database: | 4.4.1.10 |
| ExPASy - ENZYME nomenclature database: | 4.4.1.10 |
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| LinkDB |
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