mccB
K17217 mccB; cystathionine gamma-lyase / homocysteine desulfhydrase [EC:4.4.1.1 4.4.1.2]
Protein Function: cystathionine gamma-lyase / homocysteine desulfhydrase [EC:4.4.1.1 4.4.1.2]
DBLinks
Proteins
| protein id | name | function | taxonomy source |
|---|
Reactions
| reaction id | name | note |
|---|---|---|
| KEGG:R00782 | L-cysteine hydrogen-sulfide-lyase (deaminating; pyruvate-forming) | L-Cysteine + H2O <=> Hydrogen sulfide + Pyruvate + Ammonia |
| KEGG:R01001 | L-cystathionine cysteine-lyase (deaminating; 2-oxobutanoate-forming) | multi-step reaction (see R08632+R08637) |
| KEGG:R02408 | L-cystine thiocysteine-lyase (deaminating; pyruvate-forming) | L-Cystine + H2O <=> Pyruvate + Ammonia + Thiocysteine |
| KEGG:R04770 | selenomethionine methanethiol-lyase (deaminating) | L-Selenomethionine + H2O <=> Methaneselenol + Ammonia + 2-Oxobutanoate |
| KEGG:R04930 | selenocystathionine lysteine-lyase (deaminating) | L-Selenocystathionine + H2O <=> L-Selenocysteine + Ammonia + 2-Oxobutanoate |
| KEGG:R08632 | L-cystathionine cysteine-lyase | a part of multi-step reaction (R01001, R08632+R08637) |
| KEGG:R09366 | Se-methyl-L-selenocysteine methaneselenol-lyase (deaminating; pyruvate-forming) | Se-Methyl-L-selenocysteine + H2O <=> Pyruvate + Ammonia + Methaneselenol |
| BioCyc:LCYSDESULF-RXN | CYS + WATER --> PYRUVATE + AMMONIUM + HS | This reaction is part of L-cysteine catabolism. |
| Rhea:RHEA:14006 | L,L-cystathionine + H2O => 2-oxobutanoate + L-cysteine + NH4+ | Multi-step reaction: RHEA:24910 + RHEA:39967 + RHEA:39975. |
| Rhea:RHEA:14007 | 2-oxobutanoate + L-cysteine + NH4+ => L,L-cystathionine + H2O | Multi-step reaction: RHEA:24910 + RHEA:39967 + RHEA:39975. |