Universal:CYSDS
- Cysteine Desulfhydrase
-
h2o_c + cys__L_c ⇌ nh4_c + h_c + pyr_c + h2s_c h2o_c:0 + cys__L_c:0 ⇌ nh4_c:1 + h_c:1 + pyr_c:-1 + h2s_c:-1 h2o_c:0 + cys__L_c:0 ⇌ nh4_c:1 + pyr_c:-1 + h2s_c:0
RHEA:24931
- L-cysteine + H2O = hydrogen sulfide + pyruvate + NH4(+) + H(+)
- View on RHEA
Properties
- Names: L-Cysteine hydrogen-sulfide-lyase (deaminating; pyruvate-forming)[1,3], Cysteine Desulfhydrase[1,2,3,4], L-Cysteine L-homocysteine-lyase (deaminating)[1,2,3,4], L-Cysteine hydrogen-sulfide-lyase (deaminating[1,2,3,4], pyruvate-forming)[1,2,3,4], Tryptophanase (L-cysteine)[1,2,3,4], cystathionine beta-lyase[1,2,3,4]
Reaction Participants
| Stoich. | BiGG ID | Name | Reference | x [side] | Compartment | |
|---|---|---|---|---|---|---|
 |
-1 | h2o_c | water | CHEBI:15377 | 1 [L] | 0 |
|
-1 | cys__L_c | L-cysteine zwitterion | CHEBI:35235, CHEBI:17561 | 1 [L] | 0 |
 |
1 | nh4_c | ammonium | CHEBI:28938 | 1 [R] | 0 |
|
1 | h_c | hydron | CHEBI:15378 | 1 [R] | 0 |
|
1 | pyr_c | pyruvate | CHEBI:15361 | 1 [R] | 0 |
|
1 | h2s_c | hydrosulfide | CHEBI:29919 | 1 [R] | 0 |