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DraconiticBiochemistryBiomolecules · Catabolism · Biosynthesis · MetabolismMap
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Cysteine is degraded to pyruvate and H2S

H2O + L-Cys → H+ + NH4+ + PYR + H2S

Reactome
R-HSA-1614614
Compartment
cytosol
Rhea
RHEA:24932

Inputs

Outputs

Catalysed by

  • carbon-sulfur lyase activity of PXLP-K212-CTH tetramer [cytosol]EC 4.4

Literature

  1. H2S biogenesis by human cystathionine gamma-lyase leads to the novel sulfur metabolites lanthionine and homolanthionine and is responsive to the grade of hyperhomocysteinemia J Biol Chem, 2009
  2. Kinetics and inhibition of recombinant human cystathionine gamma-lyase. Toward the rational control of transsulfuration J Biol Chem, 1999