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cysteine metabolism

State Icon Reaction EC-Number Confidence maximal confidence score from EnzymeDetector
L-cysteine_sulfinic_acid + 2-oxoglutarate <=> 2-oxo-3-sulfinopropionate + L-glutamate 2.6.1
2.6.1.1 aspartate transaminase
2.6.1.3 cysteine transaminase
2.6.1.75 cysteine-conjugate transaminase




H2O + D-cysteine <=> NH3 + pyruvate + Sulfide 4.4.1.15 D-cysteine desulfhydrase

L-cysteic_acid + H2O <=> sulfite + pyruvate + NH3 + H+ 4.4.1.25 L-cysteate sulfo-lyase

O-acetyl-L-serine + Sulfide <=> L-cysteine + acetate + H+ 2.5.1.47 cysteine synthase
2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase
2.5.1.65 O-phosphoserine sulfhydrylase
4.2.1.22 cystathionine beta-synthase
4.2.1.50 pyrazolylalanine synthase
4.4.1.9 L-3-cyanoalanine synthase






L-cysteine + NAD+ <=> H+ + L-cystine + NADH 1.8.1.6 cystine reductase

L-serine + acetyl-CoA <=> O-acetyl-L-serine + CoA 2.3.1.30 serine O-acetyltransferase

O-phospho-L-serine + Sulfide <=> L-cysteine + phosphate 2.5.1.47 cysteine synthase
2.5.1.65 O-phosphoserine sulfhydrylase


L-serine + L-homocysteine <=> L-cystathionine + H2O 2.5.1.47 cysteine synthase
4.2.1.22 cystathionine beta-synthase


H+ + sulfite + L-cysteine <=> Sulfide + L-cysteic_acid 4.4.1.10 cysteine lyase

L-cystine + glutathione <=> GSSG + L-cysteine 1.8.1.6 cystine reductase
1.8.4.4 glutathione---cystine transhydrogenase
1.8.4.9 adenylyl-sulfate reductase (glutathione)



2-oxo-3-sulfinopropionate + H2O <=> H+ + sulfite + pyruvate 0.0.0.0
3.13.1


3-Mercaptopyruvate + cyanide <=> pyruvate + thiocyanate 2.8.1.2 3-mercaptopyruvate sulfurtransferase

O2 + L-cysteine <=> H+ + L-cysteine_sulfinic_acid 1.13.11.20 cysteine dioxygenase
1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase


O-acetyl-L-homoserine + Sulfide <=> H+ + L-homocysteine + acetate 2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase

tRNAMet + L-cysteine + ATP <=> L-cysteinyl-[tRNACys] + diphosphate + AMP 6.1.1.15 proline---tRNA ligase
6.1.1.16 cysteine---tRNA ligase


L-cystathionine + H2O <=> L-cysteine + 2-oxobutyrate + NH3 2.5.1.48 cystathionine gamma-synthase
4.4.1.1 cystathionine gamma-lyase


L-cysteine + 2-oxoglutarate <=> 3-Mercaptopyruvate + L-glutamate 2.6.1.1 aspartate transaminase
2.6.1.3 cysteine transaminase
2.6.1.5 tyrosine transaminase



L-cysteine + H2O <=> pyruvate + Sulfide + NH3 4.4.1.1 cystathionine gamma-lyase
4.4.1.11 methionine gamma-lyase
4.4.1.13 cysteine-S-conjugate beta-lyase
4.4.1.28 L-cysteine desulfidase
4.4.1.3 dimethylpropiothetin dethiomethylase





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