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Your translated search: L-cysteine = 277 reactions were found.
State Icon Reaction EC-Number Conf. maximal confidence score from EnzymeDetector PW
L-glutamate + L-cysteine + ATP <=> gamma-Glu-L-Cys + ADP + phosphate + H+ 6.3.2.2 glutamate---cysteine ligase
–
BMK
L-cystathionine + H2O <=> L-cysteine + 2-oxobutyrate + NH3 2.5.1.48 cystathionine gamma-synthase
4.4.1.1 cystathionine gamma-lyase
–
–
BMK
H+ + sulfite + L-cysteine <=> Sulfide + L-cysteic_acid 4.4.1.10 cysteine lyase
–
BK
L-cysteine + cyanide <=> H+ + Sulfide + Beta-cyanoalanine 2.5.1.47 cysteine synthase
2.8.1.1 thiosulfate sulfurtransferase
4.4.1.9 L-3-cyanoalanine synthase
–
–
–
MK
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)
–
–
–
BK
H2O + O2 + an_S-prenyl-L-cysteine <=> 3-methylbut-2-enal + H2O2 + L-cysteine 1.8.3.5 prenylcysteine oxidase
–
O2 + L-cysteine <=> H+ + L-cysteine_sulfinic_acid 1.13.11.20 cysteine dioxygenase
1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase
–
–
BMK
L-2-aminoadipate + L-cysteine + L-valine + ATP + H2O <=> H+ + N-[(5S)-5-amino-5-carboxypentanoyl]-L-cysteinyl-D-valine + AMP + diphosphate 6.3.2.26 N-(5-amino-5-carboxypentanoyl)-L-cysteinyl-D-valine synthase
–
MK
L-cysteine + NAD+ <=> H+ + L-cystine + NADH 1.8.1.6 cystine reductase
–
BK
tRNAMet + L-cysteine + ATP <=> L-cysteinyl-[tRNACys] + diphosphate + AMP 6.1.1.15 proline---tRNA ligase
6.1.1.16 cysteine---tRNA ligase
–
–
BMK
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
–
–
–
–
–
–
BMK
O-succinyl-L-homoserine + L-cysteine <=> L-cystathionine + succinate + H+ 2.5.1.48 cystathionine gamma-synthase
–
BMK
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
–
–
–
BMK
(R)-4''-phosphopantothenate + L-cysteine + CTP <=> H+ + (R)-4''-phosphopantothenoyl-L-cysteine + diphosphate + CMP 6.3.2.5 phosphopantothenate---cysteine ligase (CTP)
–
BMK
1-O-(2-amino-2-deoxy-alpha-D-glucopyranosyl)-1D-myo-inositol + L-cysteine + ATP <=> H+ + desacetylmycothiol + AMP + diphosphate 6.3.1.13 L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside ligase
–
M
O-phospho-L-serine + Sulfide <=> L-cysteine + phosphate 2.5.1.47 cysteine synthase
2.5.1.65 O-phosphoserine sulfhydrylase
–
–
BMK
S-(2E,6E)-farnesyl-L-cysteine + O2 + H2O <=> (2E,6E)-farnesal + L-cysteine + H2O2 1.8.3.5 prenylcysteine oxidase
1.8.3.6 farnesylcysteine lyase
–
–
MK
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
–
–
–
–
–
BMK
L-cysteine <=> 2-aminoacrylate + Sulfide 4.4.1.28 L-cysteine desulfidase
–
M
L-cystathionine <=> L-cysteine + 2-aminobut-2-enoate + H+ 4.4.1.1 cystathionine gamma-lyase
–
hercynine + L-cysteine + O2 <=> S-(hercyn-2-yl)-L-cysteine_S-oxide + H2O 1.14.99.51 hercynylcysteine S-oxide synthase
–
MK
L-histidine + L-cysteine + O2 <=> S-(L-histidin-5-yl)-L-cysteine_S-oxide + H2O 1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase
–
(R)-4''-phosphopantothenate + L-cysteine + ATP <=> H+ + (R)-4''-phosphopantothenoyl-L-cysteine + diphosphate + AMP 6.3.2.51 phosphopantothenate---cysteine ligase (ATP)
–
MK
L-cystathionine + H2O <=> L-cysteine + L-homoserine 4.4.1.1 cystathionine gamma-lyase
–
L-cysteine + H2O <=> L-serine + Sulfide 2.5.1.47 cysteine synthase
2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase
4.2.1.22 cystathionine beta-synthase
–
–
–
MK
L-cysteine + O-phospho-L-homoserine <=> L-cystathionine + phosphate 2.5.1.48 cystathionine gamma-synthase
–
BM
Cys-Gly + H2O <=> L-cysteine + glycine 3.4.11.1 leucyl aminopeptidase
3.4.11.10 bacterial leucyl aminopeptidase
3.4.11.2 membrane alanyl aminopeptidase
3.4.11.23 PepB aminopeptidase
3.4.11.6 aminopeptidase B
3.4.13
3.4.13.18 cytosol nonspecific dipeptidase
3.4.13.23 cysteinylglycine-S-conjugate dipeptidase
–
–
–
–
–
–
–
–
BMK
ATP + L-cysteine + H2O <=> ADP + L-cysteine + phosphate + H+ 7.4.2
7.4.2.1 ABC-type polar-amino-acid transporter
–
–
L-cysteine + L-homocysteine <=> L-cystathionine + Sulfide 2.5.1.47 cysteine synthase
4.2.1.22 cystathionine beta-synthase
4.4.1.1 cystathionine gamma-lyase
–
–
–
M
L-cysteine <=> Lanthionine + Sulfide 2.5.1.47 cysteine synthase
4.2.1.22 cystathionine beta-synthase
4.4.1.1 cystathionine gamma-lyase
–
–
–
M
L-cysteine + [enzyme]-cysteine <=> L-alanine + [enzyme]-S-sulfanylcysteine 2.8.1.7 cysteine desulfurase
–
BK
gamma-Glu-L-Cys <=> 5-oxoproline + L-cysteine 4.3.2.9 gamma-glutamylcyclotransferase
–
K
O-acetyl-L-homoserine + L-cysteine <=> L-cystathionine + acetate 2.5.1.48 cystathionine gamma-synthase
–
K
L-cysteine + ''activated''_tRNA <=> L-serine + tRNA_containing_a_thionucleotide 2.8.1.4 tRNA uracil 4-sulfurtransferase
–
H+ + S-Glutathionyl-L-cysteine + NADPH <=> L-cysteine + glutathione + NADP+ 1.8.1.10 CoA-glutathione reductase
1.8.1.9 thioredoxin-disulfide reductase
1.8.4.2 protein-disulfide reductase (glutathione)
–
–
–
K
dopaquinone + L-cysteine <=> Cysteinyldopa not assigned
 –
MK
molybdenum_cofactor + L-cysteine + reduced_acceptor <=> MoOS(OH)Dtpp-mP + L-alanine + H2O + acceptor 2.8.1.9 molybdenum cofactor sulfurtransferase
–
K
(Z)-phenylacetaldoxime + O2 + L-cysteine + NADPH + H+ <=> S-(Phenylacetothiohydroximoyl)-L-cysteine + H2O + NADP+ 1.14
–
L-cysteine + acceptor <=> L-alanine + sulfhydryl_reagents 2.8.1.7 cysteine desulfurase
4.4.1.16 selenocysteine lyase
–
–
N-acetyl-L-cysteine + H2O <=> L-cysteine + acetate 3.5.1.14 N-acyl-aliphatic-L-amino acid amidohydrolase
3.5.1.15 aspartoacylase
3.5.1.16 acetylornithine deacetylase
3.5.1.32 hippurate hydrolase
–
–
–
–
Lanthionine + H2O <=> L-cysteine + NH3 + pyruvate 4.4.1.13 cysteine-S-conjugate beta-lyase
4.4.1.3 dimethylpropiothetin dethiomethylase
–
–
L-cysteine + 2-mercaptoethanol <=> S-(2-Hydroxyethyl)-L-cysteine + Sulfide 4.2.1.22 cystathionine beta-synthase
–
L-cysteine + H2O + O2 <=> 3-Mercaptopyruvate + NH3 + H2O2 1.4.3.2 L-amino-acid oxidase
–
beta-chloro-L-alanine + Sulfide <=> L-cysteine + Cl- 2.5.1.47 cysteine synthase
4.4.1.9 L-3-cyanoalanine synthase
–
–
L-glutamine + 3-Mercaptopyruvate <=> 2-Oxoglutaramate + L-cysteine 2.6.1.15 glutamine---pyruvate transaminase
–
Cys-Leu + H2O <=> L-cysteine + L-leucine 3.4.11.1 leucyl aminopeptidase
3.4.11.23 PepB aminopeptidase
–
–
Leu-Cys + H2O <=> L-leucine + L-cysteine 3.4.11.1 leucyl aminopeptidase
3.4.11.23 PepB aminopeptidase
–
–
L-cystine + NADPH + H+ <=> 2 L-cysteine + NADP+ 1.8.1.9 thioredoxin-disulfide reductase
–
(E,Z)-indolyl-3-acetaldoxime + L-cysteine + NADPH + O2 + H+ <=> S-(Indolylmethylthiohydroximoyl)-L-cysteine + NADP+ + 2 H2O 1.14.14.43 (methylsulfanyl)alkanaldoxime N-monooxygenase
1.14.14.45 aromatic aldoxime N-monooxygenase
–
–
K
L-cysteine <=> D-cysteine 5.1.1.10 amino-acid racemase
–
K
L-cystine + sulfate <=> S-sulfocysteine + L-cysteine 1.8.4.3 glutathione---CoA-glutathione transhydrogenase
–
K
L-serine <=> L-cysteine not assigned
 –
O-acetyl-L-serine + thiosulfate + thioredoxin + H+ <=> L-cysteine + sulfite + thioredoxin_disulfide + acetate 2.5.1.47 cysteine synthase
2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase
–
–
1-aci-nitro-2-indolyl-ethane + L-cysteine <=> S-(Indolylmethylthiohydroximoyl)-L-cysteine + H2O not assigned
 –
p-hydroxyphenylacetaldoxime + O2 + NADPH + L-cysteine + H+ <=> S-(Hydroxyphenylacetothiohydroximoyl)-L-cysteine + NADP+ + 2 H2O 1.14
–
4-methylthiobutanaldoxime + L-cysteine + reduced_flavodoxin + O2 <=> S-(4-Methylthiobutylthiohydroximoyl)-L-cysteine + flavin + 2 H2O 1.14.14.43 (methylsulfanyl)alkanaldoxime N-monooxygenase
–
K
an_aliphatic_aldoxime + NADPH + O2 + L-cysteine + H+ <=> S-Alkyl-thiohydroximate + NADP+ + 2 H2O 1.14
–
S-sulfocysteine + thioredoxin <=> L-cysteine + sulfite + thioredoxin_disulfide not assigned
 –
K
(E)-phenylacetaldoxime + L-cysteine + NADPH + O2 + H+ <=> S-(Phenylacetothiohydroximoyl)-L-cysteine + NADP+ + 2 H2O 1.14.14.45 aromatic aldoxime N-monooxygenase
–
K
p-hydroxyphenylacetaldoxime + L-cysteine + NADPH + O2 + H+ <=> S-(Hydroxyphenylacetothiohydroximoyl)-L-cysteine + NADP+ + 2 H2O 1.14.14.45 aromatic aldoxime N-monooxygenase
–
K
(5R)-carbapen-2-em-3-carboxylate + L-cysteine <=> C20817 + CO2 not assigned
 –
K
[Sulfur-carrier_protein]-Gly-Gly-L-Cys + H2O <=> L-cysteine + Sulfur-carrier_protein 3.13.1.6 [CysO sulfur-carrier protein]-S-L-cysteine hydrolase
–
L-cysteine + protein <=> L-alanine + a_[protein]-S-sulfanyl-L-cysteine 2.8.1.7 cysteine desulfurase
–
peptide_with_an_N-terminal_L-cysteine + H2O <=> L-cysteine + peptide 3.4.11.3 cystinyl aminopeptidase
–
2-sulfoacetaldehyde + L-cysteine <=> H+ + 2-(sulfomethyl)thiazolidine-4-carboxylate + H2O not assigned
 –
M
(5-hydroxy-1H-indol-3-yl)acetaldehyde + L-cysteine <=> 5-hydroxyindole_thiazolidine_carboxylate + H2O + H+ not assigned
 –
M
S-adenosyl-L-methionine + (2-hydroxybenzoyl)adenylate + L-cysteine + malonyl-CoA + NADPH + H+ <=> yersiniabactin + CoA + S-adenosyl-L-homocysteine + NADP+ + H2O + AMP 2.3.1
–
M
S-adenosyl-L-methionine + salicylate + L-cysteine + NADPH <=> pyochelin + S-adenosyl-L-homocysteine + NADP+ + H2O not assigned
 –
L-cysteine + ATP + H+ <=> (L-cysteinyl)adenylate + diphosphate not assigned
 –
M
4-(2-aminoethyl)-1,2-benzoquinone + L-cysteine <=> 5-S-cysteinyl_dopamine not assigned
 –
L-cysteine + unsulfurated_[sulfur_carrier] <=> L-alanine + sulfurated_[sulfur_carrier] 2.8.1.7 cysteine desulfurase
–
L-cysteine + [cysteine_desulfurase]-S-sulfanyl-[disordered-form_scaffold_protein]_complex <=> L-alanine + S-sulfanyl-[cysteine_desulfurase]-S-sulfanyl-[disordered-form_scaffold_protein]_complex 2.8.1.7 cysteine desulfurase
–
M
[CysO_sulfur-carrier_protein]-Gly-NH-CH2-C(O)-S-L-cysteine + H2O <=> [CysO_sulfur-carrier_protein]-Gly-Gly + L-cysteine + H+ 3.13.1.6 [CysO sulfur-carrier protein]-S-L-cysteine hydrolase
–
M
L-cysteine + H+ <=> L-cysteine + H+ not assigned
 –
L-cysteine + [L-cysteine_desulfurase] <=> L-alanine + S-sulfanyl-[L-cysteine_desulfurase] 2.8.1.7 cysteine desulfurase
–
M
L-cysteinyl-[tRNACys] + H2O <=> L-cysteine + tRNAMet + H+ 3.1.1.29 aminoacyl-tRNA hydrolase
–
M
HlmE_non-ribosomal_peptide_synthetase + L-cysteine + ATP <=> L-cysteinyl-[HlmE_non-ribosomal_peptide_synthetase] + AMP + diphosphate 6.3.2
–
M
(2E)-2-amino-3-sulfanylprop-2-enoyl-[HlmE_non-ribosomal_peptide_synthetase] + L-cysteine + acceptor + ATP <=> (2E)-2-[(2E)-2-azanidyl-3-sulfanylprop-2-enamido]-3-[HlmE_non-ribosomal_peptide_synthetase] + reduced_acceptor + AMP + diphosphate + H+ 6.3.2
–
M
S-adenosyl-L-methionine + quinoxaline-2-carboxyl-D-seryl-L-alanyl-[non-ribosomal_peptide_synthase] + L-cysteine + L-valine + ATP <=> triostin_A_dithiol + non-ribosomal_peptide_synthase + AMP + diphosphate + H+ + S-adenosyl-L-homocysteine 6.3.2
–
M
3-hydroxyquinaldyl-[aryl-carrier_protein] + L-cysteine + glycine + non-ribosomal_peptide_synthase + ATP <=> 3-hydroxyquinaldyl-D-cysteinyl-glycyl-[non-ribosomal_peptide_synthase] + aryl-carrier_protein + AMP + diphosphate + H+ 6.3.2
–
M
S-adenosyl-L-methionine + 3-hydroxyquinaldyl-D-cysteinyl-glycyl-[non-ribosomal_peptide_synthase] + (S-methyl-L-cysteinyl)adenylate + L-cysteine + ATP <=> thiocoraline_dithiol + non-ribosomal_peptide_synthase + AMP + diphosphate + S-adenosyl-L-homocysteine + H+ 6.3.2
–
M
S-sulfocysteine + reduced_glutaredoxin <=> L-cysteine + sulfite + thioredoxin_disulfide + H+ not assigned
 –
M
2-cyano-6-hydroxybenzothiazole + L-cysteine + acceptor <=> L-luciferin + NH3 + reduced_acceptor not assigned
 –
M
2-amino-3-[(2,5-dihydroxyphenyl)sulfanyl]propanoate + L-cysteine + acceptor <=> L-luciferin + CO2 + H2O + H+ + reduced_acceptor not assigned
 –
M
1,4-benzoquinone + L-cysteine <=> 2-amino-3-[(2,5-dihydroxyphenyl)sulfanyl]propanoate not assigned
 –
M
dopaquinone + L-cysteine <=> 2-S-cysteinyldopa not assigned
 –
M
L-cysteine + holo-[L-cysteinyl-carrier_protein] + ATP <=> L-cysteinyl-[L-cysteinyl-carrier_protein] + AMP + diphosphate 6.2.1.aa
–
L-cysteine + [PchE_non-ribosomal_peptide_synthase] + ATP <=> L-cysteinyl-[PchE_non-ribosomal_peptide_synthase] + AMP + diphosphate 6.2.1.aa
–
L-cysteine + [PchF_non-ribosomal_peptide_synthase_protein] + ATP <=> L-cysteinyl-[PchF_non-ribosomal_peptide_synthase] + AMP + diphosphate 6.2.1.aa
–
glutathione + S-sulfocysteine <=> GSSG + L-cysteine + sulfite + H+ 1.8.4.2 protein-disulfide reductase (glutathione)
–
L-cysteine + adenylyl-[ThiS] + reduced_acceptor <=> thiocarboxylated-[ThiS_sulfur-carrier_protein] + L-alanine + AMP + acceptor + H+ 2.8.1.7 cysteine desulfurase
–
L-cysteinyl-[tRNAPro] + H2O <=> tRNAMet + L-cysteine + H+ 4.2.99.M2
–
ATP + L-cysteine + holo_[ClbJ_non-ribosomal_peptide_synthase] <=> AMP + diphosphate + L-cysteinyl-[ClbJ_non-ribosomal_peptide_synthase] 6.2.1.aa
–
ATP + L-cysteine + holo_[ClbK_polyketide_synthase] <=> AMP + diphosphate + L-cysteinyl-[ClbK_polyketide_synthase] 6.2.1.aa
–
L-cysteine + [cytidylyl_molybdenum_cofactor_chaperone]-cytidylyl_molybdenum_cofactor + reduced_acceptor <=> L-alanine + [cytidylyl_molybdenum_cofactor_chaperone]-cytidylyl_molybdenum_cofactor_(sulfo-dioxo) + H2O + acceptor 2.8.1.7 cysteine desulfurase
–
M
L-cysteine + [bis(guanylyl_molybdopterin)_cofactor_chaperone]-L-cysteine <=> L-alanine + [bis(guanylyl_molybdopterin)_cofactor_chaperone]-S-sulfanyl-L-cysteine 2.8.1.7 cysteine desulfurase
–
(E)-4-(methylsulfanyl)butanal_oxime + NADPH + O2 + L-cysteine + H+ <=> S-(4-Methylthiobutylthiohydroximoyl)-L-cysteine + NADP+ + H2O not assigned
 –
MoO3-molybdopterin_cofactor + L-cysteine + reduced_acceptor <=> Mo(O)2(S)-molybdopterin_cofactor + L-alanine + H2O + acceptor 2.8.1.9 molybdenum cofactor sulfurtransferase
–
M
L-cysteine + [ThiI_sulfur-carrier_protein]-L-cysteine <=> L-alanine + [ThiI_sulfur-carrier_protein]-S-sulfanyl-L-cysteine 2.8.1.7 cysteine desulfurase
–
L-cysteine <=> L-cysteine not assigned
 –
L-cysteine + [L-cysteine_desulfurase]-L-cysteine <=> L-alanine + [L-cysteine_desulfurase]-S-sulfanyl-L-cysteine not assigned
 –
M
Indole-3-aldehyde + L-cysteine <=> S-indole-L-cysteine not assigned
 –
ATP + (S)-malyl_alpha-D-glucosaminide + L-cysteine <=> ADP + phosphate + bacillithiol + H+ 6.3.1.M5
–
M
H+ + (E)-5-(methylsulfanyl)pentanal_oxime + NADPH + O2 + L-cysteine <=> (E)-1-(L-cystein-S-yl)-N-hydroxy-omega-(methylsulfanyl)pentan-1-imine + NADP+ + H2O not assigned
 –
H+ + 6-Methylthiohexanaldoxime + NADPH + O2 + L-cysteine <=> (E)-1-(L-cystein-S-yl)-N-hydroxy-omega-(methylsulfanyl)hexan-1-imine + NADP+ + H2O not assigned
 –
H+ + 4-methylthioheptanaldoxime + NADPH + O2 + L-cysteine <=> (E)-1-(L-cystein-S-yl)-N-hydroxy-omega-(methylsulfanyl)heptan-1-imine + NADP+ + H2O not assigned
 –
H+ + 4-methylthiooctanaldoxime + NADPH + O2 + L-cysteine <=> (E)-1-(L-cystein-S-yl)-N-hydroxy-omega-(methylsulfanyl)octan-1-imine + NADP+ + H2O not assigned
 –
H+ + 4-methylthiononanaldoxime + NADPH + O2 + L-cysteine <=> (E)-1-(L-cystein-S-yl)-N-hydroxy-omega-(methylsulfanyl)nonan-1-imine + NADP+ + H2O not assigned
 –
indole-3-methanol + L-cysteine <=> indol-3-ylmethyl-L-cysteine + H2O not assigned
 –
M
2-fluorohistidine + L-cysteine + O2 <=> S-(2-fluoro-L-histidin-5-yl)-L-cysteine_S-oxide + H2O 1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase
–
D-histidine + L-cysteine + O2 <=> S-(D-histidin-5-yl)-L-cysteine_S-oxide + S-(D-histidin-2-yl)-L-cysteine_S-oxide + H2O 1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase
–
histamine + L-cysteine + O2 <=> S-(histamin-5-yl)-L-cysteine_S-oxide + H2O 1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase
–
L-histidinamide + L-cysteine + O2 <=> S-(L-histidinamide-5-yl)-L-cysteine_S-oxide + H2O 1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase
–
D-allocystathionine + H2O <=> L-cysteine + NH3 + 2-oxobutyrate 4.4.1.1 cystathionine gamma-lyase
–
DL-cystathionine + H2O <=> L-cysteine + NH3 + 2-oxobutyrate 4.4.1.1 cystathionine gamma-lyase
–
p-hydroxyphenylacetaldoxime + reduced_flavodoxin + L-cysteine + O2 <=> S-(benzohydroximoyl)-L-cysteine + flavin + 2 H2O 1.14.14.45 aromatic aldoxime N-monooxygenase
–
geranylgeranylcysteine + O2 + H2O <=> geranylgeranal + L-cysteine + H2O2 1.8.3.5 prenylcysteine oxidase
–
L-cysteine + O2 <=> L-cystine + H2O2 1.8.3.2 thiol oxidase
1.8.3.3 glutathione oxidase
–
–
N-carbamoyl-L-cysteine + H2O <=> L-cysteine + CO2 + NH3 3.5.1.87 N-carbamoyl-L-amino-acid hydrolase
–
L-cysteine + 2-oxoglutarate <=> pyruvate + L-glutamate 2.6.1.1 aspartate transaminase
–
S-adenosyl-L-methionine + L-cysteine <=> S-adenosyl-L-homocysteine + S-methyl-L-cysteine 2.1.1.10 homocysteine S-methyltransferase
2.1.1.280 selenocysteine Se-methyltransferase
–
–
GTP + L-glutamate + L-cysteine <=> GDP + phosphate + gamma-Glu-L-Cys 6.3.2.2 glutamate---cysteine ligase
–
UTP + L-glutamate + L-cysteine <=> UDP + phosphate + gamma-Glu-L-Cys 6.3.2.2 glutamate---cysteine ligase
–
L-cysteine + 2-oxoglutarate <=> 2-oxo-3-thiobutyrate + L-glutamate 2.6.1.42 branched-chain-amino-acid transaminase
–
L-cysteine + pyruvate + NADH <=> N2-(D-1-Carboxyethyl)-L-Cys + NAD+ 1.5.1.28 opine dehydrogenase
–
L-cysteine + H2O + NAD+ <=> 3-Mercaptopyruvate + NH3 + NADH 1.4.1.5 L-amino-acid dehydrogenase
1.4.1.8 valine dehydrogenase (NADP+)
–
–
L-cysteine + pyruvate + NADH + H+ <=> N-(1-carboxyethyl)-L-Cys + NAD+ + H2O 1.5.1.22 strombine dehydrogenase
–
L-cysteine + dithiothreitol <=> Beta-cyanoalanine + Sulfide 2.5.1.47 cysteine synthase
–
L-cysteine + dithiothreitol <=> S-(2,3-hydroxy-4-thiobutyl)-L-cysteine + Sulfide 2.5.1.47 cysteine synthase
2.5.1.65 O-phosphoserine sulfhydrylase
–
–
CTP + (R)-4''-phosphopantothenate + L-cysteine <=> (R)-4''-phosphopantothenoyl-L-cysteine + CDP + phosphate 6.3.2.5 phosphopantothenate---cysteine ligase (CTP)
–
L-cysteine + pyruvate + NADPH <=> N2-(D-1-Carboxyethyl)-L-Cys + NADP+ + H2O 1.5.1.11 D-octopine dehydrogenase
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4beta-(S-cysteinyl)-epicatechin + NADPH + H+ <=> epicatechin + L-cysteine + NADP+ 1.17.1.3 leucoanthocyanidin reductase
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L-cysteine + NADPH <=> L-cystine + NADP+ 1.8.1.9 thioredoxin-disulfide reductase
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glycyl-L-cysteine + H2O <=> glycine + L-cysteine 3.4.11.19 D-stereospecific aminopeptidase
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N-carbobenzoxy-L-cysteine + H2O <=> benzyl_alcohol + CO2 + L-cysteine 3.5.1.64 Nalpha-benzyloxycarbonylleucine hydrolase
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L-Cys-7-amido-4-methylcoumarin + H2O <=> L-cysteine + 7-amino-4-methylcoumarin 3.4.11.1 leucyl aminopeptidase
3.4.11.10 bacterial leucyl aminopeptidase
3.4.11.6 aminopeptidase B
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3''-phosphoadenylylsulfate + L-cysteine <=> adenosine_3'',5''-bisphosphate + 2-amino-3-sulfosulfanyl-propionic_acid 2.8.2.16 thiol sulfotransferase
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L-cysteine + adenosine <=> S-adenosyl-L-homocysteine 3.3.1.1 adenosylhomocysteinase
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L-cysteine + KCN <=> Beta-cyanoalanine + K2S 4.4.1.9 L-3-cyanoalanine synthase
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D-glutamine + L-cysteine <=> D-Glu-L-Cys + NH3 2.3.2.2 gamma-glutamyltransferase
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2-oxosuccinamic_acid + L-cysteine <=> L-asparagine + 3-Mercaptopyruvate 2.6.1.14 asparagine---oxo-acid transaminase
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ubiquitin-Cys + H2O <=> ubiquitin + L-cysteine 3.4.19.12 ubiquitinyl hydrolase 1
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L-cysteine + L-homocystine <=> L-cystine + 2 L-homocysteine 1.8.4.1 glutathione---homocystine transhydrogenase
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psychosine_sulfate + L-cysteine <=> L-cystathionine + malonate 2.5.1.48 cystathionine gamma-synthase
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O-acetyl-L-serine + Thiophenol <=> L-cysteine + Benzyl_acetate 2.5.1.47 cysteine synthase
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L-cysteine + L-homocysteine <=> L-cystathionine + acetate 2.5.1.47 cysteine synthase
4.2.1.22 cystathionine beta-synthase
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Sulfide + L-cysteine + ubiquinone <=> thiocysteine + ubiquinol 1.8.5.4 bacterial sulfide:quinone reductase
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cysteine-glutathione + glutathione <=> L-cysteine + GSSG 1.8.4.3 glutathione---CoA-glutathione transhydrogenase
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L-kynurenine + 3-Mercaptopyruvate <=> 4-(2-aminophenyl)-2,4-dioxobutanoate + L-cysteine 2.6.1.7 kynurenine---oxoglutarate transaminase
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L-cysteine + D-homoserine <=> L-cystathionine 4.4.1.1 cystathionine gamma-lyase
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O-Succinyl-L-serine + L-cysteine <=> Lanthionine + succinate 2.5.1.48 cystathionine gamma-synthase
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L-cystathionine + L-cysteine <=> L-cystathionine + L-cysteine 2.5.1.48 cystathionine gamma-synthase
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L-cysteine + H2O + 2 cytochrome_b <=> 3-Mercaptopyruvate + NH3 + 2 reduced_cytochrome_b 1.4.99.B3
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L-cysteinyl_7-amido-4-carbamoylmethylcoumarin + H2O <=> L-cysteine + 7-amino-4-carbamoylmethylcoumarin 3.4.11.10 bacterial leucyl aminopeptidase
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thiamine + L-cysteine <=> 4-methyl-5-(2-hydroxyethyl)-thiazole + 2-[[(4-amino-2-ethylpyrimidin-5-yl)methyl]amino]-3-mercaptopropanoic_acid 2.5.1.2 thiamine pyridinylase
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L-cysteine + 1-mercapto-2-propanol <=> HOOC-CH(NH2)-CH2-S-CH2-CH(OH)-CH3 + Sulfide 4.2.1.22 cystathionine beta-synthase
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O-phenyl-L-homoserine + L-cysteine <=> L-cystathionine + phenol 2.5.1.48 cystathionine gamma-synthase
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L-cysteine + DL-homocysteine <=> L-cystathionine + Sulfide 4.2.1.22 cystathionine beta-synthase
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L-cysteine + NaCN <=> Beta-cyanoalanine + Na2S 4.4.1.9 L-3-cyanoalanine synthase
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N-lauroyl-L-Cys + H2O <=> laurate + L-cysteine 3.5.1.14 N-acyl-aliphatic-L-amino acid amidohydrolase
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[CysO_sulfur-carrier_protein]-Gly-NH-CH2-C(O)-S-L-cysteine + H2O <=> [CysO_sulfur-carrier_protein]-Gly-NH-CH2-COOH + L-cysteine 3.13.1.6 [CysO sulfur-carrier protein]-S-L-cysteine hydrolase
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L-Cystinyl-bis-glycine + H2O <=> L-cysteine + Gly-Gly 3.4.13.19 membrane dipeptidase
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L-cysteine_methyl_ester + H2O <=> L-cysteine + methanol 3.1.1.43 alpha-amino-acid esterase
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Ile-tRNAIle + L-cysteine <=> tRNAMet + isoleucylcysteine 6.1.1.5 isoleucine---tRNA ligase
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thiocysteine + O2 <=> L-cysteine + sulfite 1.13.11.18 persulfide dioxygenase
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L-cysteine + L-serine <=> Lanthionine + H2O 4.2.1.22 cystathionine beta-synthase
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L-cystinyl-p-nitroanilide + H2O <=> L-cysteine + 4-nitroaniline 3.4.11.10 bacterial leucyl aminopeptidase
3.4.11.3 cystinyl aminopeptidase
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glyoxylate + L-cysteine <=> glycine + 3-Mercaptopyruvate 2.6.1.15 glutamine---pyruvate transaminase
2.6.1.64 glutamine---phenylpyruvate transaminase
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L-cysteine + H2O <=> Thiophenol + pyruvate + NH3 4.1.99.2 tyrosine phenol-lyase
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L-cysteine <=> Sulfide 4.4.1.1 cystathionine gamma-lyase
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