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Your translated search: Sulfide = 202 reactions were found.
State Icon Reaction EC-Number Conf. maximal confidence score from EnzymeDetector PW
H+ + sulfite + L-cysteine <=> Sulfide + L-cysteic_acid 4.4.1.10 cysteine lyase

BK
H2O + L-homocysteine <=> Sulfide + 2-oxobutyrate + NH3 4.4.1.1 cystathionine gamma-lyase
4.4.1.11 methionine gamma-lyase
4.4.1.2 homocysteine desulfhydrase



MK
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
Sulfide + NADP+ + H2O <=> sulfite + NADPH + H+ 1.8.1.2 assimilatory sulfite reductase (NADPH)

BMK
methanethiol + O2 + H2O <=> formaldehyde + Sulfide + H2O2 1.8.3.4 methanethiol oxidase

MK
Sulfide + oxidized_ferredoxin + H2O <=> sulfite + reduced_ferredoxin_[iron-sulfur]_cluster + H+ 1.8.7.1 assimilatory sulfite reductase (ferredoxin)

BMK
acetyl-CoA + Sulfide <=> thioacetate + CoA + H+ 2.3.1.10 hydrogen-sulfide S-acetyltransferase

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
3-Mercaptopyruvate + thioredoxin <=> pyruvate + Sulfide + thioredoxin_disulfide 2.8.1.2 3-mercaptopyruvate sulfurtransferase

MK
thiosulfate + glutathione <=> H+ + sulfite + Sulfide + GSSG 2.8.1.3 thiosulfate---thiol sulfurtransferase

K
thiosulfate + dithioerythritol <=> sulfite + oxidized_dithiothreitol + Sulfide + H+ 2.8.1.5 thiosulfate---dithiol sulfurtransferase

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

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


BMK
sulfur + H2O + O2 <=> Sulfide + sulfite + H+ 1.13.11.55 sulfur oxygenase/reductase

BMK
methanethiol + coenzyme_M <=> methyl-CoM + Sulfide + H+ 2.1.1.251 methylated-thiol---coenzyme M methyltransferase

K
sulfur + H2 <=> Sulfide 1.12.98.4 sulfhydrogenase
1.12.98.B1
1.12.99.6 hydrogenase (acceptor)



BM
Sulfide + NADP+ <=> sulfur + NADPH + H+ 1.12.7.2 ferredoxin hydrogenase
1.8.1.18 NAD(P)H sulfur oxidoreductase (CoA-dependent)


BM
Sulfide + NAD+ <=> sulfur + NADH + H+ 1.8.1.18 NAD(P)H sulfur oxidoreductase (CoA-dependent)

B
carbon_disulfide + H2O <=> CO2 + Sulfide 3.13.1.5 carbon disulfide hydrolase
4.2.1.1 carbonic anhydrase


carbon_disulfide + H2O <=> COS + Sulfide 3.13.1.5 carbon disulfide hydrolase

M
COS + H2O <=> CO2 + Sulfide 3.13.1.5 carbon disulfide hydrolase
3.13.1.7 carbonyl sulfide hydrolase
4.2.1.1 carbonic anhydrase



M
Sulfide + coenzyme_F420 + H2O <=> sulfite + reduced_coenzyme_F420 + H+ 1.8.1.2 assimilatory sulfite reductase (NADPH)
1.8.7.1 assimilatory sulfite reductase (ferredoxin)
1.8.98.3 sulfite reductase (coenzyme F420)



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-homocysteine <=> Sulfide + 2-aminobut-2-enoate + H+ 4.4.1.2 homocysteine desulfhydrase

sulfite + Sulfide + ferricytochrome_b5 <=> thiosulfate + ferricytochrome_b5 + H+ 1.8.2.2 thiosulfate dehydrogenase
1.8.2.5 thiosulfate reductase (cytochrome)


M
a_[sulfatase]-L-cysteine + O2 + sulfhydryl_reagents <=> a_[sulfatase]-3-oxo-L-alanine + Sulfide + H2O + R-S-S-R 1.8.3.7 formylglycine-generating enzyme

S-adenosyl-L-methionine + a_[sulfatase]-L-cysteine + H2O <=> a_[sulfatase]-3-oxo-L-alanine + 5''-deoxyadenosine + L-methionine + Sulfide + H+ 1.8.98.7 cysteine-type anaerobic sulfatase-maturating enzyme

[3-mercaptopyruvate_sulfurtransferase]-S-sulfanyl-L-cysteine + thioredoxin <=> [3-mercaptopyruvate_sulfurtransferase]-L-cysteine + Sulfide + thioredoxin_disulfide 2.8.1.2 3-mercaptopyruvate sulfurtransferase

NAD+ + glycine + Sulfide <=> nicotinamide + ADP-5-ethyl-4-methylthiazole-2-carboxylate + H2O + H+ 2.4.2.59 sulfide-dependent adenosine diphosphate thiazole synthase

K
Sulfide + L-aspartate_4-semialdehyde + reduced_ferredoxin_[iron-sulfur]_cluster + H+ <=> L-homocysteine + H2O + oxidized_ferredoxin 2.8.1.16 L-aspartate semialdehyde sulfurtransferase

MK
ATP + a_[methyl-coenzyme_M_reductase]-glycine + Sulfide <=> ADP + phosphate + a_[methyl-coenzyme_M_reductase]-thioglycine + H+ 6.2.2.1 thioglycine synthase

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
O-succinyl-L-homoserine + Sulfide <=> H+ + L-homocysteine + succinate 2.5.1
2.5.1.48 cystathionine gamma-synthase
2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase



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

BMK
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-homocysteine <=> Sulfide + L-homolanthionine 4.4.1.1 cystathionine gamma-lyase

M
sulfite + Sulfide + menaquinone + H+ <=> thiosulfate + menaquinol 1.8.5.5 thiosulfate reductase (quinone)

MK
Sulfide + 2 ferricytochrome_c <=> sulfur + 2 ferricytochrome_c + 2 H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

K
n Sulfide + n 1,4-benzoquinone <=> Polysulfide + n hydroquinone 1.8.5.4 bacterial sulfide:quinone reductase

K
sulfite + Sulfide + a_quinone <=> thiosulfate + a_quinol 1.8.5.5 thiosulfate reductase (quinone)

Sulfide + glutathione + a_quinone <=> S-sulfanylglutathione + a_quinol 1.8.5.8 eukaryotic sulfide quinone oxidoreductase

K
diethyl_thiophosphate + H2O <=> diethyl_phosphate + Sulfide 3.13.1

MK
Polysulfide + Sulfide + NADP+ <=> Polysulfide + NADPH + H+ 1.8.1.19 sulfide dehydrogenase

Polysulfide + H2 <=> Sulfide + Polysulfide 1.12.98.4 sulfhydrogenase

MK
L-cysteine + 2-mercaptoethanol <=> S-(2-Hydroxyethyl)-L-cysteine + Sulfide 4.2.1.22 cystathionine beta-synthase

beta-chloro-L-alanine + Sulfide <=> L-cysteine + Cl- 2.5.1.47 cysteine synthase
4.4.1.9 L-3-cyanoalanine synthase


Sulfide + protein_disulfide + 2 acceptor + 3 H2O <=> sulfite + protein-dithiol + 2 reduced_acceptor + 2 H+ 1.8.99.5 dissimilatory sulfite reductase

K
sulfur + reduced_acceptor <=> Sulfide + acceptor not assigned

K
protein_N6-(octanoyl)lysine + an_[Fe-S]_cluster_scaffold_protein_carrying_a_[4Fe-4S]2+_cluster + 2 S-adenosyl-L-methionine + 2 [2Fe-2S]-center + 8 H+ <=> enzyme_N6-(dihydrolipoyl)lysine + an_[Fe-S]_cluster_scaffold_protein + 2 Sulfide + 4 Fe2+ + 2 L-methionine + 2 5''-Deoxyadenosine + 2 [2Fe-2S]-center 2.8.1.8 lipoyl synthase

O-Phosphoseryl-tRNA(Cys) + Sulfide <=> L-Cysteinyl-tRNACys + phosphate 2.5.1.73 O-phospho-L-seryl-tRNA:Cys-tRNA synthase

K
methanethiol + corrinoid <=> Sulfide + methylcorrinoid_protein 2.1.1.251 methylated-thiol---coenzyme M methyltransferase

sulfite + 3 NADH + 3 H+ <=> Sulfide + 3 NAD+ + 3 H2O not assigned

K
[Lipoyl-carrier_protein_E2]-N6-octanoyl-L-lysine + an_[Fe-S]_cluster_scaffold_protein_carrying_a_[4Fe-4S]2+_cluster + 2 S-adenosyl-L-methionine + 2 [2Fe-2S]-center + 8 H+ <=> enzyme_N6-(dihydrolipoyl)lysine + an_[Fe-S]_cluster_scaffold_protein + 2 Sulfide + 4 Fe2+ + 2 L-methionine + 2 5''-Deoxyadenosine + 2 [2Fe-2S]-center 2.8.1.8 lipoyl synthase

K
[glycine_cleavage_system_H]-N6-octanoyl-L-lysine + an_[Fe-S]_cluster_scaffold_protein_carrying_a_[4Fe-4S]2+_cluster + 2 S-adenosyl-L-methionine + 2 [2Fe-2S]-center + 8 H+ <=> dihydrolipoylprotein + an_[Fe-S]_cluster_scaffold_protein + 2 Sulfide + 4 Fe2+ + 2 L-methionine + 2 5''-Deoxyadenosine + 2 [2Fe-2S]-center 2.8.1.8 lipoyl synthase

K
sulfur + H2O <=> sulfite + Sulfide + H+ not assigned

M
Sulfide + electron-transfer_quinone <=> Polysulfide + electron-transfer_quinol 1.8.5.4 bacterial sulfide:quinone reductase

M
pimelic_semialdehyde + Sulfide + reduced_acceptor <=> 7-Mercaptoheptanoate + H2O + acceptor not assigned

M
sulfate + galena + H+ <=> PbSO4 + Sulfide not assigned

M
thiocyanate + H2O <=> Cyanate + Sulfide 3.13.1

O-phospho-L-seryl-[tRNACys] + Sulfide <=> L-cysteinyl-[tRNACys] + phosphate 2.5.1.73 O-phospho-L-seryl-tRNA:Cys-tRNA synthase

M
S-sulfanylglutathione + reduced_acceptor <=> bisorganyltrisulfane + Sulfide + acceptor not assigned

M
monothiocarbonate + H+ <=> CO2 + Sulfide not assigned

M
[cypemycin]_C-terminal_L-Cys-L-Leu-L-Val-L-Cys + H+ + acceptor <=> C-terminal_C3.19,S21-[cyclocypemycin]-L-Ala-L-Leu-L-valinamide + CO2 + Sulfide + reduced_acceptor 1.3.99.36 cypemycin cysteine dehydrogenase (decarboxylating)

S-sulfanylglutathione + glutathione <=> Sulfide + GSSG not assigned

4-oxo-4-sulfanylbutanoate + H2O <=> succinate + Sulfide + H+ 3.13.1

M
Sulfide + a_[DsrC_protein]-dithiol + electron-transfer_quinone <=> [DsrC]-trisulfide + electron-transfer_quinol 1.8.5.M1

M
Sulfide + sulfite + electron-transfer_quinone + H+ <=> thiosulfate + electron-transfer_quinol 1.8.5.5 thiosulfate reductase (quinone)
1.8.5.8 eukaryotic sulfide quinone oxidoreductase


Sulfide + glutathione + electron-transfer_quinone <=> S-sulfanylglutathione + electron-transfer_quinol 1.8.5.8 eukaryotic sulfide quinone oxidoreductase

M
D-cysteine <=> Sulfide + 2-aminoacrylate not assigned

2-sulfanyl-3,4-dihydropyrimidin-4-one + H2O <=> Uracil + Sulfide 3.13.1.M4

parathion + O2 + reduced_[NADPH-hemoprotein_reductase] <=> paraoxon + H2O + Sulfide + oxidized_[NADPH-hemoprotein_reductase] not assigned

thioplatensimycin + H2O <=> platensimycin + Sulfide + H+ not assigned

M
glutathione_amide + Sulfide + acceptor <=> reduced_acceptor + glutathione_amide_perthiol 1.8.99

M
methanethiol + [Co(I)_methanethiol-specific_corrinoid_protein] <=> [methyl-Co(III)_methanethiol-specific_corrinoid_protein] + Sulfide 2.1.1.251 methylated-thiol---coenzyme M methyltransferase

M
Sulfide + oxidized_c-type_cytochrome <=> sulfur + ferricytochrome_c + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

M
thiosulfate + sulfhydryl_reagents <=> sulfite + Sulfide + R-S-S-R + H+ 2.8.1.3 thiosulfate---thiol sulfurtransferase

M
carbon_disulfide + O2 + NADH + H+ <=> COS + Sulfide + H2O + NAD+ 1.8.1

M
sulfur + Sulfide <=> Polysulfide + H+ not assigned

M
thiophosgene + Sulfide <=> H+ + carbon_disulfide + Cl- not assigned

thiosulfate + thioredoxin <=> thioredoxin_disulfide + sulfite + Sulfide + H+ 2.8.1

Sulfide <=> Sulfide not assigned

Sulfide + O2 <=> sulfur + H2O2 1.8.3.4 methanethiol oxidase

ethanethiol + O2 + H2O <=> acetaldehyde + Sulfide + H2O2 1.8.3.4 methanethiol oxidase

Sulfide + menadione <=> Polysulfide + menadiol 1.8.5.4 bacterial sulfide:quinone reductase

O-phospho-L-seryl-tRNACys + Sulfide <=> L-Cysteinyl-tRNACys + phosphate 2.5.1.73 O-phospho-L-seryl-tRNA:Cys-tRNA synthase

Abz-SALCSPTRA-NH2 + O2 + reduced_dithiothreitol <=> Abz-SAL-3-oxo-L-Ala-SPTRA-NH2 + H2O + Sulfide + oxidized_dithiothreitol 1.8.3.7 formylglycine-generating enzyme

Ac-LCSPSRGSLFTGR-NH2 + O2 + reduced_dithiothreitol <=> Ac-L-3-oxo-L-Ala-SPSRGSLFTGR-NH2 + H2O + Sulfide + oxidized_dithiothreitol 1.8.3.7 formylglycine-generating enzyme

AC-MTDFYVPVSLCTPSRAALLTGRS-amide + O2 + reduced_dithiothreitol <=> AC-MTDFYVPVSL-3-oxo-Ala-TPSRAALLTGRS-amide + H2O + Sulfide + oxidized_dithiothreitol 1.8.3.7 formylglycine-generating enzyme

LCSPSRGSLFTGR + O2 + dithiothreitol <=> leucyl-formylglycyl-SPSRGSLFTGR + Sulfide + oxidized_dithiothreitol + H2O 1.8.3.7 formylglycine-generating enzyme

3-chloro-D-alanine + Sulfide <=> D-cysteine + Cl- 4.5.1.2 3-chloro-D-alanine dehydrochlorinase

L-homocysteine + KCN <=> gamma-cyano-alpha-aminobutyric_acid + Sulfide 2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase

L-homoserine + Sulfide <=> L-homocysteine + H2O 2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase

methanethiol + a_[Co(I)_methylated-thiol-specific_corrinoid_protein] <=> a_[methyl-Co(III)_methylated-thiol-specific_corrinoid_protein] + Sulfide 2.1.1.251 methylated-thiol---coenzyme M methyltransferase

O-acetyl-L-serine + Sulfide <=> pyruvate + acetate + NH3 2.5.1.47 cysteine synthase
4.2.1.22 cystathionine beta-synthase


benzoyl-thiocarbamic_acid + H2O <=> N-benzoyl-Gly + Sulfide 3.4.22.2 papain

Sulfide + decylubiquinone <=> Polysulfide + decylubiquinol 1.8.5.4 bacterial sulfide:quinone reductase

O-phospho-L-seryl-tRNASec + Sulfide <=> L-cysteinyl-tRNASec + phosphate 2.5.1.73 O-phospho-L-seryl-tRNA:Cys-tRNA synthase

Sulfide + Oxidized_benzyl_viologen <=> sulfur + reduced_benzyl_viologen + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

L-cysteine_methyl_ester <=> L-alanine_methyl_ester + Sulfide 2.8.1.9 molybdenum cofactor sulfurtransferase

H2 + methyl_viologen <=> Sulfide + reduced_methyl_viologen 1.12.98.4 sulfhydrogenase

H2 + Polysulfide <=> Sulfide + (sulfide)n-1 1.12.98.4 sulfhydrogenase

H2 + Oxidized_benzyl_viologen <=> Sulfide + reduced_benzyl_viologen 1.12.98.4 sulfhydrogenase

Polysulfide + H2 <=> Sulfide 1.12.98.4 sulfhydrogenase

H2 + polysulfide(n) <=> Sulfide + polysulfide(n-1) 1.12.98.4 sulfhydrogenase

Sulfide + Sulfide + coenzyme_Q10 <=> hydrogen_disulfide + reduced_coenzyme_Q 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + coenzyme_Q10 <=> sulfane_sulfur + reduced_coenzyme_Q 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + S-adenosyl-L-methionine <=> methanethiol + S-adenosyl-L-homocysteine 2.1.1.9 thiol S-methyltransferase

Sulfide + 1,4-benzoquinone <=> sulfur + hydroquinone 1.8.5.4 bacterial sulfide:quinone reductase

3-Mercaptopyruvate + thiosulfate <=> pyruvate + Sulfide 2.8.1.2 3-mercaptopyruvate sulfurtransferase

Sulfide + NADH + H+ <=> H2 + NAD+ 1.12.98.4 sulfhydrogenase

thiosulfate + NADH <=> Sulfide + NAD+ + sulfite 2.8.1.5 thiosulfate---dithiol sulfurtransferase

Sulfide + glutathione + coenzyme_Q10 <=> S-sulfanylglutathione + reduced_coenzyme_Q 1.8.5.8 eukaryotic sulfide quinone oxidoreductase

Sulfide + glutathione <=> sulfur + glutathione 1.8.5.4 bacterial sulfide:quinone reductase

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


O-acetyl-L-serine + Sulfide <=> DL-cysteine + acetate 2.5.1.144 S-sulfo-L-cysteine synthase (O-acetyl-L-serine-dependent)

Polysulfide + electron_donor <=> Sulfide + oxidized_electron_donor 1.12.98.4 sulfhydrogenase

Organic_trisulfides + electron_donor <=> Sulfide + oxidized_electron_donor 1.12.98.4 sulfhydrogenase

R-S-S-R + electron_donor <=> Sulfide 1.12.98.4 sulfhydrogenase

Sulfide + glutathione + Ubiquinone-10 <=> S-sulfanylglutathione + coenzyme_Q10 1.8.5.8 eukaryotic sulfide quinone oxidoreductase

Sulfide + Polysulfide + NADP+ <=> (sulfide)n+1 + NADPH + H+ 1.8.1.19 sulfide dehydrogenase

polysulfide(n) + NADPH + H+ <=> Sulfide + polysulfide(n-1) + NADP+ 1.8.1.18 NAD(P)H sulfur oxidoreductase (CoA-dependent)

H2 + NADP+ <=> Sulfide + NADPH + H+ 1.12.98.4 sulfhydrogenase

thiosulfate + NADPH <=> Sulfide + NADP+ + sulfite 2.8.1.5 thiosulfate---dithiol sulfurtransferase

2 Sulfide + ubiquinone <=> hydrogen_disulfide + ubiquinol 1.8.5.4 bacterial sulfide:quinone reductase
1.8.5.8 eukaryotic sulfide quinone oxidoreductase


Sulfide + L-homocysteine + ubiquinone <=> homocysteine_persulfide + ubiquinol 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + glutathione + ubiquinone <=> S-sulfanylglutathione + ubiquinol 1.8.5.4 bacterial sulfide:quinone reductase
1.8.5.8 eukaryotic sulfide quinone oxidoreductase


Sulfide + ubiquinone <=> sulfur + ubiquinol 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + cyanide + ubiquinone <=> thiocyanate + ubiquinol 1.8.5.4 bacterial sulfide:quinone reductase

N-terminal_L-alanine-[cypemycin] + acceptor <=> C3.19,S21-cyclocypemycin(1-18)-L-Ala-L-Leu-N-thioethenyl-L-valinamide + CO2 + Sulfide + reduced_acceptor 1.3.99.36 cypemycin cysteine dehydrogenase (decarboxylating)

[arylsulfatase_A]-L-cysteine69 + O2 + reduced_acceptor <=> [arylsulfatase_A]-Calpha-formylglycine69 + Sulfide + acceptor 1.8.3.7 formylglycine-generating enzyme

Ac-FENAYTAVPSCIASRASILTGMS-NH2 + S-adenosyl-L-methionine + reduced_acceptor <=> Ac-FENAYTAVPS-3-oxo-L-Ala-IASRASILTGMS-NH2 + L-methionine + 5''-deoxyadenosine + acceptor + Sulfide 1.8.98.7 cysteine-type anaerobic sulfatase-maturating enzyme

Tetrasulfide + electron_donor <=> Sulfide + oxidized_electron_donor 1.12.98.4 sulfhydrogenase

protein_N6-(octanoyl)lysine + an_[Fe-S]_cluster_scaffold_protein_carrying_a_[4Fe-4S]2+_cluster + 2 S-adenosyl-L-methionine + 2 [2Fe-2S]-center + 6 H+ <=> enzyme_N6-(dihydrolipoyl)lysine + an_[Fe-S]_cluster_scaffold_protein + 2 Sulfide + 4 Fe3+ + 2 L-methionine + 2 5''-deoxyadenosine + 2 [2Fe-2S]-center 2.8.1.8 lipoyl synthase

DL-homocysteine + H2O <=> Sulfide + S-hydroxyethyl-L-homocysteine 4.4.1.11 methionine gamma-lyase

Sulfide + plastoquinone-2 <=> sulfur + plastoquinol-2 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + 2-methyl-3-methylthio-1,4-naphthoquinone <=> sulfur + 2-methoxyacetylthiocholine 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + Ubiquinone-10 <=> sulfur + coenzyme_Q10 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + duroquinone_23 <=> sulfur + duroquinol_23 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + ubiquinone-9 <=> sulfur + ubiquinol-9 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + duroquinone <=> sulfur + duroquinol 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + menadione <=> sulfur + menadiol 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + plastoquinone-1 <=> sulfur + plastoquinol-1 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + decylubiquinone <=> sulfur + decylubiquinol 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + caldariellaquinone <=> sulfur + caldariellaquinol 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + coenzyme_Q10 <=> sulfur + reduced_coenzyme_Q 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + ubiquinone-4 <=> sulfur + ubiquinol-4 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + oxidized_cytochrome_c <=> sulfur + ferricytochrome_c + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

sulfur + electron_donor <=> Sulfide + oxidized_electron_donor 1.12.98.4 sulfhydrogenase

Sulfide + ferricytochrome_c_555 <=> sulfur + ferrocytochrome_c_555 + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

Sulfide + oxidized_horse_cytochrome_c <=> sulfur + reduced_horse_cytochrome_c + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

Sulfide + oxidized_heart_cytochrome_c <=> sulfur + reduced_heart_cytochrome_c + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

Sulfide + ubiquinone-2 <=> sulfur + ubiquinol-2 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + oxidized_flavocytochrome_c <=> sulfur + reduced_flavocytochrome_c + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

Sulfide + oxidized_Nitrosomonas_europaea_cytochrome_c552 <=> sulfur + reduced_Nitrosomonas_europaea_cytochrome_c552 + H+ 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

Sulfide + oxidized_Rhodospirillum_rubrum_cytochrome_c2 <=> sulfur + reduced_Rhodospirillum_rubrum_cytochrome_c2 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)

Sulfide + decylubiquinone + cyanide <=> sulfur + decylubiquinol + thiocyanate 1.8.5.4 bacterial sulfide:quinone reductase

Sulfide + 2,3-dimethyl-1,4-naphthoquinone <=> sulfur + 2,3-dimethyl-1,4-naphthoquinol 1.8.5.4 bacterial sulfide:quinone reductase

sulfur <=> Sulfide 1.12.98.4 sulfhydrogenase

Sulfide + [tRNACys]-uridine <=> [tRNACys]-4-thiouridine 2.8.1.4 tRNA uracil 4-sulfurtransferase

Sulfide + tRNA-uridine <=> tRNA-4-thiouridine 2.8.1.4 tRNA uracil 4-sulfurtransferase

Sulfide + L-cysteine + ubiquinone <=> thiocysteine + ubiquinol 1.8.5.4 bacterial sulfide:quinone reductase

L-cysteine + 1-mercapto-2-propanol <=> HOOC-CH(NH2)-CH2-S-CH2-CH(OH)-CH3 + Sulfide 4.2.1.22 cystathionine beta-synthase

L-cysteine + DL-homocysteine <=> L-cystathionine + Sulfide 4.2.1.22 cystathionine beta-synthase

Sulfide + a_[DsrC_protein]-disulfide <=> a_[DsrC_protein]-S-sulfanyl-L-cysteine 1.8.99.5 dissimilatory sulfite reductase

L-cysteine <=> Sulfide 4.4.1.1 cystathionine gamma-lyase

L-cysteine + H2O <=> Sulfide + S-(2-Hydroxyethyl)-L-cysteine 4.4.1.11 methionine gamma-lyase

O-phospho-L-serine + Sulfide <=> L-cysteine + H2O 2.5.1.49 O-acetylhomoserine aminocarboxypropyltransferase

L-cysteine <=> pyruvate + Sulfide 2.8.1.7 cysteine desulfurase

Sulfide + cyanide + coenzyme_Q10 <=> thiocyanate + reduced_coenzyme_Q 1.8.5.4 bacterial sulfide:quinone reductase