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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:L-cysteine derivative
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Accession:CHEBI:83824 term browser browse the term
Definition:A proteinogenic amino acid derivative resulting from the formal reaction of L-cysteine at the amino group, carboxy group, or thiol group, or from the replacement of any hydrogen of L-cysteine by a heteroatom.
Synonyms:related_synonym: L-cysteine derivatives


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cilastatin term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G CASP3 caspase 3 multiple interactions EXP Cilastatin inhibits the reaction [Cisplatin results in increased activity of CASP3 protein] CTD PMID:20435919 NCBI chr15:45,744,320...45,753,252
Ensembl chr15:45,742,749...45,763,773
JBrowse link
G CASP8 caspase 8 multiple interactions EXP Cilastatin inhibits the reaction [Cisplatin results in increased activity of CASP8 protein] CTD PMID:20435919 NCBI chr15:104,923,659...104,948,470
Ensembl chr15:104,923,953...104,948,470
JBrowse link
G FASLG Fas ligand multiple interactions EXP Cilastatin inhibits the reaction [Cisplatin affects the localization of FASLG protein] CTD PMID:20435919 NCBI chr 9:115,068,314...115,075,147
Ensembl chr 9:115,068,090...115,076,475
JBrowse link
glutathione term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G IDH2 isocitrate dehydrogenase (NADP(+)) 2 multiple interactions EXP Glutathione inhibits the reaction [Cadmium Chloride results in decreased activity of IDH2 protein]; Glutathione inhibits the reaction [Cadmium results in decreased activity of IDH2 protein] CTD PMID:16785314 NCBI chr 7:55,654,298...55,675,571
Ensembl chr 7:55,651,606...55,681,426
JBrowse link
G LOC100739163 glutathione S-transferase P-like multiple interactions EXP GSTP1 protein affects the metabolism of [monobromobimane co-treated with Glutathione] CTD PMID:14573868 NCBI chr 2:4,978,761...4,982,233 JBrowse link
N-acetyl-L-cysteine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G BAX BCL2 associated X, apoptosis regulator multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium results in increased expression of BAX protein] CTD PMID:19135140 NCBI chr 6:54,222,341...54,228,150
Ensembl chr 6:54,187,260...54,228,144
JBrowse link
G BCL2 BCL2 apoptosis regulator multiple interactions EXP [Acetylcysteine co-treated with fumonisin B1 co-treated with deoxynivalenol] results in increased expression of BCL2 protein; [Acetylcysteine co-treated with fumonisin B1] results in increased expression of BCL2 protein; [Acetylcysteine co-treated with Zearalenone co-treated with deoxynivalenol] results in increased expression of BCL2 protein; [Acetylcysteine co-treated with Zearalenone co-treated with fumonisin B1] results in increased expression of BCL2 protein; [Acetylcysteine co-treated with Zearalenone] results in increased expression of BCL2 protein; Acetylcysteine inhibits the reaction [[fumonisin B1 co-treated with deoxynivalenol] results in decreased expression of BCL2 mRNA]; Acetylcysteine inhibits the reaction [[fumonisin B1 co-treated with Zearalenone] results in decreased expression of BCL2 mRNA]; Acetylcysteine inhibits the reaction [Cadmium results in decreased expression of BCL2 protein]; Acetylcysteine inhibits the reaction [deoxynivalenol results in decreased expression of BCL2 protein]; Acetylcysteine inhibits the reaction [fumonisin B1 promotes the reaction [Zearalenone results in decreased expression of BCL2 mRNA]] CTD PMID:19135140 PMID:29109043 NCBI chr 1:158,337,403...158,518,214
Ensembl chr 1:158,288,544...158,518,879
JBrowse link
G BMP15 bone morphogenetic protein 15 multiple interactions EXP Acetylcysteine inhibits the reaction [Zearalenone results in decreased expression of BMP15 mRNA] CTD PMID:26386189 NCBI chr  X:44,613,122...44,620,575
Ensembl chr  X:44,613,122...44,620,575
JBrowse link
G CASP3 caspase 3 multiple interactions EXP [Acetylcysteine co-treated with Zearalenone] results in decreased expression of CASP3 protein; Acetylcysteine inhibits the reaction [[fumonisin B1 co-treated with Zearalenone] promotes the reaction [deoxynivalenol results in increased expression of CASP3 protein]]; Acetylcysteine inhibits the reaction [[fumonisin B1 co-treated with Zearalenone] results in increased expression of CASP3 protein]; Acetylcysteine inhibits the reaction [Cadmium Chloride results in increased activity of CASP3 protein]; Acetylcysteine inhibits the reaction [Cadmium results in increased activity of CASP3 protein]; Acetylcysteine inhibits the reaction [deoxynivalenol promotes the reaction [[fumonisin B1 co-treated with Zearalenone] results in increased expression of CASP3 mRNA]]; Acetylcysteine inhibits the reaction [deoxynivalenol promotes the reaction [Zearalenone results in increased expression of CASP3 mRNA]]; Acetylcysteine inhibits the reaction [deoxynivalenol results in increased expression of CASP3 protein]; Acetylcysteine inhibits the reaction [Zearalenone promotes the reaction [[fumonisin B1 co-treated with deoxynivalenol] results in increased expression of CASP3 mRNA]]; Acetylcysteine inhibits the reaction [Zearalenone promotes the reaction [deoxynivalenol results in increased expression of CASP3 mRNA]]; Acetylcysteine inhibits the reaction [Zearalenone promotes the reaction [deoxynivalenol results in increased expression of CASP3 protein]] CTD PMID:17383151 PMID:19135140 PMID:29109043 NCBI chr15:45,744,320...45,753,252
Ensembl chr15:45,742,749...45,763,773
JBrowse link
G CASP9 caspase 9 multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium results in increased activity of CASP9 protein] CTD PMID:19135140 NCBI chr 6:74,707,597...74,730,033
Ensembl chr 6:74,706,515...74,730,092
JBrowse link
G CCL2 chemokine (C-C motif) ligand 2 multiple interactions EXP Acetylcysteine inhibits the reaction [3,4,3',4'-tetrachlorobiphenyl results in increased expression of CCL2 mRNA] CTD PMID:19265715 NCBI chr12:40,798,109...40,800,013
Ensembl chr12:40,798,109...40,800,028
JBrowse link
G CYCS cytochrome c, somatic multiple interactions EXP Acetylcysteine inhibits the reaction [deoxynivalenol promotes the reaction [[Zearalenone co-treated with fumonisin B1] results in increased expression of CYCS mRNA]]; Acetylcysteine inhibits the reaction [deoxynivalenol promotes the reaction [Zearalenone results in increased expression of CYCS mRNA]]; Acetylcysteine inhibits the reaction [fumonisin B1 promotes the reaction [deoxynivalenol promotes the reaction [Zearalenone results in increased expression of CYCS mRNA]]]; Acetylcysteine inhibits the reaction [Zearalenone promotes the reaction [[deoxynivalenol co-treated with fumonisin B1] results in increased expression of CYCS mRNA]] CTD PMID:29109043 NCBI chr18:47,169,921...47,172,212
Ensembl chr18:47,169,866...47,173,866
JBrowse link
G DDIT3 DNA damage inducible transcript 3 multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium Chloride results in increased expression of DDIT3 mRNA] CTD PMID:18086661 NCBI chr 5:22,785,441...22,789,867
Ensembl chr 5:22,785,441...22,791,134
JBrowse link
G FOS Fos proto-oncogene, AP-1 transcription factor subunit multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium Chloride results in increased expression of FOS mRNA] CTD PMID:18086661 NCBI chr 7:98,449,508...98,451,971
Ensembl chr 7:98,449,349...98,455,554
JBrowse link
G GSR glutathione-disulfide reductase multiple interactions EXP Acetylcysteine inhibits the reaction [fumonisin B1 promotes the reaction [deoxynivalenol results in decreased activity of GSR protein]]; Acetylcysteine inhibits the reaction [fumonisin B1 promotes the reaction [Zearalenone promotes the reaction [deoxynivalenol results in decreased activity of GSR protein]]]; Acetylcysteine inhibits the reaction [Zearalenone promotes the reaction [fumonisin B1 promotes the reaction [deoxynivalenol results in decreased activity of GSR protein]]] CTD PMID:29109043 NCBI chr15:54,382,564...54,433,989
Ensembl chr15:54,382,567...54,433,989
JBrowse link
G HSP90B1 heat shock protein 90 beta family member 1 multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium Chloride results in increased expression of HSP90B1 mRNA] CTD PMID:18086661 NCBI chr 5:80,511,513...80,531,016
Ensembl chr 5:80,511,507...80,531,005
JBrowse link
G HSPA5 heat shock protein family A (Hsp70) member 5 multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium Chloride results in increased expression of HSPA5 mRNA] CTD PMID:18086661 NCBI chr 1:265,930,044...265,934,959
Ensembl chr 1:265,930,045...265,934,904
JBrowse link
G MAPK8 mitogen-activated protein kinase 8 multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium Chloride results in increased phosphorylation of MAPK8 protein] CTD PMID:17383151 NCBI chr14:88,988,914...89,108,875
Ensembl chr14:88,988,949...89,172,200
JBrowse link
G MAPK9 mitogen-activated protein kinase 9 multiple interactions EXP Acetylcysteine inhibits the reaction [Cadmium Chloride results in increased phosphorylation of MAPK9 protein] CTD PMID:17383151 NCBI chr 2:78,338,466...78,399,108
Ensembl chr 2:78,338,369...78,399,105
JBrowse link
G MYC MYC proto-oncogene, bHLH transcription factor multiple interactions EXP Acetylcysteine inhibits the reaction [Cisplatin results in increased expression of MYC] CTD PMID:12712633 NCBI chr 4:12,455,141...12,460,360
Ensembl chr 4:12,455,119...12,461,078
JBrowse link
G NFE2L2 nuclear factor, erythroid 2 like 2 multiple interactions EXP Acetylcysteine inhibits the reaction [Aldosterone results in increased activity of NFE2L2 protein] CTD PMID:24512358 NCBI chr15:82,967,485...83,146,185
Ensembl chr15:82,973,648...83,146,183
JBrowse link
G PTX3 pentraxin 3 multiple interactions EXP Acetylcysteine inhibits the reaction [Zearalenone results in decreased expression of PTX3 mRNA] CTD PMID:26386189 NCBI chr13:97,273,594...97,279,570
Ensembl chr13:97,273,594...97,279,569
JBrowse link
G TNFAIP6 TNF alpha induced protein 6 multiple interactions EXP Acetylcysteine inhibits the reaction [Zearalenone results in decreased expression of TNFAIP6 mRNA] CTD PMID:26386189 NCBI chr15:862,013...881,352
Ensembl chr15:862,013...881,461
JBrowse link
G TP53 tumor protein p53 multiple interactions EXP Acetylcysteine inhibits the reaction [fumonisin B1 promotes the reaction [Zearalenone results in increased expression of TP53 mRNA]]; Acetylcysteine inhibits the reaction [Zearalenone promotes the reaction [fumonisin B1 results in increased expression of TP53 mRNA]]; Acetylcysteine promotes the reaction [deoxynivalenol inhibits the reaction [Zearalenone results in increased expression of TP53 mRNA]] CTD PMID:29109043 NCBI chr12:52,939,643...52,953,786
Ensembl chr12:52,939,643...52,953,819
JBrowse link
G ZP3 zona pellucida glycoprotein 3 multiple interactions EXP Acetylcysteine inhibits the reaction [Zearalenone results in decreased expression of ZP3 mRNA] CTD PMID:26386189 NCBI chr 3:9,934,760...9,944,924
Ensembl chr 3:9,934,761...9,944,941
JBrowse link
S-nitrosoglutathione term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G AKT1 AKT serine/threonine kinase 1 multiple interactions EXP AKT1 protein mutant form inhibits the reaction [S-Nitrosoglutathione results in increased expression of HIF1A protein] CTD PMID:11514583
G HIF1A hypoxia inducible factor 1 subunit alpha multiple interactions
increases expression
EXP 2,3-dimethoxy-1,4-naphthoquinone inhibits the reaction [S-Nitrosoglutathione results in increased expression of HIF1A protein]; AKT1 protein mutant form inhibits the reaction [S-Nitrosoglutathione results in increased expression of HIF1A protein]; Genistein inhibits the reaction [S-Nitrosoglutathione results in increased expression of HIF1A protein]; PIK3R1 protein mutant form inhibits the reaction [S-Nitrosoglutathione results in increased expression of HIF1A protein]; Wortmannin inhibits the reaction [S-Nitrosoglutathione results in increased expression of HIF1A protein] CTD PMID:11514583 NCBI chr 1:190,625,436...190,673,926
Ensembl chr 1:190,625,181...190,674,850
JBrowse link
G PIK3R1 phosphoinositide-3-kinase regulatory subunit 1 multiple interactions EXP PIK3R1 protein mutant form inhibits the reaction [S-Nitrosoglutathione results in increased expression of HIF1A protein] CTD PMID:11514583 NCBI chr16:46,434,757...46,523,626
Ensembl chr16:46,434,873...46,523,609
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 875
    role 855
      application 495
        food additive 94
          flour treatment agent 43
            L-cysteine 27
              L-cysteine derivative 27
                (4R)-N-[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-3-[(2S,3S)-2-hydroxy-3-(\{N-[(isoquinolin-5-yloxy)acetyl]-S-methyl-L-cysteinyl\}amino)-4-phenylbutanoyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide 0
                (4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-(\{N-[(isoquinolin-5-yloxy)acetyl]-S-methyl-L-cysteinyl\}amino)-4-phenylbutanoyl]-1,3-thiazolidine-4-carboxamide 0
                2'-(S-L-cysteinyl)-L-histidine 0
                2-amino-3-(cystein-S-yl)isoxazolidin-5-ylacetic acid 0
                3'-(S-L-cysteinyl)-L-tyrosine 0
                4-(S-L-cysteinyl)-L-glutamic acid 0
                L-cysteic acid 0
                L-cysteine 2-naphthylamide 0
                L-cysteine amide 0
                L-cysteine methyl disulfide 0
                L-cysteine methyl ester 0
                L-cysteine oxazolecarboxylic acid 0
                L-cysteine oxazolinecarboxylic acid 0
                L-cysteine thiazolecarboxylic acid 0
                L-cysteine-S-dioxide + 0
                L-cysteinyl ester + 0
                L-cystine + 0
                L-cystine di-2-naphthylamide 0
                L-cystine mono-2-naphthylamide 0
                L-djenkolic acid 0
                N(2)-[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]-N-butyl-L-cysteinamide 0
                N(2)-[(R)-2-amino-2-(4-hydroxyphenyl)acetyl]-N-butyl-L-cysteinamide 0
                N(2)-[(R)-2-amino-2-phenylacetyl]-N-butyl-L-cysteinamide 0
                N-(L-isoaspartyl)-L-cysteine 0
                N-12-oxomyristoyl-L-cysteine residue 0
                N-12R-hydroxymyristoyl-L-cysteine residue 0
                N-[(R)-4-phosphopantothenoyl]-L-cysteine 0
                N-[(R)-pantothenoyl]-L-cysteine + 0
                N-acetyl-L-cysteine + 20
                N-acetyl-S-(2-succino)-L-cysteine 0
                N-acetylalliin 0
                N-butyl-N(2)-(2-thienylacetyl)-L-cysteinamide 0
                N-butyl-N(2)-[(2Z)-2-(2-furyl)-2-(methoxyimino)acetyl]-L-cysteinamide 0
                N-butyl-N(2)-[(R)-2-hydroxy-2-phenylacetyl]-L-cysteinamide 0
                N-carbamoyl-L-cysteine 0
                N-pyruvic acid 2-iminyl-L-cysteine 0
                S-(1,4-dihydroxynonan-3-yl)-L-cysteine 0
                S-(12-hydroxyfarnesyl)-L-cysteine residue 0
                S-(15-deoxy-Delta(12,14)-prostaglandin J2-9-yl)cysteine residue(1-) 0
                S-(5-histidyl)cysteine sulfoxide 0
                S-(6-FMN)-L-cysteine 0
                S-(8alpha-FAD)-L-cysteine 0
                S-(ADP-ribosyl)-L-cysteine + 0
                S-(diphytanylglyceryl)-L-cysteine residue 0
                S-(long-chain fatty acyl)-L-cysteine + 0
                S-[(2E,6E)-farnesyl]-L-cysteine methyl ester + 0
                S-acetyl-L-cysteine 0
                S-adenosyl-L-cysteine 0
                S-anthraniloyl-L-cysteine + 0
                S-glycosyl-L-cysteine + 0
                S-glycyl-L-cysteine 0
                S-hydroxy-L-cysteine + 0
                S-nitroso-L-cysteine + 0
                S-octanoyl-L-cysteine 0
                S-oxy-L-cysteine + 0
                S-phycocyanobilin-L-cysteine 0
                S-phycoerythrobilin-L-cysteine 0
                S-phytochromobilin-L-cysteine 0
                S-substituted L-cysteine + 0
                S-substituted N-acetyl-L-cysteine + 0
                S-sulfanylglutathione 0
                alliin + 0
                cilastatin 3
                glutathione + 5
                glutathione S-sulfinate 0
                glutathione sulfonate 0
                grixazone A 0
                grixazone B 0
                hercynylcysteine sulfoxide 0
                meso-lanthionine 0
                palmitoyl-L-cysteine + 0
                phycourobilin-bis-L-cysteine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 875
    subatomic particle 860
      composite particle 860
        hadron 860
          baryon 860
            nucleon 860
              atomic nucleus 860
                atom 860
                  main group element atom 850
                    p-block element atom 847
                      carbon group element atom 823
                        carbon atom 822
                          organic molecular entity 822
                            organic group 391
                              organic divalent group 389
                                organodiyl group 389
                                  carbonyl group 388
                                    carbonyl compound 388
                                      carboxylic acid 266
                                        amino acid 137
                                          alpha-amino acid 105
                                            L-alpha-amino acid 104
                                              serine family amino acid 48
                                                L-cysteine 27
                                                  L-cysteine derivative 27
                                                    (4R)-N-[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-3-[(2S,3S)-2-hydroxy-3-(\{N-[(isoquinolin-5-yloxy)acetyl]-S-methyl-L-cysteinyl\}amino)-4-phenylbutanoyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide 0
                                                    (4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-(\{N-[(isoquinolin-5-yloxy)acetyl]-S-methyl-L-cysteinyl\}amino)-4-phenylbutanoyl]-1,3-thiazolidine-4-carboxamide 0
                                                    2'-(S-L-cysteinyl)-L-histidine 0
                                                    2-amino-3-(cystein-S-yl)isoxazolidin-5-ylacetic acid 0
                                                    3'-(S-L-cysteinyl)-L-tyrosine 0
                                                    4-(S-L-cysteinyl)-L-glutamic acid 0
                                                    L-cysteic acid 0
                                                    L-cysteine 2-naphthylamide 0
                                                    L-cysteine amide 0
                                                    L-cysteine methyl disulfide 0
                                                    L-cysteine methyl ester 0
                                                    L-cysteine oxazolecarboxylic acid 0
                                                    L-cysteine oxazolinecarboxylic acid 0
                                                    L-cysteine thiazolecarboxylic acid 0
                                                    L-cysteine-S-dioxide + 0
                                                    L-cysteinyl ester + 0
                                                    L-cystine + 0
                                                    L-cystine di-2-naphthylamide 0
                                                    L-cystine mono-2-naphthylamide 0
                                                    L-djenkolic acid 0
                                                    N(2)-[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]-N-butyl-L-cysteinamide 0
                                                    N(2)-[(R)-2-amino-2-(4-hydroxyphenyl)acetyl]-N-butyl-L-cysteinamide 0
                                                    N(2)-[(R)-2-amino-2-phenylacetyl]-N-butyl-L-cysteinamide 0
                                                    N-(L-isoaspartyl)-L-cysteine 0
                                                    N-12-oxomyristoyl-L-cysteine residue 0
                                                    N-12R-hydroxymyristoyl-L-cysteine residue 0
                                                    N-[(R)-4-phosphopantothenoyl]-L-cysteine 0
                                                    N-[(R)-pantothenoyl]-L-cysteine + 0
                                                    N-acetyl-L-cysteine + 20
                                                    N-acetyl-S-(2-succino)-L-cysteine 0
                                                    N-acetylalliin 0
                                                    N-butyl-N(2)-(2-thienylacetyl)-L-cysteinamide 0
                                                    N-butyl-N(2)-[(2Z)-2-(2-furyl)-2-(methoxyimino)acetyl]-L-cysteinamide 0
                                                    N-butyl-N(2)-[(R)-2-hydroxy-2-phenylacetyl]-L-cysteinamide 0
                                                    N-carbamoyl-L-cysteine 0
                                                    N-pyruvic acid 2-iminyl-L-cysteine 0
                                                    S-(1,4-dihydroxynonan-3-yl)-L-cysteine 0
                                                    S-(12-hydroxyfarnesyl)-L-cysteine residue 0
                                                    S-(15-deoxy-Delta(12,14)-prostaglandin J2-9-yl)cysteine residue(1-) 0
                                                    S-(5-histidyl)cysteine sulfoxide 0
                                                    S-(6-FMN)-L-cysteine 0
                                                    S-(8alpha-FAD)-L-cysteine 0
                                                    S-(ADP-ribosyl)-L-cysteine + 0
                                                    S-(diphytanylglyceryl)-L-cysteine residue 0
                                                    S-(long-chain fatty acyl)-L-cysteine + 0
                                                    S-[(2E,6E)-farnesyl]-L-cysteine methyl ester + 0
                                                    S-acetyl-L-cysteine 0
                                                    S-adenosyl-L-cysteine 0
                                                    S-anthraniloyl-L-cysteine + 0
                                                    S-glycosyl-L-cysteine + 0
                                                    S-glycyl-L-cysteine 0
                                                    S-hydroxy-L-cysteine + 0
                                                    S-nitroso-L-cysteine + 0
                                                    S-octanoyl-L-cysteine 0
                                                    S-oxy-L-cysteine + 0
                                                    S-phycocyanobilin-L-cysteine 0
                                                    S-phycoerythrobilin-L-cysteine 0
                                                    S-phytochromobilin-L-cysteine 0
                                                    S-substituted L-cysteine + 0
                                                    S-substituted N-acetyl-L-cysteine + 0
                                                    S-sulfanylglutathione 0
                                                    alliin + 0
                                                    cilastatin 3
                                                    glutathione + 5
                                                    glutathione S-sulfinate 0
                                                    glutathione sulfonate 0
                                                    grixazone A 0
                                                    grixazone B 0
                                                    hercynylcysteine sulfoxide 0
                                                    meso-lanthionine 0
                                                    palmitoyl-L-cysteine + 0
                                                    phycourobilin-bis-L-cysteine 0
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