Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB000232
Name: gamma-Glutamylcysteine
Description:G-Glutamylcysteine is a product of enzyme glutamate-cysteine ligase [EC] and a substrate of enzyme glutathione synthase [EC] in glutamate metabolism pathway (KEGG).
  • γ-glutamylcysteine
  • γ-L-glutamyl-L-cysteine
  • (Des-Gly)-Glutathione
  • 3GC
  • 5-L-Glutamyl-L-cysteine
  • 5-L-Glutamylcysteine
  • g-Glu-cys
  • G-Glutamylcysteine
  • G-L-Glutamyl-L-cysteine
  • Gamma-Glu-cys
  • Gamma-Glutamylcysteine
  • Gamma-L-Glutamyl-L-cysteine
  • H-g-Glu-cys-OH
  • H-gamma-Glu-Cys-OH
  • H-Glu(Cys-OH)-OH
  • H-γ-Glu-cys-OH
  • L-g-Glutamyl-L-cysteine
  • L-g-Glutamylcysteine
  • L-gamma-Glutamyl-L-cysteine
  • L-gamma-Glutamylcysteine
  • L-γ-Glutamyl-L-cysteine
  • L-γ-Glutamylcysteine
  • N-(1-Carboxy-2-mercaptoethyl)-L-Glutamine
  • N-L-g-Glutamyl-L-cysteine
  • N-L-gamma-Glutamyl-L-Cysteine
  • N-L-γ-Glutamyl-L-cysteine
  • XN-L-g-glutamyl-Glutamine
  • XN-L-gamma-glutamyl-Glutamine
  • XN-L-γ-Glutamyl-glutamine
  • γ-Glu-cys
  • γ-Glutamylcysteine
  • γ-L-Glutamyl-L-cysteine
Chemical Formula: C8H14N2O5S
Average Molecular Weight: 250.272
Monoisotopic Molecular Weight: 250.062342258
CAS number: 636-58-8
IUPAC Name:(2S)-2-amino-4-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}butanoic acid
Traditional IUPAC Name: gamma-glutamylcysteine
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as gamma-glutamyl amino acids. These are dipeptides consisting of any C-terminal amino acid having a gamma-glutamyl residue attached at the N alpha-position.
Kingdom Organic compounds
Super ClassOrganic acids and derivatives
Class Carboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct Parent Gamma-glutamyl amino acids
Alternative Parents
  • Gamma-glutamyl alpha-amino acid
  • N-acyl-aliphatic-alpha amino acid
  • N-acyl-alpha amino acid or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-l-alpha-amino acid
  • L-alpha-amino acid
  • Alpha-amino acid or derivatives
  • N-substituted-alpha-amino acid
  • Alpha-amino acid
  • Amino fatty acid
  • Fatty acyl
  • Fatty acid
  • N-acyl-amine
  • Fatty amide
  • Dicarboxylic acid or derivatives
  • Secondary carboxylic acid amide
  • Carboxamide group
  • Carboxylic acid
  • Carboxylic acid amide
  • Alkylthiol
  • Hydrocarbon derivative
  • Primary amine
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Primary aliphatic amine
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
Physical Properties
State: Solid
Melting point: Not Available
Experimental Properties:
Predicted Properties
Water Solubility2.62 mg/mLALOGPS
pKa (Strongest Acidic)1.91ChemAxon
pKa (Strongest Basic)9.24ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area129.72 Å2ChemAxon
Rotatable Bond Count7ChemAxon
Refractivity56.31 m3·mol-1ChemAxon
Polarizability23.36 Å3ChemAxon
Number of Rings0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Cytoplasm
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies)splash10-054t-1920100000-5ce9a082971db6d9e2e9View in MoNA
GC-MSGC-MS Spectrum - GC-MSNot Available
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-0udi-0090000000-50bd1555ededc1afde80View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-0udi-0290000000-385ca433f03af7530f47View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-0ue9-5490000000-95d45a9cd2bb6249d3a2View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-001i-9510000000-5f29ca903abe05256c83View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, NegativeNot Available
1D NMR1H NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
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  • Andersson A, Isaksson A, Hultberg B: Homocysteine export from erythrocytes and its implication for plasma sampling. Clin Chem. 1992 Jul;38(7):1311-5. Pubmed: 1623596
  • Atamna H, Ginsburg H: The malaria parasite supplies glutathione to its host cell--investigation of glutathione transport and metabolism in human erythrocytes infected with Plasmodium falciparum. Eur J Biochem. 1997 Dec 15;250(3):670-9. Pubmed: 9461289
  • Diaz-Hernandez JI, Almeida A, Delgado-Esteban M, Fernandez E, Bolanos JP: Knockdown of glutamate-cysteine ligase by small hairpin RNA reveals that both catalytic and modulatory subunits are essential for the survival of primary neurons. J Biol Chem. 2005 Nov 25;280(47):38992-9001. Epub 2005 Sep 23. Pubmed: 16183645
  • Efferth T, Volm M: Glutathione-related enzymes contribute to resistance of tumor cells and low toxicity in normal organs to artesunate. In Vivo. 2005 Jan-Feb;19(1):225-32. Pubmed: 15796179
  • Iida M, Yasuhara T, Mochizuki H, Takakura H, Yanagisawa T, Kubo H: Two Japanese brothers with hereditary gamma-glutamyl transpeptidase deficiency. J Inherit Metab Dis. 2005;28(1):49-55. Pubmed: 15702405
  • Kaarteenaho-Wiik R, Kinnula VL: Distribution of antioxidant enzymes in developing human lung, respiratory distress syndrome, and bronchopulmonary dysplasia. J Histochem Cytochem. 2004 Sep;52(9):1231-40. Pubmed: 15314090
  • Kanehisa, M., Goto, S., Sato, Y., Furumichi, M., Tanabe, M. (2012). "KEGG for integration and interpretation of large-scale molecular data sets." Nucleic Acids Res 40:D109-D114. Pubmed: 22080510
  • Keseler, I. M., Collado-Vides, J., Santos-Zavaleta, A., Peralta-Gil, M., Gama-Castro, S., Muniz-Rascado, L., Bonavides-Martinez, C., Paley, S., Krummenacker, M., Altman, T., Kaipa, P., Spaulding, A., Pacheco, J., Latendresse, M., Fulcher, C., Sarker, M., Shearer, A. G., Mackie, A., Paulsen, I., Gunsalus, R. P., Karp, P. D. (2011). "EcoCyc: a comprehensive database of Escherichia coli biology." Nucleic Acids Res 39:D583-D590. Pubmed: 21097882
  • Levonen AL, Lapatto R, Saksela M, Raivio KO: Expression of gamma-glutamylcysteine synthetase during development. Pediatr Res. 2000 Feb;47(2):266-70. Pubmed: 10674357
  • Lochman P, Adam T, Friedecky D, Hlidkova E, Skopkova Z: High-throughput capillary electrophoretic method for determination of total aminothiols in plasma and urine. Electrophoresis. 2003 Apr;24(7-8):1200-7. Pubmed: 12707912
  • Lou MF, Dickerson JE Jr, Tung WH, Wolfe JK, Chylack LT Jr: Correlation of nuclear color and opalescence with protein S-thiolation in human lenses. Exp Eye Res. 1999 May;68(5):547-52. Pubmed: 10328968
  • Martensson J, Kagedal B, Larsson A: Sulphur amino-acid degradation in subjects with hereditary glutathione synthetase deficiency (5-oxoprolinuria). Eur J Clin Invest. 1985 Dec;15(6):371-4. Pubmed: 3938407
  • Martensson J: Method for determination of free and total glutathione and gamma-glutamylcysteine concentrations in human leukocytes and plasma. J Chromatogr. 1987 Sep 4;420(1):152-7. Pubmed: 3667817
  • Njalsson R, Ristoff E, Carlsson K, Winkler A, Larsson A, Norgren S: Genotype, enzyme activity, glutathione level, and clinical phenotype in patients with glutathione synthetase deficiency. Hum Genet. 2005 Apr;116(5):384-9. Epub 2005 Feb 17. Pubmed: 15717202
  • Sreekumar A, Poisson LM, Rajendiran TM, Khan AP, Cao Q, Yu J, Laxman B, Mehra R, Lonigro RJ, Li Y, Nyati MK, Ahsan A, Kalyana-Sundaram S, Han B, Cao X, Byun J, Omenn GS, Ghosh D, Pennathur S, Alexander DC, Berger A, Shuster JR, Wei JT, Varambally S, Beecher C, Chinnaiyan AM: Metabolomic profiles delineate potential role for sarcosine in prostate cancer progression. Nature. 2009 Feb 12;457(7231):910-4. Pubmed: 19212411
  • van der Werf, M. J., Overkamp, K. M., Muilwijk, B., Coulier, L., Hankemeier, T. (2007). "Microbial metabolomics: toward a platform with full metabolome coverage." Anal Biochem 370:17-25. Pubmed: 17765195
  • Winder, C. L., Dunn, W. B., Schuler, S., Broadhurst, D., Jarvis, R., Stephens, G. M., Goodacre, R. (2008). "Global metabolic profiling of Escherichia coli cultures: an evaluation of methods for quenching and extraction of intracellular metabolites." Anal Chem 80:2939-2948. Pubmed: 18331064
  • Zinellu A, Sotgia S, Posadino AM, Pasciu V, Perino MG, Tadolini B, Deiana L, Carru C: Highly sensitive simultaneous detection of cultured cellular thiols by laser induced fluorescence-capillary electrophoresis. Electrophoresis. 2005 Mar;26(6):1063-70. Pubmed: 15706569
Synthesis Reference: Bridge, Wallace John; Zarka, Martin Hani. Enzymic production of g-glutamylcysteine. PCT Int. Appl. (2006), 76pp.
Material Safety Data Sheet (MSDS) Download (PDF)
External Links:
Pubchem Compound ID123938
Kegg IDC00669
ChemSpider ID110467
Wikipedia IDNot Available
Ligand Expo3GC