Date published: 2026-4-5

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L-Cysteinylglycine (CAS 19246-18-5)

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CAS Number:
19246-18-5
Molecular Weight:
178.21
Molecular Formula:
C5H10N2O3S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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L-Cysteinylglycine is a sulfur-containing amino acid found in many proteins and peptides that is involved in various metabolic processes. It is synthesized from cysteine and glycine and is a precursor to other amino acids such as taurine and methionine. It is also involved in the synthesis of glutathione, an important antioxidant in the body. In addition, L-Cysteinylglycine is involved in the regulation of gene expression and the activation of transcription factors. It is used in biochemistry, cell biology, and molecular biology to study protein structure, enzyme activity, and metabolic pathways. It is also used in proteomics to study protein-protein interactions and post-translational modifications.


L-Cysteinylglycine (CAS 19246-18-5) References

  1. Inhibition of rat liver glutathione S-transferase isoenzymes by peptides stabilized against degradation by gamma-glutamyl transpeptidase.  |  Adang, AE., et al. 1991. J Biol Chem. 266: 830-6. PMID: 1670775
  2. Purification and characterization of dipeptidase hydrolyzing L-cysteinylglycine from radish cotyledon.  |  Kumada, HO., et al. 2007. Biosci Biotechnol Biochem. 71: 3102-4. PMID: 18071263
  3. L-leucine and its analogue: specific inhibitors for S-benzyl-L-cysteine-p-nitroanilide-hydrolyzing enzyme in Escherichia coli B.  |  Murata, K., et al. 1988. Biochem Biophys Res Commun. 153: 767-72. PMID: 3289539
  4. Serum metabolomic profile of hair dye use.  |  Lim, JE., et al. 2023. Sci Rep. 13: 3776. PMID: 36882504
  5. L-cysteinylglycine: its occurrence and identification.  |  Tkachuk, R. 1970. Can J Biochem. 48: 1029-36. PMID: 5475464
  6. Inactivation of renal gamma-glutamyl transferase by 6-diazo-5-oxo-L-norleucylglycine, an inactive precursor of affinity-labeling reagent.  |  Inoue, M. and Morino, Y. 1981. Proc Natl Acad Sci U S A. 78: 46-9. PMID: 6113588
  7. Thiazolidine-2-carboxylate derivatives formed from glyoxylate and L-cysteine or L-cysteinylglycine as possible physiological substrates for D-aspartate oxidase.  |  Burns, CL., et al. 1984. Biochem Biophys Res Commun. 125: 1039-45. PMID: 6151397
  8. Proton NMR spectroscopic studies of dipeptidase in human erythrocytes.  |  King, GF., et al. 1983. Biochem Biophys Res Commun. 110: 305-12. PMID: 6838517
  9. Utilization of glutathione (L-gamma-glutamyl-L-cysteinylglycine) by Fusobacterium nucleatum subspecies nucleatum.  |  Carlsson, J., et al. 1994. Oral Microbiol Immunol. 9: 297-300. PMID: 7808772
  10. Competition for peptides and amino acids among periodontal bacteria.  |  Tang-Larsen, J., et al. 1995. J Periodontal Res. 30: 390-5. PMID: 8544102

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

L-Cysteinylglycine, 25 mg

sc-500579
25 mg
$63.00