A dipeptide intermediate in GSSG synthesis
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Product Type

Biochemicals
Peptides

Cystinyl-bis-glycine

Item No. 30494

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
L-cysteinyl-glycine, bimol. (1→1′)-disulfide
CAS Number
7729-20-6
Synonyms
  • (Cys-Gly)2
  • (H-Cys-Gly-OH)2
  • NSC 333711
Molecular Formula
C10H18N4O6S2
Formula Weight
354.4
Purity
≥95%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
PBS (pH 7.2): 1 mg/ml
SMILES
OC(CNC([C@@H](N)CSSC[C@H](N)C(NCC(O)=O)=O)=O)=O
InChi Code
InChI=1S/C10H18N4O6S2/c11-5(9(19)13-1-7(15)16)3-21-22-4-6(12)10(20)14-2-8(17)18/h5-6H,1-4,11-12H2,(H,13,19)(H,14,20)(H,15,16)(H,17,18)/t5-,6-/m0/s1
InChi Key
KDJVKDYFFTWHBO-WDSKDSINSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $75

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    5 mg

    $222

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    10 mg

    $369

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    25 mg

    $827

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    Product Description

    Cystinyl-bis-glycine is a dipeptide intermediate in the synthesis of oxidized glutathione that is composed of two cysteinylglycine peptides linked by a disulfide bond.1 It is formed via nonenzymatic oxidation of cysteinylglycine, a glutathione catabolite produced by γ-glutamyl transpeptidase.1,2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Griffith, O.W., and Tate, S.S. The apparent glutathione oxidase activity of γ-glutamyl transpeptidase. Chemical mechanism. The Journal of Biological Chemisty 255(11), 5011-5014 (1980).

    2. Kozak, E.M., and Tate, S.S. Glutathione-degrading enzymes of microvillus membranes. The Journal of Biological Chemisty 257(11), 6322-6327 (1982).