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Chemical structure of H-Lys-Cys-Thr-Cys-Cys-Ala-OH

GA22689

H-Lys-Cys-Thr-Cys-Cys-Ala-OH

Also known as (2S)-2-[[(2R)-2-[[(2R)-2-[[(2S,3R)-2-[[(2R)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-sulfanylpropanoyl]amino]-3-hydroxybutanoyl]amino]-3-sulfanylpropanoyl]amino]-3-sulfanylpropanoyl]amino]propanoic acid

The cysteine-rich peptide KCTCCA represents the C-terminal portion (residues 56-61) of mouse liver metallothionein-I· It shows a strong binding affinity to the metal ions Cd²? and Zn²? and exerts a protective effect against cadmium (Cd²?) toxicity in vivo and in vitro

ChemicalCAS69557-39-7MW627.81FormulaC22H41N7O8S3
CAS number
69557-39-7
Molecular weight
627.81
Formula
C22H41N7O8S3
Solubility
Soluble in DMSO
InChIKey
YLMDZVLJMXJONY-DWTGPMEZSA-N
Catalogue number
GA22689
Brand
GLPBIO
Computed properties PubChem CID 14767452 · XLogP -5.4 · TPSA 258 Ų · H-bond donors 12
XLogP
-5.4
TPSA
258 Ų
H-bond donors
12
H-bond acceptors
13
Rotatable bonds
19
Heavy atoms
40

SMILES C[C@H]([C@@H](C(=O)N[C@@H](CS)C(=O)N[C@@H](CS)C(=O)N[C@@H](C)C(=O)O)NC(=O)[C@H](CS)NC(=O)[C@H](CCCCN)N)O

Computed descriptors from PubChem (CID 14767452), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

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