WIKILORD

Rare card

Cysteine

Value
50 W
Attack
299
Defence
239
Players
0
Cysteine (; symbol Cys or C) is a semiessential proteinogenic amino acid with the formula HS−CH2−CH(NH2)−COOH. The thiol side chain in cysteine enables the formation of disulfide bonds, and often participates in enzymatic reactions as a nucleophile.

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