Cysteine meaning

sĭs'tə-ēn', -ĭn, -tē-
An amino acid, C3 H7 O2 NS, derived from cystine and found in most proteins.
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A nonessential amino acid, HSCH2CH(NH2)COOH, derived from cystine.
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An amino acid, C3 H7 O2 NS, derived from cystine and found in most proteins.
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A nonessential amino acid. Chemical formula: C3H7NO2S.
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(biochemistry) A sulphur-containing nonessential amino acid C3H7NO2S found in most animal proteins; it readily oxidizes to cystine.
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Origin of cysteine

An alteration of cystine.

Sentence Examples

  • Other nutrients that assist in detoxifying the body, including methionine, cysteine, and other amino acids, may also be helpful.

  • amino acids cysteine and methionine.

  • Deprotonation of the cysteine sulfhydryl by an adjacent histidine residue is followed by nucleophilic attack of the cysteine S on the peptide carbonyl carbonyl carbon.

  • Once activated caspases act as cysteine proteases, using a cysteine side chain for catalyzing peptide bond cleavage at aspartyl residues in their substrates.

  • Firstly, asparagus contains a number of sulfur containing chemicals including the amino acids cysteine and methionine.

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Words near cysteine in the Dictionary