L-Cysteine

  • Chemical Properties
CAS No. 52-90-4 Cat. No. BCP29196
Name L-Cysteine
Synonyms Cysteine;Half-cystine;
Formula C3H7NO2S M. Wt 121.15
  • Biological Activity
Description L-cysteine is an optically active form of cysteine having L-configuration. It has a role as a flour treatment agent, a human metabolite and an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor. It is a serine family amino acid, a proteinogenic amino acid, a cysteine and a L-alpha-amino acid. It is a conjugate base of a L-cysteinium. It is a conjugate acid of a L-cysteinate(1-). It is an enantiomer of a D-cysteine. It is a tautomer of a L-cysteine zwitterion.

Structure

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