Last modified on 21 June 2014, at 13:41

side chain

EnglishEdit

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NounEdit

side chain (plural side chains)

  1. (chemistry) in organic chemistry, that part of a molecule attached to some core structure; a radical
  2. (biochemistry) the variable parts of amino acids that extend from the peptide backbone in proteins; they are referred to as R-groups, which branch off the backbone at the alpha carbon (Cα).