side chain


Wikipedia has an article on:


Alternative formsEdit


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).
Read in another language