N-formyl-L-methionyl-L-isoleucyl-L-phenylalanyl-L-leucine(1-)
n-formyl-l-methionyl-l-isoleucyl-l-phenylalanyl-l-leucine(1-)
A peptide anion obtained by deprotonation of the carboxy group of <em>N</em>-formyl-<small>L</small>-methionyl-<small>L</small>-isoleucyl-<small>L</small>-phenylalanyl-<small>L</small>-leucine; major species at pH 7.3.