L-Phe-Gly-L-Leu-L-Met-NH2(1+)
l-phe-gly-l-leu-l-met-nh2(1+)
A peptide cation that is the conjugate acid of <small>L</small>-Phe-Gly-<small>L</small>-Leu-<small>L</small>-Met-NH<small><sub>2</sub></small>, arising from the protonation of the <em>N</em>-terminal amino group. Major species at pH 7.3.