The molecule is a peptide anion obtained from the deprotonation of the two carboxy groups, and protonation of the primary amino group of human beta-casomorphin-7. It is the major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a beta-casomorphin-7 (human).
(2S,3S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-azaniumyl-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-3-methylbutanoyl]amino]-4-carboxylatobutanoyl]pyrrolidine-2-carbonyl]amino]-3-methylpentanoate