SMILES: C1=C(C(=C(N1)C[NH3+])CC(=O)[O-])CCC(=O)[O-]
Description: The molecule is conjugate base of porphobilinogen arising from deprotonation of the two carboxy groups and protonation of the amino group; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a porphobilinogen.