SMILES: C[NH2+]CCCC[C@@H](C(=O)[O-])[NH3+]
Description: The molecule is an alpha-amino-acid cation that is the conjugate base of N(6)-methyl-L-lysine, arising from protonation of the two amino groups and deprotonation of the carboxylic acid; major species at pH 7.3. It is a conjugate acid of a N(6)-methyl-L-lysine.