SMILES: C(CCNCCCCN)C[C@@H](C(=O)O)N
Description: The molecule is an L-lysine derivative in which the N(6) of the lysine is substituted with a 4-aminobutyl group. It has a role as a human metabolite. It is a non-proteinogenic L-alpha-amino acid and a L-lysine derivative. It derives from a hypusine.