Term Name:	N-(4-ammoniobutylidene)-L-lysinium(2+) residue
Synonyms:	N-(4-aminobutylidene)-L-lysine residue
Definition:	An α-amino-acid residue cation obtained by protonation of the amino and imino nitrogens of N-(4-aminobutylidene)-L-lysine residue; major species at pH 7.3
Ontology:	ChEBI [CHEBI:136911]  ( EBI )