is conjugate acid of lysinium(1+) lysinium(2+) +2 1-carboxypentane-1,5-diaminium 148.121 148.20352 An alpha-amino-acid cation obtained by protonation of both amino groups of lysine. C6H16N2O2 CHEBI:32565 InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)/p+2 KDXKERNSBIXSRK-UHFFFAOYSA-P [NH3+]CCCCC([NH3+])C(O)=O chebi_ontology lysine dication lysinediium lysinium(2+) alpha-amino-acid cation