(5R)-5-hydroxy-L-lysine(1+) residue
(5r)-5-hydroxy-l-lysine(1+) residue
An amino-acid cation residue obtained by protonation of the side-chain amino group of (5<i>R</i>)-5-hydroxy-<small>L</small>-lysine residue residue; major species at pH 7.3.