C-terminal-gamma-L-glutamyl-L-lysine(1-) group
c-terminal-gamma-l-glutamyl-l-lysine(1-) group
An α-amino-acid residue anion obtained by deprotonation of C-terminal-γ-<small>L</small>-glutamyl-<small>L</small>-lysine residue. Major structure at pH 7.3