C-terminal-gamma-(L-glutamyl)-L-glutamyl(3-) group
c-terminal-gamma-(l-glutamyl)-l-glutamyl(3-) group
An α-amino-acid residue anion obtained by deprotonation of the carboxy groups of C-terminal-γ-(<small>L</small>-glutamyl)-<small>L</small>-2-glutamic acid group. Major structure at pH 7.3.