N-terminal glycyl-[protein] + [protein]-C-terminal glycine => a glycyl-glycyl-[protein] + H2O
n-terminal glycyl-[protein] + [protein]-c-terminal glycine => a glycyl-glycyl-[protein] + h2o
N-terminal glycyl-[protein] + [protein]-C-terminal glycine => a glycyl-glycyl-[protein] + H2O
n-terminal glycyl-[protein] + [protein]-c-terminal glycine => a glycyl-glycyl-[protein] + h2o