label: L-propargylglycine + L-glutamate + ATP <=> L-gamma-glutamyl-L-propargylglycine + ADP + phosphate + H(+)
label_lc: l-propargylglycine + l-glutamate + atp <=> l-gamma-glutamyl-l-propargylglycine + adp + phosphate + h(+)