Immunogen sequence: QANAELAVRD MLRAFGTSRQ ARGLPLEVSS EDHMDDGSPI RLRVQISLSQ GSAVFDFSGT GPEVFGNLNA. OPLAH catalyzes the cleavage of 5-oxo-L-proline to form L-glutamate coupled to the hydrolysis of ATP to ADP and inorganic phosphate. ATP + 5-oxo-L-proline +