Complex sentence: Molecular oxygen and the copper ion reoxidize the cofactor to produce hydrogen peroxide, yielding another imine, and additional hydrolysis releases ammonia and the original cofactor, completing the catalytic cycle.
Split into simpler sentences: Molecular oxygen and the copper ion are utilized to reoxidize the cofactor and yield another imine, producing hydrogen peroxide as a side product. Additional hydrolysis releases ammonia and the original cofactor, completing the catalytic cycle.