Also known as DAPE_CAUVC, dapE. Catalyzes the hydrolysis of N-succinyl-L, L-diaminopimelic acid (SDAP), forming succinate and LL-2, 6-diaminoheptanedioate (DAP), an intermediate involved in the bacterial biosynthesis of lysine and meso-diaminopimelic acid, an essential component of bacterial cell walls. Homodimer.