5ha4 is a 2 chain structure with sequence from Acib3. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
[DAPF_ACIB3] Catalyzes the stereoinversion of LL-2,6-diaminoheptanedioate (L,L-DAP) to meso-diaminoheptanedioate (meso-DAP), a precursor of L-lysine and an essential component of the bacterial peptidoglycan.