. "In vivo, the reaction occurs in the opposite direction to that shown above." . "This is one of the final steps in the lysine biosynthesis pathway of plants (ranging from mosses to flowering plants)." . "Meso-diaminoheptanedioate, an isomer of LL-2,6-diaminoheptanedioate, and the structurally related compounds lysine and ornithine are not substrates." . "2-oxoglutarate cannot be replaced by oxaloacetate or pyruvate." . "It is not yet known if the substrate of the biosynthetic reaction is the cyclic or acyclic form of tetrahydropyridine-2,6-dicarboxylate." . . . "LL-diaminopimelate aminotransferase" . "LL-DAP aminotransferase" . "LL-DAP-AT" . "LL-diaminopimelate transaminase" . "LL-2,6-diaminoheptanedioate + 2-oxoglutarate = (S)-2,3,4,5-tetrahydropyridine-2,6-dicarboxylate + L-glutamate + H(2)O." . "Pyridoxal 5'-phosphate" .