(7R,8S)-7,8-diammoniononanoate + (S)-2-amino-6-oxohexanoate => (8S)-8-amino-7-oxononanoate + L-lysine
(7r,8s)-7,8-diammoniononanoate + (s)-2-amino-6-oxohexanoate => (8s)-8-amino-7-oxononanoate + l-lysine