Main Reaction: aspartic acid + Thr + lysine >> L-4-aspartyl phophate

Reference: PubMed ID: 15277749
Authors: Gunji Y, Tsujimoto N, Shimaoka M, Ogawa-Miyata Y, Sugimoto S, Yasueda H
Title: Characterization of the L-lysine biosynthetic pathway in the obligate methylotroph Methylophilus methylotrophus.
Published: 2004 Jul

aspartic acid + Thr + lysine --> L-4-aspartyl phophate