Main Reaction: phosphatidylethanolamine + serine >> phosphatidylserine + ethanolamine

Reference: PubMed ID: 2684962
Authors: Hasegawa K, Kuge O, Nishijima M, Akamatsu Y
Title: Isolation and characterization of a Chinese hamster ovary cell mutant with altered regulation of phosphatidylserine biosynthesis.
Published: 1989 Nov 25

phosphatidylethanolamine + serine --> phosphatidylserine + ethanolamine