... -45-1Characteristics:White crystalline powder.Quality Standards:AJI97.Usage: L-serine is a nonessential amino acid, it occurs naturally in an ... L-isomer form. L-serine is synthesized from glycine or theonine. It is ... biosynthesis of purines, pyrimidines, and other amino acids. L-serine plays a role in cell proliferation.Package and TransportThe inner ...