D-(-)-2-Phenylglycine (Cefalexin EP Impurity A) is the derivative of glycine (G615990), a non-essential amino acid for human development. Glycine is an inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors.
参考文献
Wang, L., et al.: Enzyme. Microb. Technol., 51, 107 (2012); Koide, H., et al.: J. Antibotics., 65, 91 (2012); Adediran, S.A., et al.: Biochem., 50, 376 (2011);