7155-7164. 257. "Kinetic Resolution of Unnatural and Rarely Occurring Amino Acids: Enantioselective Hydrolysis of N-Acyl Amino Acids Catalyzed by Acylase N, Chenault, H. K., Dahmer, J. and Whitesides, G. M., J. Am. Chem. Soc., 1989, 111, 6354.6364. 256. "D-Lactate Dehydrogenase: Substrate Specificity