1. The sterochemical configuration of glycerol moiety of seminolipid (1-O-alkyl-2-O-beta-D-(3'-sulfo) galactopyranosylglycerol: Ishizuka, I., Suzuki, A. and Yamakawa, T. (1973). J. Biochem. 73, 77--87) from mammalian testis was determined by measurement of optical rotatory dispersion of