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Sphingomyelin and ceramide: phosphoethanolamine synthesis in ram spermatozoa plasma membrane
V Ts Hinkovska-Galcheva1, D H Petkova, M N Nikolova
1Central Laboratory of Biophysics, Bulgarian Academy of Sciences, Sofia.
The International Journal of Biochemistry
|January 1, 1989
Abstract:
1. The possibility for sphingomyelin and ceramide: phosphoethanolamine synthesis in ram spermatozoa plasma membranes has been established. 2. Ceramide: phosphoethanolamine formation appears to be higher than the synthesis of sphingomyelin. 3. The pH optimum of the phosphatidylethanolamine: ceramide-phosphoethanolamine transferase is about 7.0. An inhibition of its activity was observed in the presence of Ca2+ and Zn2+ ions.