[Particulate fractionation and properties of basic proteins of sperm chromatin of bivalve molluscs]. / Chastichnoe fraktsionirovanie i nekotorye kharakteristiki osnovnykh belkov khromatina spermiev dvustvorchatykh molliuskov.

ABSTRACT

A procedure for particulate fractionation of a composite set of sperm chromatin basic proteins in bivalves consisting of histones and protamine-like proteins has been developed. Some sperm proteins in 4 specimens of molluscs were obtained in individual form using chemical methods and preparative electrophoresis. The amino acid composition of these proteins was assayed. The results obtained are discussed in terms of evolution of sperm chromatin basic proteins.