... only in testes of the X0 males, ormales lacking the cry locus on the Y- chromosome. In thiscase the accumulated Stellate protein forms proteinaceouscrystals in primary spermatocytes of the cry-defic ... Boldyreff, B., Marin, O., Marchiori, F., Perich, J.W.,Issinger, O G., Pinna, L.A. (1992) The effect of polylysine oncasein-kinase-2 activity is in uenced by both the structure of the protein/peptide ... replacement of one b subunit by another i n the case of a deficiency of any of the subunits, i.e. a so calledÔbypassÕ mechanism may operate in order to maintainappropriate levels and targeting of CK2...