[Small cytoplasmic poly(A)+RNA, homologous to the B2 repetitive sequence of the mouse genome, is present in ribonucleoproteins].


Small cytoplasmic poly(A) + RNA homologous to a highly repeated sequence B2 of the mouse genome (scB2 RNA) was not found as free RNA within a cell. This RNA is bound to small (12-18S) ribonucleoprotein particles as well as to heavy RNP particles, apparently informosomes. After deproteinization of the heavy RNP the major part of scB2 RNA molecules… (More)


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