The N-terminal αN helix, C-terminal β3 strand, and 310 helix of H2A observed in the H2A-H2B nucleosome structure are disordered in isolated H2A-H2B. In addition, the H2A α1 and H2B αC helices are not well fixed in the heterodimer, and the H2A and H2B tails are not completely ...
构成核小体中央的组蛋白八聚体的组蛋白是( )A.2H1+2H2B+2H3+2H4B.2H1+2H2A+2H3+2H4C.4H1+2H2A+2H2BD.4H1+2H3+2H