Nurturing Life Sciences
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#Unit 2. Cellular Organization
First the H3.H4 assemble into tetramer (HOI) then DNA wrapped over H3.H4 tetramer.
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The H32.H42 tetramer bound to DNA recruits two copies of the H2A.H2B dimer to complete the assembly of the final nucleosome
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The nucleosome has an approximate twofold axis of symmetry, called the dyad axis.
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DNA enters at 1 o’clock and exits at just short of 11 o’clock on one axis and they change time after 180 degree rotation