Chromatin structure as probed by nucleases and proteases: evidence for the central role of histones H3 and H4.


We have examined the role by each histone in forming the structure of the nu-body. When DNAase I, DNAase II, trypsin and chymotrypsin attack chromatin, characteristic discrete DNA and protein digest fragments are produced. Using this restriction of accessibility as diagnostic for chromatin structure, we have examined complexes of DNA with virtually all… (More)


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