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CRC Crit Rev Biochem. 1985;19(2):89-106.

Curved DNA.


A priori considerations and the concept of the sequence-dependent local curving of the DNA axis. Experimental evidence: electric dichroism (relaxation time measurements); anomalous electrophoretic mobility and gel-filtration of some restriction fragments of DNA; one-sided binding of the nucleosomal DNA to the mica surface. Theoretical predictions concerning the nucleotide sequences of the curved DNA. Discovery of the dinucleotide periodicity in the chromatin DNA. The sequence periodicity as a tool for mapping of the nucleosomes along the sequences. Preferential binding of the histone octamers to the curved pieces of DNA--sequence analysis predictions and comparison with experiments: Theoretical and experimental estimates of the tilt and roll angles for different combinations of the neighboring base-pairs. Inherent sequence-dependent curvature and apparent persistence length of DNA.

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