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Binding of histone H1 to isolated 123-bp fragment, either cis-modified or unmodified. Lanes C contain the respective DNA control; the successive lanes contain increasing amounts of histone H1 (expressed as one molecule of H1 per number of bp) as follows: 1/160, 1/64, 1/32, and 1/16. Lane M contains pUC19/BstNI marker.
