Identification of a 68 kDa protein species as a specific DNA-binding component of the H3abp complex interacting with the histone H3.2 G1/S regulatory domain

The hamster histone H3.2 promoter contains a protein binding site (referred to as site X) required for G1/S transcriptional activation. We report here that nuclear extracts prepared from serum synchronized cells at various stages of the cell cycle show a blphasic increase In the H3.2 specific comple...

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