Characterization of a protein that interacts with the rat ribosomal gene promoter and modulates RNA polymerase I transcription.

Abstract

An RNA polymerase I core promoter binding factor (CPBF) was purified to apparent homogeneity from rat adenocarcinoma ascites cells by chromatographic fractionation on a series of columns including an oligodeoxynucleotide affinity column. The final preparation contained two polypeptides with molecular masses of 44,000 and 39,000 daltons. The binding of the… (More)

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