Detection and purification of sequence-specific DNA binding protein.

Abstract

A simple assay for identifying DNA-binding proteins is described that involves loading of protein fractions onto nitrocellulose membrane using a slot-blot apparatus, incubating with 32P-labeled DNA probe in buffer in the presence of excess of nonspecific E. coli DNA at room temperature, and washing with increasing concentration of NaCl (from 50 to 500 mM… (More)

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