Description
The human p52 protein is a non-TAF transcription coactivator that mediates activator-dependent transcription by RNA Polymerase II. The function of p52 is through interactions with transcriptional activators and the basal transcription machinery. In addition, p52 could also interact with several cellular proteins including the transcription coactivator PC4, the essential splicing factor ASF/SF2 and the nuclear protein nucleolin. Recombinant p52 protein (wild type, 333 amino acids) is isolated from an E.coli strain that carries the coding sequence of human p52 under the control of T7 promoter and purified by the combination of an affinity column and FPLC chromatography. Recombinant p52 has been utilized for in vitro function studies, including transcription, splicing, protein-DNA/RNA and protein-protein interactions. Protein is greater than 95% homogeneous and contains no detectable protease, DNase, and RNase activity