Article
Mapping the protein interaction network for TFIIB-related factor Brf1 in the RNA polymerase III preinitiation complex.
Molecular and cellular biology - 1 Feb 2014
Khoo Seok-Kooi, Wu Chih-Chien, Lin Yu-Chun, Lee Jin-Cheng, Chen Hung-Ta
Abstract excerpt
TFIIB-related factor Brf1 is essential for RNA polymerase (Pol) III recruitment and open-promoter formation in transcription initiation. We site specifically incorporated a nonnatural amino acid cross-linker into Brf1 to map its protein interaction targets in the preinitiation complex (PIC). Our cross-linking analysis in the N-terminal domain of Brf1 indicated a pattern of multiple protein interactions...
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