Reciprocal Binding of PARP-1 and Histone H1 at Promoters Specifies Transcriptional Outcomes

Two nucleosome binding proteins with similar nucleosome-binding properties and similar modulating activities on promoter chromatin architecture proofed to play distinct roles in the determination of target gene transcription and thus the final gene expression in vivo.
The proteins analysed by scientists from the Cornell University (USA) were and (). They discovered that the two molecules show a reciprocal pattern of chromatin binding at many -transcribed promoters: was more frequent associated with the promoter when binding was diminished at the same time. The pattern could be linked to presently transcribed genes. Also, seems to exclude actively from some of the stimulated promoters. This points at a functional interplay between and in regard to nucleosome binding.

Related antibodies on

Antibodies for the research area transcription factors: