Enhancement of Serum-response Factor-dependent Transcription and DNA Binding by the Architectural Transcription Factor HMG-I(Y)

Structural analysis and DNA binding of the HMG domains of the human mitochondrial transcription factor A

The mitochondrial transcription factor A (mtTFA) is central to assembly and initiation of the mitochondrial transcription complex. Human mtTFA (h-mtTFA) is a dual high mobility group box (HMGB) protein that binds site-specifically to the mitochondrial genome and demarcates the promoters for recruitment of h-mtTFB1, h-mtTFB2 and the mitochondrial RNA polymerase. The stoichiometry of h-mtTFA was ...

DNA binding by the ribosomal DNA transcription factor rrn3 is essential for ribosomal DNA transcription.

The human homologue of yeast Rrn3 is an RNA polymerase I-associated transcription factor that is essential for ribosomal DNA (rDNA) transcription. The generally accepted model is that Rrn3 functions as a bridge between RNA polymerase I and the transcription factors bound to the committed template. In this model Rrn3 would mediate an interaction between the mammalian Rrn3-polymerase I complex an...

Evolution of transcription factor DNA binding sites.

In bioinformatics, binding of transcription regulatory factors to the cognate binding sites is usually described by sequence-specific binding energy, which is estimated from a training sample of sites. This model implies that all binding sites with binding energy above some threshold are functional and site sequence variations should be considered neutral until they do not reduce this energy be...

Linking Transcription Factor Expression with DNA Binding

Transcription factor phosphorylation by the DNA-dependent protein kinase.

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