Transcriptional repressor CTCF (CTCF)

Chromatin binding factor that binds to DNA sequence particular sites. Acts as transcriptional repressor binding to promoters of vertebrate MYC gene and BAG1 gene.

Also binds to the PLK and PIM1 promoters. Plays an important role in oocyte and preimplantation embryo development by activating or repressing transcription.