Jonkers, I.

binding figure promoter protein rna polymerase i spacer mouse spacer promoter probe chromatin polymerase transcription analysis gene promoter factor es cells es cell lines ctcfl number antibody mouse rdna ctcf-bio control interaction ctcf binding site region ncrna ctcf binding extract result ccctc binding factor rdna spacer promoter experiment histone pre-rrna domain buffer ctcf binding sites epigenetic nobelen primers 42.1 k 562 cells day 3 level binding factor nucleolar copy number determination 37.9 ccctc transfected panel chip analysis table h 37.9 sequence assay signal beads 24-240j blot analysis rrna genes ncrna probe arrow histone h 3 hek 293t extracts methylated fusion mouse xist accumulation manner image partner grosveld f 4 days rnf 12 insulator anti-ctcf amount expression immunoprecipitation