Wall, L.

oligonucleotide binding promoter sequence protein extract region factor erythroid k 562 mel extracts enhancer assay research erythroid-specific footprint methylation binding sites b 3/c pbgd promoter cac box heme biosynthetic pathway dnasei consensus globin interference f-globin +45 acids research complex transcription sv 40 apl -180 apl consensus sequence nf-e 2 nf-e 1 competition mel cells -160 -100 pattern strand chicken differentiation hela extracts -130 addition p-globin dnasei digestion affinity uninduced retardation mobility induction gel retardation assays gel retardation patterns mel cell differentiation methylation interference patterns fragment analysis c-fos apl erythroid differentiation oligonucleotides b binding site panel experiment result probe deboer pathway shift coding amount method grosveld cac-binding proteins u.s.a motif pbgd erythroid -70