National Center for Biotechnology Information NCBI NLM MEDLINE genetic humans pubmed abstract nih national institutes of health national library of medicine models research support u.s. gov't Comparative Study P.H.S. genetic* Transcription Factors / metabolism* Promoter Regions transcription hela cells protein binding dna-binding proteins / metabolism macromolecular substances recombinant proteins / metabolism repressor proteins / metabolism dna mutational analysis g gill transcription factor tfiid genetic / genetics pmid:7906413 pmc43126 doi:10.1073/pnas.91.4.1210 k ferreri m montminy cyclic amp / pharmacology cyclic amp response element modulator cyclic amp response element-binding protein / genetics cyclic amp response element-binding protein / metabolism* peptide fragments / metabolism rna polymerase ii / metabolism* somatostatin / genetics transcription factors / drug effects