National Center for Biotechnology Information NCBI NLM MEDLINE genetic Drosophila animals pubmed abstract nih national institutes of health national library of medicine models research support non-u.s. gov't u.s. gov't amino acid sequence P.H.S. Transcription Factors / metabolism* Molecular Sequence Data transcription nuclear proteins / metabolism protein binding transcriptional activation dna-binding proteins / metabolism drosophila proteins* histone acetyltransferases r tjian transcription factor tfiid transcription factors / biosynthesis* pmid:7923382 doi:10.1016/0092-8674(94)90403-0 j l chen l d attardi recombinant proteins / biosynthesis* sp1 transcription factor / metabolism tata box tata-binding protein associated factors* tata-box binding protein genetic / physiology