Article
TBP recruitment to the U1 snRNA gene promoter is disrupted by substituting a U6 proximal sequence element A (PSEA) for the U1 PSEA.
FEBS letters - 9 Jul 2008
Barakat Nermeen H, Stumph William E
Abstract excerpt
Transcription of Drosophila U1 or U6 snRNAs by RNA polymerases II and III respectively requires a unique approximately 21 base-pair promoter element termed the proximal sequence element A (PSEA) recognized by the snRNA activating protein complex (DmSNAPc). A five-nucleotide substitution that changed the U1 PSEA to a U6 PSEA inactivated the U1 promoter. Chromatin immunoprecipitation assays indicated this...
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