Gene knockouts indicate that 10 subunits are essential, & 2 are required under ... have regions of homology with the b and b' subunits of the E. coli RNAP and ...
Class I Promoters (for nRNAP I) Sequences less conserved than Class II ... deletions at the 5'-end of the Xenopus 5S rRNA gene on its transcription in vitro. ...
... have regions of homology with the b and b' subunits of the E. coli RNAP and ... Result: It required deleting more than 50 bp into this small gene to knock out ...
... mutagenesis of the Herpes virus tk promoter identifies 2 important upstream regions. ... Flip 180 degrees, no effect. Both are position independent. Can ...
Actinomycin D - general transcription inhibitor, binds DNA and intercalates into ... Actinomycin D, at low concentrations, did not inhibit synthesis of heterogenous ...
Actinomycin D - general transcription inhibitor, binds DNA and intercalates into ... Not inhibited by aminitin, but inhibited by low concentrations of actinomycin D. ...
RNA synthesis by isolated nuclei indicated that there were at least 2 ... 3 nuclear RNA polymerases from sea urchin embryos by ion exchange chromatography ...
Required for initiation at nearly all promoters; determine site of initiation; ... Work like upstream factors but are regulatory. Made or active only at ...