| 1. | RNA polymerase holoenzymes containing other sigma factors recognize different core promoter sequences.
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| 2. | One exception to this organization is in ? 54-type sigma factors.
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| 3. | In bacteria, the sigma factor recognizes and binds to the promoter sequence.
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| 4. | Sigma factors are specialized bacterial proteins that bind to RNA polymerases and orchestrate transcription initiation.
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| 5. | Once initiation of RNA transcription is complete, the sigma factor can leave the complex.
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| 6. | Notes : Promoter sequences are specific to the different sigma factors associated to the RNA polymerase core.
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| 7. | An example of a core enzyme is a RNA polymerase enzyme without the sigma factor ( ? ).
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| 8. | This protein is an anti-sigma factor which has been named " Audrey Stevens'Inhibitor ".
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| 9. | RNA polymerase holoenzyme complex consisting of core RNA polymerase and a sigma factor executes transcription of a DNA template strand.
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| 10. | This thermosensor upregulates heat shock proteins under high temperatures through ? 32, a specialised heat-shock sigma factor.
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