Canadian Medical Guide > Chemicals and Drugs > Amino Acids, Peptides, and Proteins > Proteins > Transcription Factors > Sigma Factor Terms and Definitions
Sigma Factor
Medical Definition: | A protein which is a subunit of RNA polymerase. It effects initiation of specific RNA chains from DNA. |
Guide Notes: | a transcription factor; /biosyn /physiol permitted |
Also Called: | Minor Sigma Factor,RNA Polymerase Sigma Factor H |
Previously Indexed: | Bacterial Proteins (1973-1976),Proteins (1966-1976),Transcription, Genetic (1973-1976) |
Sigma Factor Medical Definitions and Terms
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