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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