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Keyword Sigma factor

UniProtKB (8,966) rdf/xml obo
DefinitionInitiation factors that bind to bacterial DNA-dependent RNA polymerases and promote attachment to specific initiation sites on DNA. Following attachment, the sigma factor is released.
Category › Molecular function
Gene Ontology › sigma factor activity [ GO:0016987 ]
› regulation of transcription, DNA-dependent [ GO:0006355 ]
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Broader › Transcription regulation