http://togogenome.org/gene/308354:CKV88_RS02355                                                                                  ^@                                                                                  http://purl.uniprot.org/uniprot/A9YUV3                                                                                  ^@                                                                                  Function|||Similarity                                                                                  ^@                                                                                  Belongs to the sigma-70 factor family.|||Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. Sigma-S contributes to the protection against external stress, thus playing a role in cellular fitness and survival.