Protein
RNA polymerase principal sigma factor HrdB
Organism
Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is the primary sigma factor during exponential growth. Its activity is stimulated by RbpA.
Similarity
Belongs to the sigma-70 factor family.
Sequence
MSASTSRTLPPEIAESVSVMALIERGKAEGQIAGDDVRRAFEADQIPATQWKNVLRSLNQILEEEGVTLMVSAAEPKRTRKSVAAKSPAKRTATKAVAAKPVTSRKATAPAAPAAPATEPAAVEEEAPAKKAAAKKTTAKKATAKKTTAKKAAAKKTTAKKEDGELLEDEATEEPKAATEEPEGTENAGFVLSDEDEDDAPAQQVAAAGATADPVKDYLKQIGKVPLLNAEQEVELAKRIEAGLFAEDKLANSDKLAPKLKRELEIIAEDGRRAKNHLLEANLRLVVSLAKRYTGRGMLFLDLIQEGNLGLIRAVEKFDYTKGYKFSTYATWWIRQAITRAMADQARTIRIPVHMVEVINKLARVQRQMLQDLGREPTPEELAKELDMTPEKVIEVQKYGREPISLHTPLGEDGDSEFGDLIEDSEAVVPADAVSFTLLQEQLHSVLDTLSEREAGVVSMRFGLTDGQPKTLDEIGKVYGVTRERIRQIESKTMSKLRHPSRSQVLRDYLD