Protein
DNA-directed RNA polymerase YonO
Organism
Bacillus subtilis (strain 168)
Function
A single subunit DNA-dependent RNA polymerase (RNAP) that catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates (rNTPs) as substrates. The enzyme is more highly processive than the multisubunit RNAP from E.coli but is considerably more error-prone. It has no detectable proof-reading function but can perform pyrophosphorolysis. Transcribes the late genes of the SPbeta prophage starting from yonK (approximately 35 genes are encoded in the prophage downstream from yonK).
Similarity
Belongs to the YRH RNA polymerase family.
Sequence
MKGKKDGLNKQVHIYSIDTSAFYNDQENKLHNKILKSYRYRDHLRKLEHVDKKHKKYITQRIISLKEKLYNAFNDHNQIRTLRTDSLKDNNVISLFDSVLTRTLGIKENSLSEEIMVVQTYHFQILRDIIDKGFIHNNEKYVYFTSSAGQIRTKKSCFIKQSTLDKYQNALTCGLSVEHINAQGGSSINKWNSYMALSNSASSSWEIDIDKAIVVNDLETNVSSLVDYIDRDTYEITRKIMDIPIEHTDGCGMMLPSLSQKSFMVRLPWVKGLLVPFDFRKFAEKHSSFIVKDVYGKEWDIIKDDIQIIFTKSQFKMWKYYDSWDDYRYKFKKYGCLGAKLNEEDPSVEGKLTYQMLQTLTDITDEELKQISSKTVSEITQLGTDKETMMKVLGATEKNKHKTSLQEALLIYPELLNDDHTKEIIKNKKKSMIKDAKSGKLLVSDARYTYLCPDLYAFCERLFLGIESPKGLLSGSDVHCSLYDEGYIDILRSPHLFREHGVRWNKKNEEYEKWFITPGVYTSIHDPISKLLQFDNDGDKALIISDELIVNIAKRNMADIVPLYYEMSVAQKQEINSRNIYEALTLAYGINIGEYSNNITKIWNSDNINLDVIKWLCMENNFTIDFAKTLFMPTRPDHVDEKIKDYIKNKVPHFFINAKDKEEHSVESINESTVNKLDSIIPSDRINFAAVAGKFDYRFLLKNKEIKLNEAVINEYKRLDRNKKWLMNDEEAKPGQKLYVYKIIKQKLLEIHNDDGFITDVLVKHLYKKKSKYKSTLWECFGDIVLENIKHNLKTFKGCCICGKAFKPTSNKAKYCQSCGKKKERDKYKKYNKKRINHR