ID   RP54_VIBAN              Reviewed;         486 AA.
AC   O08429;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1997, sequence version 1.
DT   03-AUG-2022, entry version 89.
DE   RecName: Full=RNA polymerase sigma-54 factor;
GN   Name=rpoN;
OS   Vibrio anguillarum (Listonella anguillarum).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=55601;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=NB10 / Serotype O1;
RX   PubMed=9421909; DOI=10.1099/00221287-143-12-3849;
RA   O'Toole R., Milton D.L., Horstedt P., Wolf-Watz H.;
RT   "RpoN of the fish pathogen Vibrio (Listonella) anguillarum is essential for
RT   flagellum production and virulence by the water-borne but not
RT   intraperitoneal route of inoculation.";
RL   Microbiology 143:3849-3859(1997).
CC   -!- FUNCTION: Sigma factors are initiation factors that promote the
CC       attachment of RNA polymerase to specific initiation sites and are then
CC       released.
CC   -!- SIMILARITY: Belongs to the sigma-54 factor family. {ECO:0000305}.
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DR   EMBL; U86585; AAB95223.1; -; Genomic_DNA.
DR   RefSeq; WP_013855970.1; NZ_VSLF01000001.1.
DR   AlphaFoldDB; O08429; -.
DR   SMR; O08429; -.
DR   STRING; 55601.VANGNB10_cI2284; -.
DR   PRIDE; O08429; -.
DR   OMA; VTTQKFM; -.
DR   OrthoDB; 1906842at2; -.
DR   GO; GO:0000428; C:DNA-directed RNA polymerase complex; IEA:UniProtKB-KW.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0001216; F:DNA-binding transcription activator activity; IEA:InterPro.
DR   GO; GO:0016779; F:nucleotidyltransferase activity; IEA:UniProtKB-KW.
DR   GO; GO:0016987; F:sigma factor activity; IEA:UniProtKB-KW.
DR   GO; GO:0006352; P:DNA-templated transcription, initiation; IEA:InterPro.
DR   Gene3D; 1.10.10.1330; -; 1.
DR   InterPro; IPR000394; RNA_pol_sigma_54.
DR   InterPro; IPR007046; RNA_pol_sigma_54_core-bd.
DR   InterPro; IPR007634; RNA_pol_sigma_54_DNA-bd.
DR   InterPro; IPR038709; RpoN_core-bd_sf.
DR   PANTHER; PTHR32248; PTHR32248; 1.
DR   Pfam; PF00309; Sigma54_AID; 1.
DR   Pfam; PF04963; Sigma54_CBD; 1.
DR   Pfam; PF04552; Sigma54_DBD; 1.
DR   PIRSF; PIRSF000774; RpoN; 1.
DR   PRINTS; PR00045; SIGMA54FCT.
DR   TIGRFAMs; TIGR02395; rpoN_sigma; 1.
DR   PROSITE; PS00717; SIGMA54_1; 1.
DR   PROSITE; PS00718; SIGMA54_2; 1.
DR   PROSITE; PS50044; SIGMA54_3; 1.
PE   3: Inferred from homology;
KW   DNA-binding; DNA-directed RNA polymerase; Nucleotidyltransferase;
KW   Sigma factor; Transcription; Transcription regulation; Transferase.
FT   CHAIN           1..486
FT                   /note="RNA polymerase sigma-54 factor"
FT                   /id="PRO_0000205546"
FT   DNA_BIND        375..394
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255"
FT   MOTIF           463..471
FT                   /note="RPON box"
SQ   SEQUENCE   486 AA;  54642 MW;  966E6E5EBDC4D657 CRC64;
     MKPSLQLKLG QQLAMTPQLQ QAIRLLQLST LELQQEIQEA LESNPLLDVE EAYEENATAD
     VHSINEEKEA SAEVLDIEPQ DSSDLIEKSE ISSELEIDTT WDDVYSANTG STGIALDDDM
     PVYQGETTQT LQDYLLWQLD LTPFSDTDRS IALALIDAID DYGYLTVSLD DILESFADEN
     IELDEIEAVR KRVQQFDPLG VASVNLQDCL LLQLATYPAS TPWLEEAKQL LIQHIDLLGN
     RDYKLIIKET KLKEEDLREV LQLIQQLDPR PGNNISTEHA EYVVPDVSVY KDHGKWVVTI
     NPDSVPKLKI NQQYAALGKG NSADSNYIRS NLQEAKWLIK SLESRNETLL KVAKCIVEHQ
     RDFFEYGEEA MKPMVLNDVA LAVEMHESTI SRVTTQKYMH TPRGIFELKY FFSSHVSTDS
     GGECSSTAIR ALIKKLVAAE NTAKPLSDSK IADLLADQGI QVARRTIAKY RESLGIAPSS
     QRKRLL