ID   RP28_BPSP1              Reviewed;         220 AA.
AC   P03048;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   23-FEB-2022, entry version 63.
DE   RecName: Full=RNA polymerase sigma GP28 factor;
GN   Name=28;
OS   Bacillus phage SP01 (Bacteriophage SP01).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Herelleviridae; Spounavirinae; Okubovirus.
OX   NCBI_TaxID=10685;
OH   NCBI_TaxID=1423; Bacillus subtilis.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=6402778; DOI=10.1073/pnas.80.5.1236;
RA   Costanzo M., Pero J.;
RT   "Structure of a Bacillus subtilis bacteriophage SPO1 gene encoding RNA
RT   polymerase sigma factor.";
RL   Proc. Natl. Acad. Sci. U.S.A. 80:1236-1240(1983).
CC   -!- FUNCTION: Sigma factors are initiation factors that promote the
CC       attachment of RNA polymerase to specific initiation sites and are then
CC       released. This sigma factor is responsible for the expression of the
CC       phage middle genes.
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DR   EMBL; V01375; CAA24664.1; -; Genomic_DNA.
DR   PIR; A03584; RGBPS1.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0016987; F:sigma factor activity; IEA:UniProtKB-KW.
PE   4: Predicted;
KW   DNA-binding; Sigma factor; Transcription; Transcription regulation.
FT   CHAIN           1..220
FT                   /note="RNA polymerase sigma GP28 factor"
FT                   /id="PRO_0000094025"
SQ   SEQUENCE   220 AA;  25709 MW;  A63634315D9811A5 CRC64;
     MVENVTYSED GQLLKLKWED VYEQFKNLIT FAARQQMENN GADTMMSRQD LEQEGLLKLY
     DCWEKWCFKE NKQMDEFGPI FRKSLFRKVK QSGGTGRALG FVAIDDEDNP LENMLKDENT
     VDVVEKIHFS EGLEKLKETL ESDIAKSLLE ELINPSDQTI YNVLIDIERK KMLKSQGHRV
     NVPKDTTVRM KHIDQTLGIS NKQYDSELKK FVKRLTIYTI