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TF2B_HALVA
ID   TF2B_HALVA              Reviewed;         114 AA.
AC   P42198;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   25-MAY-2022, entry version 81.
DE   RecName: Full=Transcription initiation factor IIB;
DE            Short=TFIIB;
DE   Flags: Fragment;
GN   Name=tfb;
OS   Haloarcula vallismortis (Halobacterium vallismortis).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Haloarculaceae; Haloarcula.
OX   NCBI_TaxID=28442;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 29715 / DSM 3756 / JCM 8877 / NBRC 14741 / NCIMB 2082;
RX   PubMed=7708770; DOI=10.1073/pnas.92.7.3036;
RA   Seidel R., Scharf B., Gautel M., Kleine K., Oesterhelt D., Engelhard M.;
RT   "The primary structure of sensory rhodopsin II: a member of an additional
RT   retinal protein subgroup is coexpressed with its transducer, the
RT   halobacterial transducer of rhodopsin II.";
RL   Proc. Natl. Acad. Sci. U.S.A. 92:3036-3040(1995).
CC   -!- FUNCTION: Stabilizes TBP binding to an archaeal box-A promoter. Also
CC       responsible for recruiting RNA polymerase II to the pre-initiation
CC       complex (DNA-TBP-TFIIB) (By similarity). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the TFIIB family. {ECO:0000305}.
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DR   EMBL; Z35308; CAA84551.1; -; Genomic_DNA.
DR   PIR; S55298; S55298.
DR   AlphaFoldDB; P42198; -.
DR   SMR; P42198; -.
DR   STRING; 28442.SAMN05443574_101540; -.
DR   GO; GO:0017025; F:TBP-class protein binding; IEA:InterPro.
DR   GO; GO:0070897; P:transcription preinitiation complex assembly; IEA:InterPro.
DR   CDD; cd00043; CYCLIN; 1.
DR   InterPro; IPR013763; Cyclin-like.
DR   InterPro; IPR036915; Cyclin-like_sf.
DR   InterPro; IPR000812; TFIIB.
DR   InterPro; IPR023486; TFIIB_CS.
DR   InterPro; IPR013150; TFIIB_cyclin.
DR   PANTHER; PTHR11618; PTHR11618; 1.
DR   Pfam; PF00382; TFIIB; 1.
DR   PRINTS; PR00685; TIFACTORIIB.
DR   SMART; SM00385; CYCLIN; 1.
DR   SUPFAM; SSF47954; SSF47954; 1.
DR   PROSITE; PS00782; TFIIB; 1.
PE   3: Inferred from homology;
KW   Repeat; Transcription; Transcription regulation.
FT   CHAIN           <1..114
FT                   /note="Transcription initiation factor IIB"
FT                   /id="PRO_0000119318"
FT   REPEAT          <1..17
FT                   /note="1"
FT   REPEAT          28..109
FT                   /note="2"
FT   NON_TER         1
SQ   SEQUENCE   114 AA;  12805 MW;  6494F63C4186BB69 CRC64;
     VEQKEIGRTY RYVAQELELK MEPVDPKQYV PRFASELELS EEVQSKANEI IDTTAEQGLL
     SGKSPTGYAA AAIYAASLLC NEKKTQREVA DVAQVTEVTI RNRYQEQIEA MGIH
 
 
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