ID   A2BK13_HYPBU            Unreviewed;       297 AA.
AC   A2BK13;
DT   20-FEB-2007, integrated into UniProtKB/TrEMBL.
DT   20-FEB-2007, sequence version 1.
DT   27-MAR-2024, entry version 83.
DE   RecName: Full=Transcription initiation factor IIB {ECO:0000256|ARBA:ARBA00013932};
GN   OrderedLocusNames=Hbut_0458 {ECO:0000313|EMBL:ABM80324.1};
OS   Hyperthermus butylicus (strain DSM 5456 / JCM 9403 / PLM1-5).
OC   Archaea; Thermoproteota; Thermoprotei; Desulfurococcales; Pyrodictiaceae;
OC   Hyperthermus.
OX   NCBI_TaxID=415426 {ECO:0000313|EMBL:ABM80324.1, ECO:0000313|Proteomes:UP000002593};
RN   [1] {ECO:0000313|EMBL:ABM80324.1, ECO:0000313|Proteomes:UP000002593}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 5456 / JCM 9403 / PLM1-5
RC   {ECO:0000313|Proteomes:UP000002593};
RX   PubMed=17350933;
RA   Brugger K., Chen L., Stark M., Zibat A., Redder P., Ruepp A., Awayez M.,
RA   She Q., Garrett R.A., Klenk H.P.;
RT   "The genome of Hyperthermus butylicus: a sulfur-reducing, peptide
RT   fermenting, neutrophilic Crenarchaeote growing up to 108 degrees C.";
RL   Archaea 2:127-135(2007).
CC   -!- SIMILARITY: Belongs to the TFIIB family.
CC       {ECO:0000256|ARBA:ARBA00010857}.
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DR   EMBL; CP000493; ABM80324.1; -; Genomic_DNA.
DR   AlphaFoldDB; A2BK13; -.
DR   STRING; 415426.Hbut_0458; -.
DR   EnsemblBacteria; ABM80324; ABM80324; Hbut_0458.
DR   KEGG; hbu:Hbut_0458; -.
DR   eggNOG; arCOG01981; Archaea.
DR   HOGENOM; CLU_043736_0_1_2; -.
DR   Proteomes; UP000002593; Chromosome.
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_SF; 1.
DR   Gene3D; 1.10.472.170; -; 1.
DR   Gene3D; 1.10.472.10; Cyclin-like; 1.
DR   InterPro; IPR013763; Cyclin-like_dom.
DR   InterPro; IPR036915; Cyclin-like_sf.
DR   InterPro; IPR000812; TFIIB.
DR   InterPro; IPR023486; TFIIB_CS.
DR   InterPro; IPR013150; TFIIB_cyclin.
DR   InterPro; IPR013137; Znf_TFIIB.
DR   PANTHER; PTHR11618:SF13; TRANSCRIPTION INITIATION FACTOR IIB; 1.
DR   PANTHER; PTHR11618; TRANSCRIPTION INITIATION FACTOR IIB-RELATED; 1.
DR   Pfam; PF08271; TF_Zn_Ribbon; 1.
DR   Pfam; PF00382; TFIIB; 2.
DR   PRINTS; PR00685; TIFACTORIIB.
DR   SMART; SM00385; CYCLIN; 2.
DR   SUPFAM; SSF47954; Cyclin-like; 2.
DR   SUPFAM; SSF57783; Zinc beta-ribbon; 1.
DR   PROSITE; PS00782; TFIIB; 1.
PE   3: Inferred from homology;
KW   Reference proteome {ECO:0000313|Proteomes:UP000002593};
KW   Repeat {ECO:0000256|ARBA:ARBA00022737};
KW   Transcription {ECO:0000256|ARBA:ARBA00023163};
KW   Transcription regulation {ECO:0000256|ARBA:ARBA00023015}.
FT   DOMAIN          113..194
FT                   /note="Cyclin-like"
FT                   /evidence="ECO:0000259|SMART:SM00385"
FT   DOMAIN          208..289
FT                   /note="Cyclin-like"
FT                   /evidence="ECO:0000259|SMART:SM00385"
SQ   SEQUENCE   297 AA;  33504 MW;  9DF01ACDACD13CDF CRC64;
     MSIPLPKGLE YCPVCKAPLK LYAKRDGSKL VCTNCGYVID DAPLDTGPEW RSYTEEDRLL
     RSRVGAPLTE RVHDKGLTTY VQRNRRDPRA MKIVQLQTQL RTHGQKKMIK LLQDLNHFVA
     KLNLPPRVAE TMAKLVKKLY LMGVIKKNNE HVYLAAAAVI ASRIEGHSLT MRDVAETLGL
     SRQEIWKAYR KIVTKLKVRV ATPPRPQMYV SKIASKLKLS GEVEALATRF TIMLTKTGIA
     QGKPPEALAA AAVYVASILL DEKRNQQRVA QAIGVTDATI RNRYRDIVDN FYIEVRL
//