ID G0LGD6_HALWC Unreviewed; 366 AA.
AC G0LGD6;
DT 19-OCT-2011, integrated into UniProtKB/TrEMBL.
DT 19-OCT-2011, sequence version 1.
DT 24-JAN-2024, entry version 75.
DE RecName: Full=Transcription initiation factor IIB {ECO:0000256|ARBA:ARBA00013932, ECO:0000256|HAMAP-Rule:MF_00383};
DE Short=TFIIB {ECO:0000256|HAMAP-Rule:MF_00383};
GN Name=tfbA1 {ECO:0000313|EMBL:CCC39156.1};
GN Synonyms=tfb {ECO:0000256|HAMAP-Rule:MF_00383};
GN OrderedLocusNames=Hqrw_1188 {ECO:0000313|EMBL:CCC39156.1};
OS Haloquadratum walsbyi (strain DSM 16854 / JCM 12705 / C23).
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC Haloferacaceae; Haloquadratum.
OX NCBI_TaxID=768065 {ECO:0000313|EMBL:CCC39156.1, ECO:0000313|Proteomes:UP000007954};
RN [1] {ECO:0000313|EMBL:CCC39156.1, ECO:0000313|Proteomes:UP000007954}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 16854 / JCM 12705 / C23
RC {ECO:0000313|Proteomes:UP000007954};
RX PubMed=21701686; DOI=10.1371/journal.pone.0020968;
RA Dyall-Smith M., Pfeiffer F., Klee K., Palm P., Gross K., Schuster S.C.,
RA Rampp M., Oesterhelt D.;
RT "Haloquadratum walsbyi: limited diversity in a global pond.";
RL PLoS ONE 6:E20968-E20968(2011).
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). {ECO:0000256|HAMAP-Rule:MF_00383}.
CC -!- SIMILARITY: Belongs to the TFIIB family.
CC {ECO:0000256|ARBA:ARBA00010857, ECO:0000256|HAMAP-Rule:MF_00383}.
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DR EMBL; FR746099; CCC39156.1; -; Genomic_DNA.
DR AlphaFoldDB; G0LGD6; -.
DR KEGG; hwc:Hqrw_1188; -.
DR HOGENOM; CLU_043736_0_0_2; -.
DR OMA; RMWQRRM; -.
DR Proteomes; UP000007954; Chromosome.
DR GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:UniProtKB-UniRule.
DR GO; GO:0017025; F:TBP-class protein binding; IEA:InterPro.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0070897; P:transcription preinitiation complex assembly; IEA:InterPro.
DR CDD; cd20549; CYCLIN_TFIIB_archaea_like_rpt1; 1.
DR Gene3D; 1.10.472.170; -; 1.
DR Gene3D; 1.10.472.10; Cyclin-like; 1.
DR HAMAP; MF_00383; TF2B_arch; 1.
DR InterPro; IPR013763; Cyclin-like_dom.
DR InterPro; IPR036915; Cyclin-like_sf.
DR InterPro; IPR000812; TFIIB.
DR InterPro; IPR023484; TFIIB_arc.
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.
DR PROSITE; PS51134; ZF_TFIIB; 1.
PE 3: Inferred from homology;
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00383};
KW Repeat {ECO:0000256|ARBA:ARBA00022737, ECO:0000256|HAMAP-Rule:MF_00383};
KW Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW Rule:MF_00383};
KW Transcription regulation {ECO:0000256|ARBA:ARBA00023015, ECO:0000256|HAMAP-
KW Rule:MF_00383}; Zinc {ECO:0000256|HAMAP-Rule:MF_00383};
KW Zinc-finger {ECO:0000256|ARBA:ARBA00022771, ECO:0000256|PROSITE-
KW ProRule:PRU00469}.
FT DOMAIN 67..97
FT /note="TFIIB-type"
FT /evidence="ECO:0000259|PROSITE:PS51134"
FT REPEAT 183..266
FT /note="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT REPEAT 277..358
FT /note="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT REGION 1..69
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 112..135
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..17
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 71
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT BINDING 74
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT BINDING 89
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT BINDING 92
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
SQ SEQUENCE 366 AA; 40507 MW; 7F9206018DAB267B CRC64;
MSEKTTHTCE NARTRVESNN ESEVTTNSAH DRIRTDGGTV GQRWVRPGEK ESEEESVSES
EEETTSESLV CPECSGNVVA DDEHGETICD DCGLVITEDS VDRGPEWRAF DAKEKDQKSR
VGAPTTNTMH DKGLSTNIDW RDRDAYGNSL SSNQRQKMQR LRKWNERFRT RDSKERNLKQ
ALGEVDRMAS ALGLPENVRE TASVIYRRAL DEDLLPGRSI EGVSTSCVYA AARMAGVPRS
LDEIAEVSRV PKSEVARTYR YIARELSLEV KPADPEQYVP RFASELGLSD ESTLRARQLL
QNAKEKGVHS GKSPVGLAAA AVYAAALLTN EKTTQAAVSE VADISEVTIR NRYHELLEAK
DAVGAT
//