ID M0NP03_9EURY Unreviewed; 317 AA.
AC M0NP03;
DT 03-APR-2013, integrated into UniProtKB/TrEMBL.
DT 03-APR-2013, sequence version 1.
DT 24-JAN-2024, entry version 48.
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=tfb {ECO:0000256|HAMAP-Rule:MF_00383};
GN ORFNames=C468_15864 {ECO:0000313|EMBL:EMA58375.1};
OS Halorubrum kocurii JCM 14978.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC Haloferacaceae; Halorubrum.
OX NCBI_TaxID=1230456 {ECO:0000313|EMBL:EMA58375.1, ECO:0000313|Proteomes:UP000011546};
RN [1] {ECO:0000313|EMBL:EMA58375.1, ECO:0000313|Proteomes:UP000011546}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 14978 {ECO:0000313|EMBL:EMA58375.1,
RC ECO:0000313|Proteomes:UP000011546};
RX PubMed=25393412; DOI=10.1371/journal.pgen.1004784;
RA Becker E.A., Seitzer P.M., Tritt A., Larsen D., Krusor M., Yao A.I., Wu D.,
RA Madern D., Eisen J.A., Darling A.E., Facciotti M.T.;
RT "Phylogenetically driven sequencing of extremely halophilic archaea reveals
RT strategies for static and dynamic osmo-response.";
RL PLoS Genet. 10:E1004784-E1004784(2014).
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EMA58375.1}.
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DR EMBL; AOJH01000096; EMA58375.1; -; Genomic_DNA.
DR RefSeq; WP_008849828.1; NZ_AOJH01000096.1.
DR AlphaFoldDB; M0NP03; -.
DR STRING; 1230456.C468_15864; -.
DR PATRIC; fig|1230456.3.peg.3162; -.
DR OrthoDB; 7429at2157; -.
DR Proteomes; UP000011546; Unassembled WGS sequence.
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 CDD; cd20550; CYCLIN_TFIIB_archaea_like_rpt2; 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 21..51
FT /note="TFIIB-type"
FT /evidence="ECO:0000259|PROSITE:PS51134"
FT REPEAT 137..220
FT /note="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT REPEAT 231..312
FT /note="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT REGION 1..27
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..23
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 25
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT BINDING 28
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT BINDING 43
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
FT BINDING 46
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00383"
SQ SEQUENCE 317 AA; 35883 MW; 76A7602E977AFCD6 CRC64;
MERPSRQRQQ ERETERESDE ETVSCPECDS TEIVTDADQE LVCEDCGLVL DERNIDRGPE
WRAFNHSERQ SKSRVGAPIT ETMHDKGLTT TIDWKDKDAY GRSLSSEKRS QMHRLRKWQE
RIRTKDAGER NLQFALSEID RMASALGVPR SVREVASVIY RRALNEDLIR GRSIEGVSTA
ALYAACRQEG IPRSLDEVAD VSRVPQKEIG RTYRYISQEL GLELKPVDPK QFVPRFASAL
QLSEEVQSKA TEIIDVSAEQ GLLSGKSPTG FAAAAIYAAS LLCNEKKTQR EVADVAQVTE
VTIRNRYQEQ IEAMGFR
//