ID   HSFB1_ORYSJ             Reviewed;         302 AA.
AC   Q67TP9; B7E6C6;
DT   23-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2004, sequence version 1.
DT   03-AUG-2022, entry version 125.
DE   RecName: Full=Heat stress transcription factor B-1;
DE   AltName: Full=Heat stress transcription factor 23;
DE            Short=OsHsf-23;
GN   Name=HSFB1; Synonyms=HSF23;
GN   OrderedLocusNames=Os09g0456800, LOC_Os09g28354, LOC_Os09g28360;
GN   ORFNames=B1342C04.35;
OS   Oryza sativa subsp. japonica (Rice).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Oryzoideae; Oryzeae; Oryzinae; Oryza; Oryza sativa.
OX   NCBI_TaxID=39947;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Nipponbare;
RX   PubMed=16100779; DOI=10.1038/nature03895;
RG   International rice genome sequencing project (IRGSP);
RT   "The map-based sequence of the rice genome.";
RL   Nature 436:793-800(2005).
RN   [2]
RP   GENOME REANNOTATION.
RC   STRAIN=cv. Nipponbare;
RX   PubMed=18089549; DOI=10.1093/nar/gkm978;
RG   The rice annotation project (RAP);
RT   "The rice annotation project database (RAP-DB): 2008 update.";
RL   Nucleic Acids Res. 36:D1028-D1033(2008).
RN   [3]
RP   GENOME REANNOTATION.
RC   STRAIN=cv. Nipponbare;
RX   PubMed=24280374; DOI=10.1186/1939-8433-6-4;
RA   Kawahara Y., de la Bastide M., Hamilton J.P., Kanamori H., McCombie W.R.,
RA   Ouyang S., Schwartz D.C., Tanaka T., Wu J., Zhou S., Childs K.L.,
RA   Davidson R.M., Lin H., Quesada-Ocampo L., Vaillancourt B., Sakai H.,
RA   Lee S.S., Kim J., Numa H., Itoh T., Buell C.R., Matsumoto T.;
RT   "Improvement of the Oryza sativa Nipponbare reference genome using next
RT   generation sequence and optical map data.";
RL   Rice 6:4-4(2013).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=cv. Nipponbare;
RX   PubMed=12869764; DOI=10.1126/science.1081288;
RG   The rice full-length cDNA consortium;
RT   "Collection, mapping, and annotation of over 28,000 cDNA clones from
RT   japonica rice.";
RL   Science 301:376-379(2003).
RN   [5]
RP   GENE FAMILY, AND NOMENCLATURE.
RX   PubMed=15625403; DOI=10.1007/bf02712120;
RA   Baniwal S.K., Bharti K., Chan K.Y., Fauth M., Ganguli A., Kotak S.,
RA   Mishra S.K., Nover L., Port M., Scharf K.-D., Tripp J., Weber C.,
RA   Zielinski D., von Koskull-Doering P.;
RT   "Heat stress response in plants: a complex game with chaperones and more
RT   than twenty heat stress transcription factors.";
RL   J. Biosci. 29:471-487(2004).
RN   [6]
RP   GENE FAMILY, AND NOMENCLATURE.
RX   PubMed=18407058; DOI=10.1016/s1673-8527(08)60016-8;
RA   Guo J., Wu J., Ji Q., Wang C., Luo L., Yuan Y., Wang Y., Wang J.;
RT   "Genome-wide analysis of heat shock transcription factor families in rice
RT   and Arabidopsis.";
RL   J. Genet. Genomics 35:105-118(2008).
CC   -!- FUNCTION: Transcriptional regulator that specifically binds DNA of heat
CC       shock promoter elements (HSE). {ECO:0000250}.
CC   -!- SUBUNIT: Homotrimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}. Nucleus {ECO:0000305}.
CC   -!- DOMAIN: The hydrophobic-rich region (HR-A/B) corresponds to the
CC       oligomerization domain.
CC   -!- PTM: Exhibits temperature-dependent phosphorylation. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the HSF family. Class B subfamily.
CC       {ECO:0000305}.
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DR   EMBL; AP006057; BAD38472.1; -; Genomic_DNA.
DR   EMBL; AP008215; BAF25278.1; -; Genomic_DNA.
DR   EMBL; AP014965; BAT08436.1; -; Genomic_DNA.
DR   EMBL; AK061433; BAG87923.1; -; mRNA.
DR   RefSeq; XP_015611859.1; XM_015756373.1.
DR   AlphaFoldDB; Q67TP9; -.
DR   SMR; Q67TP9; -.
DR   STRING; 4530.OS09T0456800-01; -.
DR   PaxDb; Q67TP9; -.
DR   PRIDE; Q67TP9; -.
DR   EnsemblPlants; Os09t0456800-01; Os09t0456800-01; Os09g0456800.
DR   GeneID; 4347259; -.
DR   Gramene; Os09t0456800-01; Os09t0456800-01; Os09g0456800.
DR   KEGG; osa:4347259; -.
DR   eggNOG; KOG0627; Eukaryota.
DR   HOGENOM; CLU_030308_3_1_1; -.
DR   InParanoid; Q67TP9; -.
DR   OMA; IGEPWVS; -.
DR   OrthoDB; 1154048at2759; -.
DR   Proteomes; UP000000763; Chromosome 9.
DR   Proteomes; UP000059680; Chromosome 9.
DR   ExpressionAtlas; Q67TP9; baseline and differential.
DR   Genevisible; Q67TP9; OS.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005634; C:nucleus; IBA:GO_Central.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IBA:GO_Central.
DR   GO; GO:0000978; F:RNA polymerase II cis-regulatory region sequence-specific DNA binding; IBA:GO_Central.
DR   GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEA:EnsemblPlants.
DR   GO; GO:0006357; P:regulation of transcription by RNA polymerase II; IBA:GO_Central.
DR   GO; GO:0009408; P:response to heat; IEA:EnsemblPlants.
DR   Gene3D; 1.10.10.10; -; 1.
DR   InterPro; IPR000232; HSF_DNA-bd.
DR   InterPro; IPR027725; HSF_fam.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   PANTHER; PTHR10015; PTHR10015; 1.
DR   Pfam; PF00447; HSF_DNA-bind; 1.
DR   PRINTS; PR00056; HSFDOMAIN.
DR   SMART; SM00415; HSF; 1.
DR   SUPFAM; SSF46785; SSF46785; 1.
DR   PROSITE; PS00434; HSF_DOMAIN; 1.
PE   2: Evidence at transcript level;
KW   Coiled coil; Cytoplasm; DNA-binding; Nucleus; Phosphoprotein;
KW   Reference proteome; Stress response; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..302
FT                   /note="Heat stress transcription factor B-1"
FT                   /id="PRO_0000350833"
FT   REGION          1..33
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          116..184
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          180..209
FT                   /note="Hydrophobic repeat HR-A/B"
FT   COILED          170..202
FT                   /evidence="ECO:0000255"
FT   MOTIF           211..218
FT                   /note="Nuclear export signal"
FT                   /evidence="ECO:0000255"
FT   MOTIF           263..267
FT                   /note="Nuclear localization signal"
FT                   /evidence="ECO:0000255"
FT   COMPBIAS        120..134
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        152..184
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   302 AA;  32799 MW;  F078E20D61451EF0 CRC64;
     MAAAEAAAAV GKQQQKGGGG RGGGGGGPAP FLTKTNQMVE ESATDEVISW GKEGRSFVVW
     KPVEFARDLL PLHFKHCNFS SFVRQLNTYG FRKVVPDRWE FANGNFRRGE QGLLSGIRRR
     KATTPQSSKS CGSGVNVAFP PPLPPLPPEP SATTSSGNDR SSSSASSPPR ADITSENEQL
     RKDNQTLTME LARARRHCEE LLGFLSRFLD VRQLDLRLLM QEDMRAAAGG VGGEQRVQEH
     AREEKCVKLF GVLLDDTHGA ATRKRARCEE AAASERPIKM IRIGEPWVSV PSSGPARCGG
     DN