IBH1_ORYSJ
ID IBH1_ORYSJ Reviewed; 202 AA.
AC Q7XR02; A0A0P0WFY9;
DT 14-MAY-2014, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2004, sequence version 2.
DT 03-AUG-2022, entry version 108.
DE RecName: Full=Transcription factor IBH1;
DE Short=OsIBH1;
DE AltName: Full=Basic helix-loop-helix protein 175;
DE Short=OsbHLH175;
DE AltName: Full=Protein ILI1-BINDING BHLH 1;
DE AltName: Full=bHLH transcription factor bHLH175;
GN Name=IBH1; Synonyms=BHLH175;
GN OrderedLocusNames=Os04g0660100, LOC_Os04g56500; ORFNames=OSJNBa0015K02.11;
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=12447439; DOI=10.1038/nature01183;
RA Feng Q., Zhang Y., Hao P., Wang S., Fu G., Huang Y., Li Y., Zhu J., Liu Y.,
RA Hu X., Jia P., Zhang Y., Zhao Q., Ying K., Yu S., Tang Y., Weng Q.,
RA Zhang L., Lu Y., Mu J., Lu Y., Zhang L.S., Yu Z., Fan D., Liu X., Lu T.,
RA Li C., Wu Y., Sun T., Lei H., Li T., Hu H., Guan J., Wu M., Zhang R.,
RA Zhou B., Chen Z., Chen L., Jin Z., Wang R., Yin H., Cai Z., Ren S., Lv G.,
RA Gu W., Zhu G., Tu Y., Jia J., Zhang Y., Chen J., Kang H., Chen X., Shao C.,
RA Sun Y., Hu Q., Zhang X., Zhang W., Wang L., Ding C., Sheng H., Gu J.,
RA Chen S., Ni L., Zhu F., Chen W., Lan L., Lai Y., Cheng Z., Gu M., Jiang J.,
RA Li J., Hong G., Xue Y., Han B.;
RT "Sequence and analysis of rice chromosome 4.";
RL Nature 420:316-320(2002).
RN [2]
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 [3]
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 [4]
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 [5]
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 [6]
RP FUNCTION, INTERACTION WITH ILI1, AND TISSUE SPECIFICITY.
RX PubMed=20009022; DOI=10.1105/tpc.109.070441;
RA Zhang L.Y., Bai M.Y., Wu J., Zhu J.Y., Wang H., Zhang Z., Wang W., Sun Y.,
RA Zhao J., Sun X., Yang H., Xu Y., Kim S.H., Fujioka S., Lin W.H., Chong K.,
RA Lu T., Wang Z.Y.;
RT "Antagonistic HLH/bHLH transcription factors mediate brassinosteroid
RT regulation of cell elongation and plant development in rice and
RT Arabidopsis.";
RL Plant Cell 21:3767-3780(2009).
CC -!- FUNCTION: Atypical and probable non DNA-binding bHLH transcription
CC factor that acts as negative regulator of cell elongation and plant
CC development. Binds the transcription factor ILI1 and forms a
CC heterodimer of antagonistic bHLH transcription factors that function
CC downstream of BZR1 to mediate brassinosteroid regulation of cell
CC elongation and lamina inclination. {ECO:0000269|PubMed:20009022}.
CC -!- SUBUNIT: Interacts with ILI1. {ECO:0000269|PubMed:20009022}.
CC -!- TISSUE SPECIFICITY: Highly expressed in roots and at lower levels in
CC leaf blades, leaf sheaths, lamina joint, stems and panicles.
CC {ECO:0000269|PubMed:20009022}.
CC -!- INDUCTION: Repressed by epibrassinolide.
CC -!- MISCELLANEOUS: Plants over-expressing IBH1 show erect leaves with
CC reduced angles of inclination. {ECO:0000305|PubMed:20009022}.
CC -!- SIMILARITY: Belongs to the bHLH protein family.
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DR EMBL; AL606608; CAE02894.2; -; Genomic_DNA.
DR EMBL; AP008210; BAF16055.1; -; Genomic_DNA.
DR EMBL; AP014960; BAS91444.1; -; Genomic_DNA.
DR EMBL; AK109923; BAG98961.1; -; mRNA.
DR RefSeq; XP_015633566.1; XM_015778080.1.
DR AlphaFoldDB; Q7XR02; -.
DR SMR; Q7XR02; -.
DR STRING; 4530.OS04T0660100-01; -.
DR PaxDb; Q7XR02; -.
DR PRIDE; Q7XR02; -.
DR EnsemblPlants; Os04t0660100-01; Os04t0660100-01; Os04g0660100.
DR GeneID; 4337280; -.
DR Gramene; Os04t0660100-01; Os04t0660100-01; Os04g0660100.
DR KEGG; osa:4337280; -.
DR eggNOG; ENOG502S9NU; Eukaryota.
DR InParanoid; Q7XR02; -.
DR OMA; SRIHRAT; -.
DR OrthoDB; 1453189at2759; -.
DR PlantReactome; R-OSA-5632095; Brassinosteroid signaling.
DR Proteomes; UP000000763; Chromosome 4.
DR Proteomes; UP000059680; Chromosome 4.
DR ExpressionAtlas; Q7XR02; baseline and differential.
DR Genevisible; Q7XR02; OS.
DR GO; GO:0009742; P:brassinosteroid mediated signaling pathway; IEA:UniProtKB-KW.
DR GO; GO:0040008; P:regulation of growth; IEA:UniProtKB-KW.
DR GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:InterPro.
DR GO; GO:0009741; P:response to brassinosteroid; IEP:UniProtKB.
DR GO; GO:0009826; P:unidimensional cell growth; IMP:UniProtKB.
DR InterPro; IPR044660; IBH1-like.
DR PANTHER; PTHR33124; PTHR33124; 1.
PE 1: Evidence at protein level;
KW Brassinosteroid signaling pathway; Growth regulation; Reference proteome;
KW Transcription; Transcription regulation.
FT CHAIN 1..202
FT /note="Transcription factor IBH1"
FT /id="PRO_0000429102"
FT DOMAIN 136..185
FT /note="bHLH"
FT REGION 1..33
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..17
FT /note="Pro residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 202 AA; 21699 MW; A3D0FE33414A4C16 CRC64;
MDAKRTPPPP TPPNPNPSVI GSGAAADGGG FGRGEAAAAT KHMLAFHFLR ALSRIHRATP
VTRRTRTIRR AAYSSMARAA SPRRAWSRAL LGQVRARRSR TLMRRAAVLV RRRVVAAPAP
SPASARGVRI IAAGETSAAA RAVPPPPRQQ GEPPRAEALR RLVPGGAGME YSSLLEETAD
YLRSLRAQVQ LMQGLVDLFS YQ
