PlantTFDB
Plant Transcription Factor Database
v4.0
Previous version: v3.0
Transcription Factor Information
Basic Information | Signature Domain | Sequence | 
Basic Information? help Back to Top
TF ID AT4G21340.1
Common NameB70, BHLH103, EN62, T6K22.70
Organism
Taxonomic ID
Taxonomic Lineage
cellular organisms; Eukaryota; Viridiplantae; Streptophyta; Streptophytina; Embryophyta; Tracheophyta; Euphyllophyta; Spermatophyta; Magnoliophyta; Mesangiospermae; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
Family bHLH
Protein Properties Length: 301aa    MW: 34031.7 Da    PI: 4.7163
Description bHLH family protein
Gene Model
Gene Model ID Type Source Coding Sequence
AT4G21340.1genomeTAIRView CDS
Signature Domain? help Back to Top
Signature Domain
No. Domain Score E-value Start End HMM Start HMM End
1HLH18.14.9e-061922301255
                  HHHHHHHHHHHHHCTSCCC...TTS-STCHHHHHHHHHHHHHHH CS
          HLH  12 RRdriNsafeeLrellPkaskapskKlsKaeiLekAveYIksLq 55 
                  R +++ +++  L++l+ +      +K + a++L  A++YIk Lq
  AT4G21340.1 192 RKEKLGDRITALQQLVSPF-----GKTDTASVLHDAIDYIKFLQ 230
                  77788899********998.....8******************9 PP

Protein Features ? help Back to Top
3D Structure
Database Entry ID E-value Start End InterPro ID Description
PROSITE profilePS5088812.741180229IPR011598Myc-type, basic helix-loop-helix (bHLH) domain
SuperFamilySSF474593.27E-11190237IPR011598Myc-type, basic helix-loop-helix (bHLH) domain
CDDcd000839.75E-7190233No hitNo description
SMARTSM003530.001191235IPR011598Myc-type, basic helix-loop-helix (bHLH) domain
Gene3DG3DSA:4.10.280.102.3E-9194234IPR011598Myc-type, basic helix-loop-helix (bHLH) domain
Gene Ontology ? help Back to Top
GO Term GO Category GO Description
GO:0045944Biological Processpositive regulation of transcription from RNA polymerase II promoter
GO:0005634Cellular Componentnucleus
GO:0001046Molecular Functioncore promoter sequence-specific DNA binding
GO:0001228Molecular Functiontranscriptional activator activity, RNA polymerase II transcription regulatory region sequence-specific binding
GO:0046983Molecular Functionprotein dimerization activity
Plant Ontology ? help Back to Top
PO Term PO Category PO Description
PO:0003015anatomyprimary root differentiation zone
PO:0005059anatomyroot endodermis
Sequence ? help Back to Top
Protein Sequence    Length: 301 aa     Download sequence    Send to blast
MTEEFDTTGV CTGTWWSSSN GMFSGCSLPR SAEIVVDFGE IEWQNIDTLD AKTYNENYLS  60
TSTFLGNANL DTTSQIYVSS PSNIHEEERY NQINSFLEGL FDSSEQLLVP NCPKPELFES  120
FHFFDDVFPN ESRMISVFDH QKPKEDMQAC KSLTTCKRAS EKSGELEDIE SSQPLKRPRL  180
ETPSHFPSFK VRKEKLGDRI TALQQLVSPF GKTDTASVLH DAIDYIKFLQ EQITEKVSTS  240
PHLNSIGSGE QKQWSDKSSN NTHNQNCSPR QDLRSRGLCL MPISSTFSTP PQHLDTSSLW  300
N
Expression -- Microarray ? help Back to Top
Source ID E-value
Genevisible254404_at0.0
Expression AtlasAT4G21340-
AtGenExpressAT4G21340-
ATTED-IIAT4G21340-
Expression -- Description ? help Back to Top
Source Description
UniprotTISSUE SPECIFICITY: Mature root endodermis. {ECO:0000269|PubMed:16581911}.
Cis-element ? help Back to Top
SourceLink
PlantRegMapAT4G21340.1
Regulation -- PlantRegMap ? help Back to Top
Source Upstream Regulator Target Gene
PlantRegMapRetrieve-
Phenotype -- Mutation ? help Back to Top
Source ID
T-DNA ExpressAT4G21340
Annotation -- Nucleotide ? help Back to Top
Source Hit ID E-value Description
GenBankAY0653620.0AY065362.1 Arabidopsis thaliana unknown protein (At4g21340) mRNA, complete cds.
GenBankAY1229370.0AY122937.1 Arabidopsis thaliana unknown protein (At4g21340) mRNA, complete cds.
Annotation -- Protein ? help Back to Top
Source Hit ID E-value Description
RefseqNP_193865.20.0transcription factor bHLH103
SwissprotQ8VZ220.0BH103_ARATH; Transcription factor bHLH103
TrEMBLG4WH970.0G4WH97_ARALY; Putative uncharacterized protein
STRINGAT4G21340.10.0(Arabidopsis thaliana)
Orthologous Group ? help Back to Top
LineageOrthologous Group IDTaxa NumberGene Number
MalvidsOGEM147121418
Publications ? help Back to Top
  1. Heim MA, et al.
    The basic helix-loop-helix transcription factor family in plants: a genome-wide study of protein structure and functional diversity.
    Mol. Biol. Evol., 2003. 20(5): p. 735-47
    [PMID:12679534]
  2. Toledo-Ortiz G,Huq E,Quail PH
    The Arabidopsis basic/helix-loop-helix transcription factor family.
    Plant Cell, 2003. 15(8): p. 1749-70
    [PMID:12897250]
  3. Yamada K, et al.
    Empirical analysis of transcriptional activity in the Arabidopsis genome.
    Science, 2003. 302(5646): p. 842-6
    [PMID:14593172]
  4. Bailey PC, et al.
    Update on the basic helix-loop-helix transcription factor gene family in Arabidopsis thaliana.
    Plant Cell, 2003. 15(11): p. 2497-502
    [PMID:14600211]
  5. Kamau E,Charlesworth D
    Balancing selection and low recombination affect diversity near the self-incompatibility loci of the plant Arabidopsis lyrata.
    Curr. Biol., 2005. 15(19): p. 1773-8
    [PMID:16213826]
  6. Lee JY, et al.
    Transcriptional and posttranscriptional regulation of transcription factor expression in Arabidopsis roots.
    Proc. Natl. Acad. Sci. U.S.A., 2006. 103(15): p. 6055-60
    [PMID:16581911]
  7. Mace DL, et al.
    Quantification of transcription factor expression from Arabidopsis images.
    Bioinformatics, 2006. 22(14): p. e323-31
    [PMID:16873489]
  8. Horiuchi J, et al.
    The floral volatile, methyl benzoate, from snapdragon (Antirrhinum majus) triggers phytotoxic effects in Arabidopsis thaliana.
    Planta, 2007. 226(1): p. 1-10
    [PMID:17216481]
  9. Sherman-Broyles S, et al.
    S locus genes and the evolution of self-fertility in Arabidopsis thaliana.
    Plant Cell, 2007. 19(1): p. 94-106
    [PMID:17237349]
  10. Liu P,Sherman-Broyles S,Nasrallah ME,Nasrallah JB
    A cryptic modifier causing transient self-incompatibility in Arabidopsis thaliana.
    Curr. Biol., 2007. 17(8): p. 734-40
    [PMID:17412590]
  11. Tang C, et al.
    The evolution of selfing in Arabidopsis thaliana.
    Science, 2007. 317(5841): p. 1070-2
    [PMID:17656687]