PlantTFDB
Plant Transcription Factor Database
v4.0
Previous version: v1.0, v2.0, v3.0
Transcription Factor Information
Basic Information | Signature Domain | Sequence | 
Basic Information? help Back to Top
TF ID AT3G20640.1
Common NameBHLH123, EN63, F3H11.2
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: 454aa    MW: 49064.3 Da    PI: 6.6494
Description bHLH family protein
Gene Model
Gene Model ID Type Source Coding Sequence
AT3G20640.1genomeTAIRView CDS
Signature Domain? help Back to Top
Signature Domain
No. Domain Score E-value Start End HMM Start HMM End
1HLH17.48.2e-063453831154
                  HHHHHHHHHHHHHHCTSCCC...TTS-STCHHHHHHHHHHHHHH CS
          HLH  11 rRRdriNsafeeLrellPkaskapskKlsKaeiLekAveYIksL 54 
                  +R +++ ++++ L++l+ +      +K + a++L +A+eYIk L
  AT3G20640.1 345 KRKEKMGDRIAALQQLVSPF-----GKTDAASVLSEAIEYIKFL 383
                  5778999***********98.....8****************98 PP

Protein Features ? help Back to Top
3D Structure
Database Entry ID E-value Start End InterPro ID Description
PROSITE profilePS5088812.633334383IPR011598Myc-type, basic helix-loop-helix (bHLH) domain
SuperFamilySSF474597.2E-11345398IPR011598Myc-type, basic helix-loop-helix (bHLH) domain
CDDcd000833.22E-6345388No hitNo description
Gene3DG3DSA:4.10.280.108.6E-10348392IPR011598Myc-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:0000293anatomyguard cell
Sequence ? help Back to Top
Protein Sequence    Length: 454 aa     Download sequence    Send to blast
MGDHHDFINS GSWWKVSSSS SPSSSSSMRA SSIESGGSAV FHDKLHHHSL ATDHHLQMIG  60
LGLSSQSPVD QWNQSLLRGD SKAETSFGVM LQENLNLDAT SNANANTTSS TSSYQLQESD  120
SSHHHQALWR DPQSDFKPQI LTSGGNRGFF LDHQFSPHGS SSTDSSTVTC QGFAVDNSSN  180
AMYAATTTTP NSSSGMFHHQ QAGGFGSSDQ QPSRNHQQSS LGYSQFGSST GNYDQMASAL  240
PSTWFLRSSP PPKPHSPLRF SNNATFWNPA AAGNAGAPPP HDASSNFFPA LQPPQIHPQS  300
FDEQPKNISE IRDSSSNEVK RGGNDHQPAA KRAKSEAASP SPAFKRKEKM GDRIAALQQL  360
VSPFGKTDAA SVLSEAIEYI KFLHQQVSAL SNPYMKSGAS LQHQQSDHST ELEVSEEPDL  420
RSRGLCLVPV SSTFPVTHDT TVDFWTPTFG GTFR
Expression -- UniGene ? help Back to Top
UniGene ID E-value Expressed in
At.382020.0root
Expression -- Microarray ? help Back to Top
Source ID E-value
GEO306858800.0
Expression AtlasAT3G20640-
AtGenExpressAT3G20640-
Function -- GeneRIF ? help Back to Top
  1. identified a gene, designated NAN, encoding a basic helix-loop-helix (bHLH) transcription factor that regulates cell elongation and seed germination in plants
    [PMID: 15995349]
Cis-element ? help Back to Top
SourceLink
PlantRegMapAT3G20640.1
Regulation -- PlantRegMap ? help Back to Top
Source Upstream Regulator Target Gene
PlantRegMapRetrieve-
Phenotype -- Mutation ? help Back to Top
Source ID
T-DNA ExpressAT3G20640
Annotation -- Nucleotide ? help Back to Top
Source Hit ID E-value Description
GenBankBT0085800.0BT008580.1 Arabidopsis thaliana clone U50947 unknown protein (At3g20640) mRNA, complete cds.
GenBankAK1180540.0AK118054.1 Arabidopsis thaliana At3g20640 mRNA for putative bHLH transcription factor (bHLH123), complete cds, clone: RAFL19-30-D14.
Annotation -- Protein ? help Back to Top
Source Hit ID E-value Description
RefseqNP_188700.10.0transcription factor bHLH123
SwissprotQ8GXT30.0BH123_ARATH; Transcription factor bHLH123
TrEMBLR0HLE70.0R0HLE7_9BRAS; Uncharacterized protein (Fragment)
STRINGAT3G20640.10.0(Arabidopsis thaliana)
Orthologous Group ? help Back to Top
LineageOrthologous Group IDTaxa NumberGene Number
Representative plantOGRP31351129
MalvidsOGEM40242553
Publications ? help Back to Top
  1. Seki M, et al.
    Functional annotation of a full-length Arabidopsis cDNA collection.
    Science, 2002. 296(5565): p. 141-5
    [PMID:11910074]
  2. 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]
  3. 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]
  4. Dal Bosco C, et al.
    Inactivation of the chloroplast ATP synthase gamma subunit results in high non-photochemical fluorescence quenching and altered nuclear gene expression in Arabidopsis thaliana.
    J. Biol. Chem., 2004. 279(2): p. 1060-9
    [PMID:14576160]
  5. Yamada K, et al.
    Empirical analysis of transcriptional activity in the Arabidopsis genome.
    Science, 2003. 302(5646): p. 842-6
    [PMID:14593172]
  6. 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]
  7. Kim JA,Lee M,Kim YS,Woo JC,Park CM
    A basic helix-loop-helix transcription factor regulates cell elongation and seed germination.
    Mol. Cells, 2005. 19(3): p. 334-41
    [PMID:15995349]
  8. Wagner R,Pfannschmidt T
    Eukaryotic transcription factors in plastids--Bioinformatic assessment and implications for the evolution of gene expression machineries in plants.
    Gene, 2006. 381: p. 62-70
    [PMID:16934950]