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HB20 homeobox protein 20 [ Arabidopsis thaliana (thale cress) ]

Gene ID: 821232, updated on 18-Sep-2024

Summary

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Official Symbol
HB20
Official Full Name
homeobox protein 20
Primary source
TAIR:AT3G01220
Locus tag
AT3G01220
See related
Araport:AT3G01220
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Arabidopsis thaliana (ecotype: Columbia)
Lineage
Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
Also known as
ATHB20; homeobox protein 20; T4P13.9; T4P13_9
Summary
Encodes a homeodomain leucine zipper class I (HD-Zip I) protein. Expressed during seed germination in the micropylar endosperm and in the root cap, and increases ABA sensitivity and seed dormancy when mutated.
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Genomic context

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See HB20 in Genome Data Viewer
Location:
chromosome: 3
Exon count:
3
Sequence:
Chromosome: 3; NC_003074.8 (73307..75539)

Chromosome 3 - NC_003074.8Genomic Context describing neighboring genes Neighboring gene Peroxidase superfamily protein Neighboring gene ncRNA Neighboring gene PPDK regulatory protein 2 Neighboring gene RNA-binding (RRM/RBD/RNP motifs) family protein Neighboring gene splicing regulatory glutamine/lysine-rich-like protein Neighboring gene splicing regulatory glutamine/lysine-rich-like protein

Genomic regions, transcripts, and products

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Genomic Sequence:
NC_003074.8

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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Related articles in PubMed

  1. Gene expression profiling identifies two regulatory genes controlling dormancy and ABA sensitivity in Arabidopsis seeds. Barrero JM, et al. Plant J, 2010 Feb. PMID 19947978
  2. Auxin signaling in Arabidopsis leaf vascular development. Mattsson J, et al. Plant Physiol, 2003 Mar. PMID 12644682, Free PMC Article
  3. Regulation of leaf maturation by chromatin-mediated modulation of cytokinin responses. Efroni I, et al. Dev Cell, 2013 Feb 25. PMID 23449474, Free PMC Article
  4. Arabidopsis transcription factors: genome-wide comparative analysis among eukaryotes. Riechmann JL, et al. Science, 2000 Dec 15. PMID 11118137
  5. CrY2H-seq: a massively multiplexed assay for deep-coverage interactome mapping. Wanamaker SA, et al. Nat Methods, 2017 Aug. PMID 28650476, Free PMC Article

See all (7) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. ATHB20 is expressed during seed germination in the micropylar endosperm and in the root cap, and increases ABA sensitivity and seed dormancy when mutated. [ATHB20]
    Title: Gene expression profiling identifies two regulatory genes controlling dormancy and ABA sensitivity in Arabidopsis seeds.
Submit: New GeneRIF Correction

Interactions

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Products Interactant Other Gene Complex Source Pubs Description

General gene information

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NM_110988.3

Gene Ontology Provided by TAIR

Function Evidence Code Pubs
enables DNA-binding transcription factor activity ISS
Inferred from Sequence or Structural Similarity
more info
 PubMed 
enables DNA-binding transcription factor activity, RNA polymerase II-specific IEA
Inferred from Electronic Annotation
more info
  
enables protein binding IPI
Inferred from Physical Interaction
more info
 PubMed 
enables sequence-specific DNA binding IEA
Inferred from Electronic Annotation
more info
  
Process Evidence Code Pubs
acts_upstream_of_or_within response to auxin IEP
Inferred from Expression Pattern
more info
 PubMed 
Component Evidence Code Pubs
located_in nucleus ISM
Inferred from Sequence Model
more info
  

General protein information

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Preferred Names
homeobox protein 20
NP_186771.1
  • homeobox protein 20 (HB20); FUNCTIONS IN: DNA binding, sequence-specific DNA binding transcription factor activity; INVOLVED IN: response to auxin stimulus, regulation of transcription, DNA-dependent; LOCATED IN: nucleus; EXPRESSED IN: 11 plant structures; EXPRESSED DURING: E expanded cotyledon stage; CONTAINS InterPro DOMAIN/s: Homeobox, conserved site (InterPro:IPR017970), Homeobox (InterPro:IPR001356), Homeodomain-like (InterPro:IPR009057), Helix-turn-helix motif, lambda-like repressor (InterPro:IPR000047), Leucine zipper, homeobox-associated (InterPro:IPR003106), Homeodomain-related (InterPro:IPR012287); BEST Arabidopsis thaliana protein match is: homeobox 3 (TAIR:AT5G15150.1); Has 9615 Blast hits to 9578 proteins in 515 species: Archae - 0; Bacteria - 1; Metazoa - 7277; Fungi - 141; Plants - 2025; Viruses - 4; Other Eukaryotes - 167 (source: NCBI BLink).

NCBI Reference Sequences (RefSeq)

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

  1. NC_003074.8 Reference assembly

    Range
    73307..75539
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NM_110988.3 → NP_186771.1  homeobox protein 20 [Arabidopsis thaliana]

    See identical proteins and their annotated locations for NP_186771.1

    Status: REVIEWED

    UniProtKB/Swiss-Prot
    Q058J7, Q8LAT0, Q9MAD1
    UniProtKB/TrEMBL
    A0A178VB41
    Conserved Domains (2) summary
    smart00389
    Location:87 → 140
    HOX; Homeodomain
    pfam02183
    Location:142 → 183
    HALZ; Homeobox associated leucine zipper
Nucleotide Protein
Heading Accession and Version
Protein Accession Links
GenPept Link UniProtKB Link
Q8LAT0.2

Gene LinkOut

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