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    HB21 homeobox protein 21 [ Arabidopsis thaliana (thale cress) ]

    Gene ID: 814784, updated on 18-Sep-2024

    Summary

    Official Symbol
    HB21
    Official Full Name
    homeobox protein 21
    Primary source
    TAIR:AT2G02540
    Locus tag
    AT2G02540
    See related
    Araport:AT2G02540
    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
    ATHB21; homeobox protein 21; T8K22.16; T8K22_16; ZFHD4; ZHD3; ZINC FINGER HOMEODOMAIN 3; ZINC FINGER HOMEODOMAIN 4
    Summary
    Zinc finger homeobox protein. Expressed in vascular tissue. In a yeast one hybrid system was not able to transactivate a reporter gene.
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    Genomic context

    See HB21 in Genome Data Viewer
    Location:
    chromosome: 2
    Exon count:
    2
    Sequence:
    Chromosome: 2; NC_003071.7 (683625..685496)

    Chromosome 2 - NC_003071.7Genomic Context describing neighboring genes Neighboring gene RNA-directed DNA polymerase (reverse transcriptase)-related family protein Neighboring gene uncharacterized protein Neighboring gene ncRNA Neighboring gene PIN domain-like family protein Neighboring gene cullin-associated and neddylation dissociated

    Interactions

    Products Interactant Other Gene Complex Source Pubs Description

    General gene information

    NM_001335126.1
    NM_126310.3

    Gene Ontology Provided by TAIR

    Function Evidence Code Pubs
    enables DNA binding ISS
    Inferred from Sequence or Structural Similarity
    more info
    PubMed 
    enables protein binding IPI
    Inferred from Physical Interaction
    more info
    PubMed 
    enables protein homodimerization activity ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    enables transcription cis-regulatory region binding IPI
    Inferred from Physical Interaction
    more info
    PubMed 
    Component Evidence Code Pubs
    located_in nucleus ISM
    Inferred from Sequence Model
    more info
     
    located_in nucleus ISS
    Inferred from Sequence or Structural Similarity
    more info
     

    General protein information

    Preferred Names
    homeobox protein 21
    NP_001318182.1
    • homeobox protein 21 (HB21); CONTAINS InterPro DOMAIN/s: Homeobox (InterPro:IPR001356), Homeobox domain, ZF-HD class (InterPro:IPR006455), ZF-HD homeobox protein, Cys/His-rich dimerisation domain (InterPro:IPR006456), Homeodomain-related (InterPro:IPR012287); BEST Arabidopsis thaliana protein match is: homeobox protein 31 (TAIR:AT1G14440.2); Has 496 Blast hits to 486 proteins in 43 species: Archae - 0; Bacteria - 0; Metazoa - 11; Fungi - 0; Plants - 476; Viruses - 0; Other Eukaryotes - 9 (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_003071.7 Reference assembly

      Range
      683625..685496
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_001335126.1NP_001318182.1  homeobox protein 21 [Arabidopsis thaliana]

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      O64722, Q8RWR4
      UniProtKB/TrEMBL
      A0A178VSZ2, A0A5S9WWK9, A0A654ESX3
      Conserved Domains (2) summary
      TIGR01565
      Location:222279
      homeo_ZF_HD; homeobox domain, ZF-HD class
      pfam04770
      Location:84138
      ZF-HD_dimer; ZF-HD protein dimerization region
    2. NM_126310.3NP_178358.1  homeobox protein 21 [Arabidopsis thaliana]

      See identical proteins and their annotated locations for NP_178358.1

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      O64722, Q8RWR4
      UniProtKB/TrEMBL
      A0A178VSZ2, A0A5S9WWK9, A0A654ESX3
      Conserved Domains (2) summary
      TIGR01565
      Location:222279
      homeo_ZF_HD; homeobox domain, ZF-HD class
      pfam04770
      Location:84138
      ZF-HD_dimer; ZF-HD protein dimerization region