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    SIB1 sigma factor binding protein 1 [ Arabidopsis thaliana (thale cress) ]

    Gene ID: 824838, updated on 18-Sep-2024

    Summary

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    Official Symbol
    SIB1
    Official Full Name
    sigma factor binding protein 1
    Primary source
    TAIR:AT3G56710
    Locus tag
    AT3G56710
    See related
    Araport:AT3G56710
    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
    sigma factor binding protein 1
    Summary
    Sig1 binding protein; interacts with Sig1R4. As well as Sig1, SibI is imported into chloroplasts and its expression is light-dependent in mature chloroplasts.
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    Genomic context

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    See SIB1 in Genome Data Viewer
    Location:
    chromosome: 3
    Exon count:
    1
    Sequence:
    Chromosome: 3; NC_003074.8 (21006638..21008068, complement)

    Chromosome 3 - NC_003074.8Genomic Context describing neighboring genes Neighboring gene fatty acid reductase 6 Neighboring gene ncRNA Neighboring gene pre-mRNA-splicing factor Neighboring gene Putative endonuclease or glycosyl hydrolase

    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. The Arabidopsis gene SIGMA FACTOR-BINDING PROTEIN 1 plays a role in the salicylate- and jasmonate-mediated defence responses. Xie YD, et al. Plant Cell Environ, 2010 May. PMID 20040062, Free PMC Article
    2. Structural basis for the regulation of plant transcription factor WRKY33 by the VQ protein SIB1. Dong X, et al. Commun Biol, 2024 May 11. PMID 38734744, Free PMC Article
    3. Novel nuclear-encoded proteins interacting with a plastid sigma factor, Sig1, in Arabidopsis thaliana. Morikawa K, et al. FEBS Lett, 2002 Mar 13. PMID 11943170
    4. Antagonistic modules regulate photosynthesis-associated nuclear genes via GOLDEN2-LIKE transcription factors. Li M, et al. Plant Physiol, 2022 Mar 28. PMID 34951648, Free PMC Article
    5. Arabidopsis sigma factor binding proteins are activators of the WRKY33 transcription factor in plant defense. Lai Z, et al. Plant Cell, 2011 Oct. PMID 21990940, Free PMC Article

    See all (8) citations in PubMed

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?
    1. Structural basis for the regulation of plant transcription factor WRKY33 by the VQ protein SIB1.
      Title: Structural basis for the regulation of plant transcription factor WRKY33 by the VQ protein SIB1.
    2. Antagonistic modules regulate photosynthesis-associated nuclear genes via GOLDEN2-LIKE transcription factors.
      Title: Antagonistic modules regulate photosynthesis-associated nuclear genes via GOLDEN2-LIKE transcription factors.
    3. The WRKY33 proteins interact with VQ motif of SIB1 (SIGMA FACTOR-INTERACTING PROTEIN1) proteins through their C-terminal WRKY domains.
      Title: Structural and functional analysis of VQ motif-containing proteins in Arabidopsis as interacting proteins of WRKY transcription factors.
    4. Dual-targeted SIB1 and SIB2 function as activators of WRKY33 in plant defense against necrotrophic pathogens.
      Title: Arabidopsis sigma factor binding proteins are activators of the WRKY33 transcription factor in plant defense.
    5. Over-expression of SIB1 enhances resistance to P. syringae. Mutations in SIB1 alter induction of defence-related genes triggered by pathogen infection and the treatments with salicylate and jasmonate.
      Title: The Arabidopsis gene SIGMA FACTOR-BINDING PROTEIN 1 plays a role in the salicylate- and jasmonate-mediated defence responses.
    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_001339806.1
    NM_115530.2

    Gene Ontology Provided by TAIR

    Function Evidence Code Pubs
    enables protein binding IPI
    Inferred from Physical Interaction
    more info
    		 PubMed 
    Process Evidence Code Pubs
    involved_in cellular response to light stimulus IEP
    Inferred from Expression Pattern
    more info
    		 PubMed 
    involved_in defense response to bacterium IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    involved_in positive regulation of DNA-binding transcription factor activity IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    Component Evidence Code Pubs
    located_in chloroplast IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in nucleus IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in nucleus ISM
    Inferred from Sequence Model
    more info
    		  

    General protein information

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    Preferred Names
    sigma factor binding protein 1
    NP_191230.1
    • sigma factor binding protein 1 (SIB1); CONTAINS InterPro DOMAIN/s: VQ (InterPro:IPR008889); BEST Arabidopsis thaliana protein match is: VQ motif-containing protein (TAIR:AT2G41180.1); Has 66 Blast hits to 66 proteins in 11 species: Archae - 0; Bacteria - 0; Metazoa - 0; Fungi - 0; Plants - 66; Viruses - 0; Other Eukaryotes - 0 (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
      21006638..21008068 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_115530.2 → NP_191230.1  sigma factor binding protein 1 [Arabidopsis thaliana]

      See identical proteins and their annotated locations for NP_191230.1

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      Q9LDH1
      UniProtKB/TrEMBL
      A0A178VMX5
      Conserved Domains (1) summary
      pfam05678
      Location:45 → 72
      VQ; VQ motif

    2. NM_001339806.1 → NP_001325423.1  sigma factor binding protein 1 [Arabidopsis thaliana]

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      Q9LDH1
      UniProtKB/TrEMBL
      A0A178VMX5
      Conserved Domains (1) summary
      pfam05678
      Location:45 → 72
      VQ; VQ motif
    Nucleotide Protein
    Heading Accession and Version
    Protein Accession Links
    GenPept Link UniProtKB Link
    Q9LDH1.1

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