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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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