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SIG4 sigma factor 4 [ Arabidopsis thaliana (thale cress) ]

Gene ID: 831218, updated on 18-Sep-2024

Summary

Official Symbol
SIG4
Official Full Name
sigma factor 4
Primary source
TAIR:AT5G13730
Locus tag
AT5G13730
See related
Araport:AT5G13730
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
MSH12.20; MSH12_20; SIGD; sigma factor 4
Summary
Encodes sigma 4 factor, involved in regulating the activity of the plastid-encoded RNA polymerase PEP. Regulates the overall quantity of NDH complexes and thus influences NDH activity.
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Genomic context

See SIG4 in Genome Data Viewer
Location:
chromosome: 5
Exon count:
4
Sequence:
Chromosome: 5; NC_003076.8 (4429095..4430901, complement)

Chromosome 5 - NC_003076.8Genomic Context describing neighboring genes Neighboring gene alpha-N-acetylglucosaminidase family / NAGLU family Neighboring gene polyamine oxidase 1 Neighboring gene sterol methyltransferase 1 Neighboring gene Uncharacterized protein family (UPF0114) Neighboring gene zinc induced facilitator 1 Neighboring gene zinc induced facilitator-like 1

Interactions

Products Interactant Other Gene Complex Source Pubs Description

General gene information

NM_121376.4

Gene Ontology Provided by TAIR

Function Evidence Code Pubs
enables sigma factor activity IMP
Inferred from Mutant Phenotype
more info
PubMed 
enables sigma factor activity ISS
Inferred from Sequence or Structural Similarity
more info
PubMed 
Component Evidence Code Pubs
located_in chloroplast ISM
Inferred from Sequence Model
more info
 
located_in chloroplast ISS
Inferred from Sequence or Structural Similarity
more info
 

General protein information

Preferred Names
sigma factor 4
NP_196877.1
  • sigma factor 4 (SIG4); FUNCTIONS IN: DNA-directed RNA polymerase activity, sigma factor activity, DNA binding, sequence-specific DNA binding transcription factor activity; INVOLVED IN: regulation of transcription, DNA-dependent, transcription initiation; LOCATED IN: chloroplast; EXPRESSED IN: 20 plant structures; EXPRESSED DURING: 13 growth stages; CONTAINS InterPro DOMAIN/s: RNA polymerase sigma factor, region 2 (InterPro:IPR013325), Winged helix-turn-helix transcription repressor DNA-binding (InterPro:IPR011991), RNA polymerase sigma-70 region 3 (InterPro:IPR007624), RNA polymerase sigma-70 (InterPro:IPR014284), RNA polymerase sigma factor, region 3/4 (InterPro:IPR013324), RNA polymerase sigma-70 factor (InterPro:IPR000943), RNA polymerase sigma-70 region 2 (InterPro:IPR007627), RNA polymerase sigma-70 region 4 (InterPro:IPR007630); BEST Arabidopsis thaliana protein match is: RNApolymerase sigma subunit 2 (TAIR:AT1G08540.1); Has 1807 Blast hits to 1807 proteins in 277 species: Archae - 0; Bacteria - 0; Metazoa - 736; Fungi - 347; Plants - 385; Viruses - 0; Other Eukaryotes - 339 (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_003076.8 Reference assembly

    Range
    4429095..4430901 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NM_121376.4NP_196877.1  sigma factor 4 [Arabidopsis thaliana]

    See identical proteins and their annotated locations for NP_196877.1

    Status: REVIEWED

    UniProtKB/Swiss-Prot
    Q9SXP8, Q9ZSL6
    UniProtKB/TrEMBL
    A0A178U7C2, A0A5S9Y4P4
    Conserved Domains (1) summary
    TIGR02997
    Location:158403
    Sig70-cyanoRpoD; RNA polymerase sigma factor, cyanobacterial RpoD-like family