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    LHCA4 light-harvesting chlorophyll-protein complex I subunit A4 [ Arabidopsis thaliana (thale cress) ]

    Gene ID: 823901, updated on 18-Sep-2024

    Summary

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    Official Symbol
    LHCA4
    Official Full Name
    light-harvesting chlorophyll-protein complex I subunit A4
    Primary source
    TAIR:AT3G47470
    Locus tag
    AT3G47470
    See related
    Araport:AT3G47470
    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
    CAB4; LHCI-730; light-harvesting chlorophyll-protein complex I subunit A4
    Summary
    Encodes a chlorophyll a/b-binding protein that is more similar to the PSI Cab proteins than the PSII cab proteins. The predicted protein is about 20 amino acids shorter than most known Cab proteins.
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    Genomic context

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    See LHCA4 in Genome Data Viewer
    Location:
    chromosome: 3
    Exon count:
    4
    Sequence:
    Chromosome: 3; NC_003074.8 (17493343..17495033, complement)

    Chromosome 3 - NC_003074.8Genomic Context describing neighboring genes Neighboring gene peroxin 11B Neighboring gene tonoplast intrinsic protein 5;1 Neighboring gene P-loop containing nucleoside triphosphate hydrolases superfamily protein Neighboring gene Structural maintenance of chromosomes (SMC) family protein Neighboring gene ncRNA Neighboring gene Calcium-binding EF-hand family 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. Pigment-pigment interactions in Lhca4 antenna complex of higher plants photosystem I. Morosinotto T, et al. J Biol Chem, 2005 May 27. PMID 15788395
    2. Impaired photosystem I oxidation induces STN7-dependent phosphorylation of the light-harvesting complex I protein Lhca4 in Arabidopsis thaliana. Ihnatowicz A, et al. Planta, 2008 Feb. PMID 17968587, Free PMC Article
    3. Photosystem I light-harvesting complex Lhca4 adopts multiple conformations: Red forms and excited-state quenching are mutually exclusive. Passarini F, et al. Biochim Biophys Acta, 2010 Apr. PMID 20097154
    4. From red to blue to far-red in Lhca4: how does the protein modulate the spectral properties of the pigments? Wientjes E, et al. Biochim Biophys Acta, 2012 May. PMID 22406625
    5. The role of Lhca complexes in the supramolecular organization of higher plant photosystem I. Wientjes E, et al. J Biol Chem, 2009 Mar 20. PMID 19139095, Free PMC Article

    See all (24) citations in PubMed

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?
    1. Changes in the low-energy absorption/emission band of Lhca4, which is well separated from the bulk absorption, are examined.
      Title: From red to blue to far-red in Lhca4: how does the protein modulate the spectral properties of the pigments?
    2. Data indicate that Lhca4 exists in multiple conformations.
      Title: Photosystem I light-harvesting complex Lhca4 adopts multiple conformations: Red forms and excited-state quenching are mutually exclusive.
    3. the binding of Lhca1/4 and Lhca2/3 dimers to the core is not interdependent, although weak binding of Lhca2/3 to the core is stabilized by the presence of Lhca4.
      Title: The role of Lhca complexes in the supramolecular organization of higher plant photosystem I.
    4. target for STN7-dependent phosphorylation under extreme redox conditions
      Title: Impaired photosystem I oxidation induces STN7-dependent phosphorylation of the light-harvesting complex I protein Lhca4 in Arabidopsis thaliana.
    5. analysis of pigment-pigment interactions between nearest neighboring chromophores in Lhca4 antenna complex showed that the low energy spectral form originates from an interaction involving chlorophylls A5 and B5(Lhca4)
      Title: Pigment-pigment interactions in Lhca4 antenna complex of higher plants photosystem I.
    Submit: New GeneRIF Correction

    Interactions

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    Products Interactant Other Gene Complex Source Pubs Description

    General gene information

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    Homology

    NM_114615.4

    Gene Ontology Provided by TAIR

    Function Evidence Code Pubs
    enables chlorophyll binding NAS
    Non-traceable Author Statement
    more info
    		  
    enables mRNA binding IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    Process Evidence Code Pubs
    involved_in photosynthesis, light harvesting in photosystem I IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    involved_in response to cold IEP
    Inferred from Expression Pattern
    more info
    		 PubMed 
    involved_in response to high light intensity IEP
    Inferred from Expression Pattern
    more info
    		 PubMed 
    involved_in response to low light intensity stimulus IEP
    Inferred from Expression Pattern
    more info
    		 PubMed 
    Component Evidence Code Pubs
    located_in chloroplast HDA PubMed 
    located_in chloroplast ISM
    Inferred from Sequence Model
    more info
    		  
    located_in chloroplast envelope HDA PubMed 
    located_in chloroplast thylakoid HDA PubMed 
    located_in chloroplast thylakoid membrane HDA PubMed 
    located_in chloroplast thylakoid membrane IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in cytosol HDA PubMed 
    located_in thylakoid HDA PubMed 

    General protein information

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    Preferred Names
    light-harvesting chlorophyll-protein complex I subunit A4
    NP_190331.3
    • light-harvesting chlorophyll-protein complex I subunit A4 (LHCA4); FUNCTIONS IN: chlorophyll binding; INVOLVED IN: response to karrikin, photosynthesis; LOCATED IN: in 7 components; EXPRESSED IN: 24 plant structures; EXPRESSED DURING: 14 growth stages; CONTAINS InterPro DOMAIN/s: Chlorophyll A-B binding protein (InterPro:IPR001344); BEST Arabidopsis thaliana protein match is: photosystem I light harvesting complex gene 2 (TAIR:AT3G61470.1); Has 2336 Blast hits to 2249 proteins in 223 species: Archae - 0; Bacteria - 0; Metazoa - 3; Fungi - 0; Plants - 1967; Viruses - 0; Other Eukaryotes - 366 (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
      17493343..17495033 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_114615.4 → NP_190331.3  light-harvesting chlorophyll-protein complex I subunit A4 [Arabidopsis thaliana]

      See identical proteins and their annotated locations for NP_190331.3

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      P27521
      UniProtKB/TrEMBL
      A0A178VEE6, A0A5S9XJF4
      Conserved Domains (1) summary
      PLN00101
      Location:1 → 250
      PLN00101; Photosystem I light-harvesting complex type 4 protein; Provisional
    Nucleotide Protein
    Heading Accession and Version
    Protein Accession Links
    GenPept Link UniProtKB Link
    P27521.1

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