P14276 · CB2E_SOLLC

Function

function

The light-harvesting complex (LHC) functions as a light receptor, it captures and delivers excitation energy to photosystems with which it is closely associated.

Cofactor

Note: Binds at least 14 chlorophylls (8 Chl-a and 6 Chl-b) and carotenoids such as lutein and neoxanthin.

Features

Showing features for binding site.

126720406080100120140160180200220240260
TypeIDPosition(s)Description
Binding site154Mg (UniProtKB | ChEBI) of chlorophyll b 2 (UniProtKB | ChEBI); axial binding residue
Binding site158chlorophyll b 3 (UniProtKB | ChEBI)
Binding site166chlorophyll b 4 (UniProtKB | ChEBI)
Binding site166chlorophyll b 5 (UniProtKB | ChEBI)
Binding site174Mg (UniProtKB | ChEBI) of chlorophyll b 3 (UniProtKB | ChEBI); axial binding residue
Binding site177chlorophyll b 4 (UniProtKB | ChEBI)
Binding site183chlorophyll b 2 (UniProtKB | ChEBI)
Binding site214chlorophyll a 5 (UniProtKB | ChEBI)
Binding site215Mg (UniProtKB | ChEBI) of chlorophyll a 3 (UniProtKB | ChEBI); axial binding residue
Binding site218Mg (UniProtKB | ChEBI) of chlorophyll a 4 (UniProtKB | ChEBI); axial binding residue
Binding site220chlorophyll a 1 (UniProtKB | ChEBI)
Binding site232Mg (UniProtKB | ChEBI) of chlorophyll a 5 (UniProtKB | ChEBI); axial binding residue
Binding site247Mg (UniProtKB | ChEBI) of chlorophyll a 6 (UniProtKB | ChEBI); axial binding residue
Binding site256chlorophyll a 6 (UniProtKB | ChEBI)
Binding site263chlorophyll b 5 (UniProtKB | ChEBI)

GO annotations

all annotationsall molecular functionnucleotide bindingmolecular_functionnucleic acid bindingdna bindingchromatin bindingdna-binding transcription factor activityrna bindingcytoskeletal motor activitycatalytic activitynuclease activitysignaling receptor bindingstructural molecule activitytransporter activitybindingprotein bindingtranslation factor activity, rna bindinglipid bindingkinase activitytransferase activityhydrolase activityoxygen bindingenzyme regulator activitycarbohydrate bindingsignaling receptor activitytranslation regulator activitytranscription regulator activityother molecular functionall biological processcarbohydrate metabolic processgeneration of precursor metabolites and energynucleobase-containing compound metabolic processdna metabolic processtranslationlipid metabolic processtransportresponse to stresscell cyclecell communicationsignal transductioncell-cell signalingmulticellular organism developmentcircadian rhythmbiological_processmetabolic processcatabolic processbiosynthetic processresponse to light stimulusresponse to external stimulustropismresponse to biotic stimulusresponse to abiotic stimulusresponse to endogenous stimulusembryo developmentpost-embryonic developmentfruit ripeningabscissionpollinationflower developmentcellular processprogrammed cell deathphotosynthesiscellular component organizationcell growthprotein metabolic processcellular homeostasissecondary metabolic processreproductive processcell differentiationprotein modification processgrowthepigenetic regulation of gene expressionresponse to chemicalanatomical structure developmentregulation of molecular functionother biological processall cellular componentcellular_componentextracellular regioncell wallintracellular anatomical structurenucleusnuclear envelopenucleoplasmnucleoluscytoplasmmitochondrionlysosomeendosomevacuoleperoxisomeendoplasmic reticulumgolgi apparatuscytosolribosomecytoskeletonplasma membranechloroplastplastidthylakoidmembraneexternal encapsulating structureother cellular component
Cell color indicative of number of GO terms
AspectTerm
Cellular Componentchloroplast thylakoid membrane
Cellular Componentphotosystem I
Cellular Componentphotosystem II
Molecular Functionchlorophyll binding
Molecular Functionmetal ion binding
Biological Processphotosynthesis, light harvesting in photosystem I
Biological Processresponse to light stimulus

Keywords

Names & Taxonomy

Protein names

  • Recommended name
    Chlorophyll a-b binding protein 3A, chloroplastic
  • Alternative names
    • LHCII type I CAB-3A (LHCP)

Gene names

    • Name
      CAB3A

Organism names

  • Taxonomic identifier
  • Strain
    • cv. T6
  • Taxonomic lineage
    Eukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > asterids > lamiids > Solanales > Solanaceae > Solanoideae > Solaneae > Solanum > Solanum subgen. Lycopersicon

Accessions

  • Primary accession
    P14276

Proteomes

Subcellular Location

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane153-173Helical
Transmembrane221-241Helical

Keywords

PTM/Processing

Features

Showing features for transit peptide, chain.

TypeIDPosition(s)Description
Transit peptide1-34Chloroplast
ChainPRO_000000366535-267Chlorophyll a-b binding protein 3A, chloroplastic

Post-translational modification

Photoregulated by reversible phosphorylation of its threonine residues.

Keywords

Proteomic databases

Expression

Gene expression databases

Interaction

Subunit

The LHC complex consists of chlorophyll a-b binding proteins.

Protein-protein interaction databases

Family & Domains

Features

Showing features for region.

TypeIDPosition(s)Description
Region23-56Disordered

Domain

The N-terminus of the protein extends into the stroma where it is involved with adhesion of granal membranes and post-translational modifications; both are believed to mediate the distribution of excitation energy between photosystems I and II.

Sequence similarities

Keywords

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Fragments
  • Sequence processing
    The displayed sequence is further processed into a mature form.
  • Length
    267
  • Mass (Da)
    28,587
  • Last updated
    1990-01-01 v1
  • Checksum
    ABFDD1BCCD87358B
MAASTMALSSSTFAGKTVKLAPSSSEITGNGRITMRKTAAKPKPASSGSPWXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXSLVHAQSILAIWACQVVLMGAVEGYRIAGGPLGEVVDPLYPGGSFDPLGLAEDPEAFAELKVKEIKNGRLAMFSMFGFFVQAIVTGKGPLENLADHIADPVNNNAWAFATNFVPGK

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
M30619
EMBL· GenBank· DDBJ
AAA34154.1
EMBL· GenBank· DDBJ
Genomic DNA
M30620
EMBL· GenBank· DDBJ
AAA34155.1
EMBL· GenBank· DDBJ
Genomic DNA

Similar Proteins

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