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A0A315

- PSBA_COFAR

UniProt

A0A315 - PSBA_COFAR

Protein

Photosystem Q(B) protein

Gene

psbA

Organism
Coffea arabica (Arabian coffee)
Status
Reviewed - Annotation score: 4 out of 5- Protein inferred from homologyi
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    • History
      Entry version 46 (01 Oct 2014)
      Sequence version 1 (14 Nov 2006)
      Previous versions | rss
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    Functioni

    This is one of the two reaction center proteins of photosystem II.By similarity

    Catalytic activityi

    2 H2O + 2 plastoquinone + 4 light = O2 + 2 plastoquinol.UniRule annotation

    Cofactori

    The psbA/B heterodimer binds P680, the primary electron donor of PSII. It shares a non-heme iron and each subunit binds additional chlorophylls and pheophytin. PsbA provides most of the ligands for the Mn-cluster of the oxygen-evolving complex By similarity.By similarity

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi170 – 1701Calcium-manganese-oxide cluster [Ca-4Mn-5O]; calciumUniRule annotation
    Metal bindingi170 – 1701Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 1UniRule annotation
    Metal bindingi189 – 1891Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 2UniRule annotation
    Metal bindingi215 – 2151Iron; shared with heterodimeric partnerUniRule annotation
    Metal bindingi272 – 2721Iron; shared with heterodimeric partnerUniRule annotation
    Metal bindingi332 – 3321Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 2; via tele nitrogenUniRule annotation
    Metal bindingi333 – 3331Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 1UniRule annotation
    Metal bindingi333 – 3331Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 3UniRule annotation
    Metal bindingi342 – 3421Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 2UniRule annotation
    Metal bindingi342 – 3421Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 4UniRule annotation
    Sitei344 – 3452Cleavage; by ctpABy similarity
    Metal bindingi344 – 3441Calcium-manganese-oxide cluster [Ca-4Mn-5O]; calcium; via carboxylateUniRule annotation
    Metal bindingi344 – 3441Calcium-manganese-oxide cluster [Ca-4Mn-5O]; manganese 4; via carboxylateUniRule annotation

    GO - Molecular functioni

    1. electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity Source: InterPro
    2. iron ion binding Source: UniProtKB-HAMAP
    3. oxidoreductase activity Source: UniProtKB-KW

    GO - Biological processi

    1. photosynthetic electron transport in photosystem II Source: InterPro
    2. response to herbicide Source: UniProtKB-KW

    Keywords - Molecular functioni

    Oxidoreductase

    Keywords - Biological processi

    Electron transport, Herbicide resistance, Photosynthesis, Transport

    Keywords - Ligandi

    Calcium, Iron, Manganese, Metal-binding

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Photosystem Q(B) proteinUniRule annotation (EC:1.10.3.9UniRule annotation)
    Alternative name(s):
    32 kDa thylakoid membrane proteinUniRule annotation
    Photosystem II protein D1UniRule annotation
    Gene namesi
    Name:psbAUniRule annotation
    Encoded oniPlastid; Chloroplast
    OrganismiCoffea arabica (Arabian coffee)
    Taxonomic identifieri13443 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsGentianalesRubiaceaeIxoroideaeCoffeeaeCoffea

    Subcellular locationi

    Plastidchloroplast thylakoid membrane UniRule annotation; Multi-pass membrane protein UniRule annotation

    GO - Cellular componenti

    1. chloroplast thylakoid membrane Source: UniProtKB-SubCell
    2. integral component of membrane Source: UniProtKB-KW
    3. photosystem II Source: UniProtKB-KW

    Keywords - Cellular componenti

    Chloroplast, Membrane, Photosystem II, Plastid, Thylakoid

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 344344Photosystem Q(B) proteinPRO_0000339974Add
    BLAST
    Propeptidei345 – 3539UniRule annotationPRO_0000339975

    Amino acid modifications

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Modified residuei2 – 21N-acetylthreonineUniRule annotation
    Modified residuei2 – 21PhosphothreonineUniRule annotation

    Keywords - PTMi

    Acetylation, Phosphoprotein

    Proteomic databases

    PRIDEiA0A315.

    Interactioni

    Subunit structurei

    The psbA/B heterodimer binds the P680 chlorophylls and subsequent electron acceptors. PSII consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. PSII forms dimeric complexes By similarity.By similarity

    Structurei

    3D structure databases

    ProteinModelPortaliA0A315.
    SMRiA0A315. Positions 10-344.
    ModBaseiSearch...
    MobiDBiSearch...

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei36 – 5621HelicalUniRule annotationAdd
    BLAST
    Transmembranei109 – 12921HelicalUniRule annotationAdd
    BLAST
    Transmembranei141 – 16424HelicalUniRule annotationAdd
    BLAST
    Transmembranei192 – 21827HelicalUniRule annotationAdd
    BLAST
    Transmembranei269 – 28921HelicalUniRule annotationAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the reaction center PufL/M/PsbA/D family.UniRule annotation

    Keywords - Domaini

    Transmembrane, Transmembrane helix

    Family and domain databases

    Gene3Di1.20.85.10. 1 hit.
    HAMAPiMF_01379. PSII_PsbA_D1.
    InterProiIPR000484. Photo_RC_L/M.
    IPR005867. PSII_D1.
    [Graphical view]
    PfamiPF00124. Photo_RC. 1 hit.
    [Graphical view]
    PRINTSiPR00256. REACTNCENTRE.
    SUPFAMiSSF81483. SSF81483. 1 hit.
    TIGRFAMsiTIGR01151. psbA. 1 hit.
    PROSITEiPS00244. REACTION_CENTER. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Sequence processingi: The displayed sequence is further processed into a mature form.

    A0A315-1 [UniParc]FASTAAdd to Basket

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    MTAILERRES ESLWGRFCNW ITSTENRLYI GWFGVLMIPT LLTATSVFII    50
    AFIAAPPVDI DGIREPVSGS LLYGNNIISG AIIPTSAAIG LHFYPIWEAA 100
    SVDEWLYNGG PYELIVLHFL LGVACYMGRE WELSFRLGMR PWIAVAYSAP 150
    VAAATAVFLI YPIGQGSFSD GMPLGISGTF NFMIVFQAEH NILMHPFHML 200
    GVAGVFGGSL FSAMHGSLVT SSLIRETTEN ESANAGYRFG QEEETYNIVA 250
    AHGYFGRLIF QYASFNNSRS LHFFLAAWPV VGIWFTSLGI STMAFNLNGF 300
    NFNQSVVDSQ GRVINTWADI INRANLGMEV MHERNAHNFP LDLAAIDAPS 350
    VNG 353
    Length:353
    Mass (Da):38,893
    Last modified:November 14, 2006 - v1
    Checksum:iFED3E89CBEACACCE
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    EF044213 Genomic DNA. Translation: ABJ89659.1.
    RefSeqiYP_817462.1. NC_008535.1.

    Genome annotation databases

    GeneIDi4421839.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    EF044213 Genomic DNA. Translation: ABJ89659.1 .
    RefSeqi YP_817462.1. NC_008535.1.

    3D structure databases

    ProteinModelPortali A0A315.
    SMRi A0A315. Positions 10-344.
    ModBasei Search...
    MobiDBi Search...

    Proteomic databases

    PRIDEi A0A315.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    GeneIDi 4421839.

    Family and domain databases

    Gene3Di 1.20.85.10. 1 hit.
    HAMAPi MF_01379. PSII_PsbA_D1.
    InterProi IPR000484. Photo_RC_L/M.
    IPR005867. PSII_D1.
    [Graphical view ]
    Pfami PF00124. Photo_RC. 1 hit.
    [Graphical view ]
    PRINTSi PR00256. REACTNCENTRE.
    SUPFAMi SSF81483. SSF81483. 1 hit.
    TIGRFAMsi TIGR01151. psbA. 1 hit.
    PROSITEi PS00244. REACTION_CENTER. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "The complete nucleotide sequence of the coffee (Coffea arabica L.) chloroplast genome: organization and implications for biotechnology and phylogenetic relationships amongst angiosperms."
      Samson N., Bausher M.G., Lee S.-B., Jansen R.K., Daniell H.
      Plant Biotechnol. J. 5:339-353(2007) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

    Entry informationi

    Entry nameiPSBA_COFAR
    AccessioniPrimary (citable) accession number: A0A315
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: June 10, 2008
    Last sequence update: November 14, 2006
    Last modified: October 1, 2014
    This is version 46 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programPlant Protein Annotation Program

    Miscellaneousi

    Miscellaneous

    Herbicides such as atrazine, BNT, diuron or ioxynil bind to Q(B) and block electron transport.UniRule annotation

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3