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A1E9Q9

- PSBD_SORBI

UniProt

A1E9Q9 - PSBD_SORBI

Protein

Photosystem II D2 protein

Gene

psbD

Organism
Sorghum bicolor (Sorghum) (Sorghum vulgare)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 50 (01 Oct 2014)
      Sequence version 1 (23 Jan 2007)
      Previous versions | rss
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    Functioni

    One of the two reaction center proteins of photosystem II (PSII), D2 is needed for assembly of a stable PSII complex.UniRule annotation

    Catalytic activityi

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

    Cofactori

    The psbA/B heterodimer shares a non-heme iron and each subunit also binds two chlorophylls and pheophytin.By similarity

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi118 – 1181Magnesium (chlorophyll-a D2, axial ligand; peripheral)UniRule annotation
    Metal bindingi215 – 2151Iron; shared with heterodimeric partnerUniRule annotation
    Binding sitei215 – 2151Plastoquinone QAUniRule annotation
    Binding sitei262 – 2621Plastoquinone QA; via amide nitrogenUniRule annotation
    Metal bindingi269 – 2691Iron; shared with heterodimeric partnerUniRule 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

    Keywords - Molecular functioni

    Oxidoreductase

    Keywords - Biological processi

    Electron transport, Photosynthesis, Transport

    Keywords - Ligandi

    Iron, Metal-binding

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Photosystem II D2 proteinUniRule annotation (EC:1.10.3.9UniRule annotation)
    Short name:
    PSII D2 proteinUniRule annotation
    Alternative name(s):
    Photosystem Q(A) proteinUniRule annotation
    Gene namesi
    Name:psbDUniRule annotation
    Encoded oniPlastid; Chloroplast
    OrganismiSorghum bicolor (Sorghum) (Sorghum vulgare)
    Taxonomic identifieri4558 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaePACMAD cladePanicoideaeAndropogoneaeSorghum
    ProteomesiUP000000768: Chloroplast

    Organism-specific databases

    GrameneiA1E9Q9.

    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 – 353353Photosystem II D2 proteinPRO_0000359696Add
    BLAST

    Amino acid modifications

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

    Keywords - PTMi

    Acetylation, Phosphoprotein

    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

    Protein-protein interaction databases

    STRINGi4558.Sb03g020188.1.

    Structurei

    3D structure databases

    ProteinModelPortaliA1E9Q9.
    SMRiA1E9Q9. Positions 1-351.
    ModBaseiSearch...
    MobiDBiSearch...

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei36 – 5621HelicalUniRule annotationAdd
    BLAST
    Transmembranei109 – 12921HelicalUniRule annotationAdd
    BLAST
    Transmembranei142 – 16423HelicalUniRule annotationAdd
    BLAST
    Transmembranei192 – 21827HelicalUniRule annotationAdd
    BLAST
    Transmembranei266 – 28621HelicalUniRule annotationAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

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

    Keywords - Domaini

    Transmembrane, Transmembrane helix

    Phylogenomic databases

    eggNOGiNOG05026.
    KOiK02706.

    Family and domain databases

    Gene3Di1.20.85.10. 2 hits.
    HAMAPiMF_01383. PSII_PsbD_D2.
    InterProiIPR000484. Photo_RC_L/M.
    IPR005868. PSII_PsbD/D2.
    [Graphical view]
    PfamiPF00124. Photo_RC. 1 hit.
    [Graphical view]
    PRINTSiPR00256. REACTNCENTRE.
    SUPFAMiSSF81483. SSF81483. 1 hit.
    TIGRFAMsiTIGR01152. psbD. 1 hit.
    PROSITEiPS00244. REACTION_CENTER. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    A1E9Q9-1 [UniParc]FASTAAdd to Basket

    « Hide

    MTIAVGRVTK EENDLFDIMD DWLRRDRFVF VGWSGLLLFP CAYFALGGWF    50
    TGTTFVTSWY THGLASSYLE GCNFLTAAVS TPANSLAHSL LLLWGPEAQG 100
    DFTRWCQLGG LWTFVALHGA FALIGFMLRQ FELARSVQLR PYNAISFSGP 150
    IAVFVSVFLI YPLGQSGWFF APSFGVAAIF RFILFFQGFH NWTLNPFHMM 200
    GVAGVLGAAL LCAIHGATVE NTLFEDGDGA NTFRAFNPTQ AEETYSMVTA 250
    NRFWSQIFGV AFSNKRWLHF FMLFVPVTGL WMSAIGVVGL ALNLRAYDFV 300
    SQEIRAAEDP EFETFYTKNI LLNEGIRAWM AAQDQPHENL IFPEEVLPRG 350
    NAL 353
    Length:353
    Mass (Da):39,559
    Last modified:January 23, 2007 - v1
    Checksum:i4D0045E7450E5AF4
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    EF115542 Genomic DNA. Translation: ABK79481.1.
    RefSeqiYP_899392.1. NC_008602.1.

    Genome annotation databases

    GeneIDi4549103.
    KEGGisbi:SobiCp007.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    EF115542 Genomic DNA. Translation: ABK79481.1 .
    RefSeqi YP_899392.1. NC_008602.1.

    3D structure databases

    ProteinModelPortali A1E9Q9.
    SMRi A1E9Q9. Positions 1-351.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 4558.Sb03g020188.1.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    GeneIDi 4549103.
    KEGGi sbi:SobiCp007.

    Organism-specific databases

    Gramenei A1E9Q9.

    Phylogenomic databases

    eggNOGi NOG05026.
    KOi K02706.

    Family and domain databases

    Gene3Di 1.20.85.10. 2 hits.
    HAMAPi MF_01383. PSII_PsbD_D2.
    InterProi IPR000484. Photo_RC_L/M.
    IPR005868. PSII_PsbD/D2.
    [Graphical view ]
    Pfami PF00124. Photo_RC. 1 hit.
    [Graphical view ]
    PRINTSi PR00256. REACTNCENTRE.
    SUPFAMi SSF81483. SSF81483. 1 hit.
    TIGRFAMsi TIGR01152. psbD. 1 hit.
    PROSITEi PS00244. REACTION_CENTER. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Complete chloroplast genome sequences of Hordeum vulgare, Sorghum bicolor and Agrostis stolonifera, and comparative analyses with other grass genomes."
      Saski C., Lee S.-B., Fjellheim S., Guda C., Jansen R.K., Luo H., Tomkins J., Rognli O.A., Daniell H., Clarke J.L.
      Theor. Appl. Genet. 115:571-590(2007) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: cv. BTx623.

    Entry informationi

    Entry nameiPSBD_SORBI
    AccessioniPrimary (citable) accession number: A1E9Q9
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: January 20, 2009
    Last sequence update: January 23, 2007
    Last modified: October 1, 2014
    This is version 50 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programPlant Protein Annotation Program

    Miscellaneousi

    Miscellaneous

    The peripheral chlorophyll-a D2 molecule has been identified as the spectroscopic species ChlzD2.UniRule annotation

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3