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Q55544

- APCE_SYNY3

UniProt

Q55544 - APCE_SYNY3

Protein

Phycobiliprotein ApcE

Gene

apcE

Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at protein leveli
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    • History
      Entry version 95 (01 Oct 2014)
      Sequence version 1 (01 Nov 1996)
      Previous versions | rss
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    Functioni

    This protein is postulated to act both as terminal energy acceptor (by its phycobilin-like domains) and as a linker polypeptide (by its repeats and arms) that stabilizes the phycobilisome core architecture. Has intrinsic bilin lyase activity By similarity.By similarity

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Binding sitei190 – 1901Phycocyanobilin chromophore (covalent; via 1 link)By similarity

    GO - Molecular functioni

    1. lyase activity Source: UniProtKB-KW
    2. protein binding Source: IntAct

    GO - Biological processi

    1. oxidation-reduction process Source: UniProtKB-KW
    2. photosynthesis Source: UniProtKB-KW
    3. protein-chromophore linkage Source: UniProtKB-KW

    Keywords - Molecular functioni

    Lyase

    Keywords - Biological processi

    Electron transport, Photosynthesis, Transport

    Keywords - Ligandi

    Bile pigment, Chromophore

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Phycobiliprotein ApcE (EC:4.-.-.-)
    Alternative name(s):
    Phycobilisome LCM core-membrane linker polypeptide
    Phycobilisome core-membrane linker phycobiliprotein ApcE
    Gene namesi
    Name:apcE
    Ordered Locus Names:slr0335
    OrganismiSynechocystis sp. (strain PCC 6803 / Kazusa)
    Taxonomic identifieri1111708 [NCBI]
    Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechocystis
    ProteomesiUP000001425: Chromosome

    Subcellular locationi

    Cellular thylakoid membrane By similarity; Peripheral membrane protein By similarity; Cytoplasmic side By similarity
    Note: Anchors the phycobilisome perpendicularly to the cytoplasmic surface of the thylakoid membrane.By similarity

    GO - Cellular componenti

    1. phycobilisome Source: UniProtKB-KW

    Keywords - Cellular componenti

    Membrane, Phycobilisome, Thylakoid

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 896896Phycobiliprotein ApcEPRO_0000403185Add
    BLAST

    Post-translational modificationi

    Contains one covalently linked bilin chromophore. This protein autochromophorylates By similarity.By similarity

    Proteomic databases

    PaxDbiQ55544.

    Interactioni

    Subunit structurei

    Heterodimer of ApcF (a variant beta-allophycocyanin). Phycobilisomes of this organism are composed of a two cylinder core, from which six rods radiate. The core is mainly composed of allophycocyanin alpha and beta chains and of minor components By similarity.By similarity

    Binary interactionsi

    WithEntry#Exp.IntActNotes
    trxAP522314EBI-862826,EBI-862916

    Protein-protein interaction databases

    IntActiQ55544. 7 interactions.
    STRINGi1148.slr0335.

    Structurei

    Secondary structure

    1
    896
    Legend: HelixTurnBeta strand
    Show more details
    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Turni255 – 2573
    Helixi275 – 29016
    Helixi296 – 2983
    Helixi300 – 31011
    Helixi316 – 32510
    Helixi327 – 3337
    Turni334 – 3363
    Helixi339 – 35113
    Helixi358 – 38225
    Helixi384 – 3896
    Turni390 – 3934
    Helixi732 – 74716
    Helixi753 – 7597
    Helixi761 – 7688
    Helixi774 – 7829
    Helixi785 – 7917
    Beta strandi793 – 7953
    Helixi797 – 80812
    Beta strandi809 – 8113
    Helixi816 – 82914
    Helixi831 – 8399
    Helixi842 – 8476
    Beta strandi850 – 8523

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    2L06NMR-A254-401[»]
    3OHWX-ray2.70A/B711-858[»]
    3OSJX-ray2.30A/B/C/D254-400[»]
    ProteinModelPortaliQ55544.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiQ55544.

    Family & Domainsi

    Domains and Repeats

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Domaini247 – 427181PBS-linker 1PROSITE-ProRule annotationAdd
    BLAST
    Domaini508 – 684177PBS-linker 2PROSITE-ProRule annotationAdd
    BLAST
    Domaini703 – 881179PBS-linker 3PROSITE-ProRule annotationAdd
    BLAST

    Sequence similaritiesi

    Belongs to the phycobilisome linker protein family.PROSITE-ProRule annotation
    Contains 3 PBS-linker domains.PROSITE-ProRule annotation

    Keywords - Domaini

    Repeat

    Phylogenomic databases

    eggNOGiNOG10800.
    HOGENOMiHOG000276791.
    KOiK02096.
    OMAiQIFERDI.
    OrthoDBiEOG6Q5NPN.
    PhylomeDBiQ55544.

    Family and domain databases

    Gene3Di1.10.490.20. 2 hits.
    InterProiIPR009050. Globin-like.
    IPR001297. PBS_linker_dom.
    IPR012128. Phycobilisome_asu/bsu.
    [Graphical view]
    PfamiPF00427. PBS_linker_poly. 3 hits.
    PF00502. Phycobilisome. 2 hits.
    [Graphical view]
    ProDomiPD000852. PBS_linker_poly. 3 hits.
    [Graphical view] [Entries sharing at least one domain]
    SUPFAMiSSF46458. SSF46458. 2 hits.
    PROSITEiPS51445. PBS_LINKER. 3 hits.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Q55544-1 [UniParc]FASTAAdd to Basket

    « Hide

    MSVKASGGSS LARPQLYQTV PVSAISQAEQ QDRFLEGSEL NELTAYFQSG    50
    ALRLEIAETL TQNADLIVSR AANRIFTGGS PLSYLEKPVE RQPALVGASS 100
    DSRNGSVTYA ESNGSGGLFG GLRSVFSSTG PIPPGFRPIN IARYGPSNMQ 150
    KSLRDMSWFL RYTTYAIVAG DPNIIVVNTR GLKEVIENAC SIDATIVAIQ 200
    EMRAASADYF RNNAQAKEIV LQYFDILLSE FKAPTPANKV RQGPSNDIQG 250
    LELPQSYFNA AAKRQKYAMK PGLSALEKNA VIKAAYRQIF ERDITKAYSQ 300
    SISYLESQVR NGDISMKEFV RRLAKSPLYR KQFFEPFINS RALELAFRHI 350
    LGRGPSSREE VQKYFSIVSS GGLPALVDAL VDSQEYADYF GEETVPYLRG 400
    LGVEAQECRN WGMQQDLFSY SAPFRKVPQF ITTFAQYDRP LPDQHVYGSG 450
    NDPLEIQFGA IFPKETRNPS KRPAPFNKDT KRILIHRGPA VNNQVGNPSA 500
    VGEFPGSLGA KVFRLNGGLP GAKVGKNTGT SVKFGESSTQ ALIRAAYRQV 550
    FGRDLYEGQR LSVAEIQLEN GDISVREFIK RLAKSELFLK LYWAPHYVCK 600
    AIEYMHRRLL GRPTYGRQEM NQYFDIASKQ GFYAVVEAMI DSKEYSDAFG 650
    EDTVPYERYL TPGGLQMRSA RVGSLREDIG QRVDKEVTPR FVELGQVSAI 700
    RTEPEIAYRS NQGVTRQRQQ TKVFKLVSTY DKVAVKNAIR AAYRQVFERD 750
    LEPYIINSEF TALESKLSNN EINVKEFIEG LGTSELYMKE FYAPYPNTKV 800
    IEMGTKHFLG RAPLNQKEIQ QYNQILASQG LKAFIGAMVN GMEYLQTFGE 850
    DTVPYRRFPT LPAANFPNTE RLYNKLTKQD KELVVPSFTP VVKVGG 896
    Length:896
    Mass (Da):100,296
    Last modified:November 1, 1996 - v1
    Checksum:i05D4358C5F0BCD8C
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    BA000022 Genomic DNA. Translation: BAA10042.1.
    PIRiS76064.
    RefSeqiNP_441972.1. NC_000911.1.
    YP_005652032.1. NC_017277.1.
    YP_007451852.1. NC_020286.1.

    Genome annotation databases

    EnsemblBacteriaiBAA10042; BAA10042; BAA10042.
    GeneIDi954931.
    KEGGisyn:slr0335.
    syy:SYNGTS_2079.
    syz:MYO_120990.
    PATRICi23841504. VBISynSp132158_2300.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    BA000022 Genomic DNA. Translation: BAA10042.1 .
    PIRi S76064.
    RefSeqi NP_441972.1. NC_000911.1.
    YP_005652032.1. NC_017277.1.
    YP_007451852.1. NC_020286.1.

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    Entry Method Resolution (Å) Chain Positions PDBsum
    2L06 NMR - A 254-401 [» ]
    3OHW X-ray 2.70 A/B 711-858 [» ]
    3OSJ X-ray 2.30 A/B/C/D 254-400 [» ]
    ProteinModelPortali Q55544.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    IntActi Q55544. 7 interactions.
    STRINGi 1148.slr0335.

    Proteomic databases

    PaxDbi Q55544.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai BAA10042 ; BAA10042 ; BAA10042 .
    GeneIDi 954931.
    KEGGi syn:slr0335.
    syy:SYNGTS_2079.
    syz:MYO_120990.
    PATRICi 23841504. VBISynSp132158_2300.

    Phylogenomic databases

    eggNOGi NOG10800.
    HOGENOMi HOG000276791.
    KOi K02096.
    OMAi QIFERDI.
    OrthoDBi EOG6Q5NPN.
    PhylomeDBi Q55544.

    Miscellaneous databases

    EvolutionaryTracei Q55544.

    Family and domain databases

    Gene3Di 1.10.490.20. 2 hits.
    InterProi IPR009050. Globin-like.
    IPR001297. PBS_linker_dom.
    IPR012128. Phycobilisome_asu/bsu.
    [Graphical view ]
    Pfami PF00427. PBS_linker_poly. 3 hits.
    PF00502. Phycobilisome. 2 hits.
    [Graphical view ]
    ProDomi PD000852. PBS_linker_poly. 3 hits.
    [Graphical view ] [Entries sharing at least one domain ]
    SUPFAMi SSF46458. SSF46458. 2 hits.
    PROSITEi PS51445. PBS_LINKER. 3 hits.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. II. Sequence determination of the entire genome and assignment of potential protein-coding regions."
      Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y., Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T., Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.
      , Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.
      DNA Res. 3:109-136(1996) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: PCC 6803 / Kazusa.

    Entry informationi

    Entry nameiAPCE_SYNY3
    AccessioniPrimary (citable) accession number: Q55544
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: January 11, 2011
    Last sequence update: November 1, 1996
    Last modified: October 1, 2014
    This is version 95 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    3D-structure, Complete proteome, Reference proteome

    Documents

    1. PDB cross-references
      Index of Protein Data Bank (PDB) cross-references
    2. SIMILARITY comments
      Index of protein domains and families
    3. Synechocystis PCC 6803
      Synechocystis (strain PCC 6803): entries and gene names

    External Data

    Dasty 3