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Q08304

- PPOB_SOLLC

UniProt

Q08304 - PPOB_SOLLC

Protein

Polyphenol oxidase B, chloroplastic

Gene
N/A
Organism
Solanum lycopersicum (Tomato) (Lycopersicon esculentum)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 78 (01 Oct 2014)
      Sequence version 1 (01 Nov 1995)
      Previous versions | rss
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    Functioni

    Catalyzes the oxidation of mono- and o-diphenols to o-diquinones.

    Catalytic activityi

    2 catechol + O2 = 2 1,2-benzoquinone + 2 H2O.

    Cofactori

    Binds 2 copper ions per subunit.By similarity

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi181 – 1811Copper ABy similarity
    Metal bindingi199 – 1991Copper ABy similarity
    Metal bindingi208 – 2081Copper ABy similarity
    Metal bindingi329 – 3291Copper BBy similarity
    Metal bindingi333 – 3331Copper BBy similarity
    Metal bindingi371 – 3711Copper BBy similarity

    GO - Molecular functioni

    1. catechol oxidase activity Source: UniProtKB-EC
    2. metal ion binding Source: UniProtKB-KW

    GO - Biological processi

    1. pigment biosynthetic process Source: InterPro

    Keywords - Molecular functioni

    Oxidoreductase

    Keywords - Ligandi

    Copper, Metal-binding

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Polyphenol oxidase B, chloroplastic (EC:1.10.3.1)
    Short name:
    PPO
    Alternative name(s):
    Catechol oxidase
    OrganismiSolanum lycopersicum (Tomato) (Lycopersicon esculentum)
    Taxonomic identifieri4081 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeSolanoideaeSolaneaeSolanumLycopersicon
    ProteomesiUP000004994: Unplaced

    Subcellular locationi

    GO - Cellular componenti

    1. chloroplast thylakoid lumen Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Chloroplast, Plastid, Thylakoid

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transit peptidei1 – 8787ChloroplastBy similarityAdd
    BLAST
    Chaini88 – 596509Polyphenol oxidase B, chloroplasticPRO_0000035911Add
    BLAST

    Amino acid modifications

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Disulfide bondi98 ↔ 114By similarity
    Disulfide bondi113 ↔ 182By similarity
    Cross-linki185 ↔ 1992'-(S-cysteinyl)-histidine (Cys-His)By similarity

    Keywords - PTMi

    Disulfide bond, Thioether bond

    Structurei

    3D structure databases

    ProteinModelPortaliQ08304.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the tyrosinase family.Curated

    Keywords - Domaini

    Transit peptide

    Family and domain databases

    Gene3Di1.10.1280.10. 1 hit.
    InterProiIPR016213. Polyphenol_oxidase.
    IPR022740. Polyphenol_oxidase_C.
    IPR022739. Polyphenol_oxidase_cen.
    IPR002227. Tyrosinase_Cu-bd.
    IPR008922. Unchr_di-copper_centre.
    [Graphical view]
    PfamiPF12142. PPO1_DWL. 1 hit.
    PF12143. PPO1_KFDV. 1 hit.
    PF00264. Tyrosinase. 1 hit.
    [Graphical view]
    PIRSFiPIRSF000290. PPO_plant. 1 hit.
    PRINTSiPR00092. TYROSINASE.
    SUPFAMiSSF48056. SSF48056. 1 hit.
    PROSITEiPS00497. TYROSINASE_1. 1 hit.
    PS00498. TYROSINASE_2. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

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

    Q08304-1 [UniParc]FASTAAdd to Basket

    « Hide

    MASVVCNSSS STTTTTLKTP FTSLGSTPKP SQLFLHGKRN KTFKVSCKVI    50
    NNNGNQDETN SVDRRNVLLG LGGLYGVANA IPLAASATPI PSPDLKTCGR 100
    ATISDGPLVP YSCCPPPMPT NFDTIPYYKF PSMTKLRIRT PAHAVDEEYI 150
    AKYNLAISRM RDLDKTEPLN PLGFKQQANI HCAYCNGAYI IGGKELQVHN 200
    SWLFFPFHRW YLYFYERILG KLIDDPTFAL PYWNWDHPKG MRLPPMFDRE 250
    GSSLYDERRN QQVRNGTVLD LGSFGDKVET TQLQLMSNNL TLMYRQMVTN 300
    APCPLLFFGA PYVLGNNVEA PGTIETIPHI PVHIWAGTVR GSKFPNGDVS 350
    YGEDMGNFYS AGLDPVFYCH HGNVDRMWNE WKAIGGKRRD ISEKDWLNSE 400
    FFFYDEHKNP YRVKVRDCLD TKKMGYDYAP MPTPWRNFKP KSKASVGKVN 450
    TSTLPPANEV FPLAKMDKTI SFAINRPASS RTQQEKNEQE EMLTFNNIRY 500
    DNRGYIRFDV FLNVDNNVNA NELDKAEFAG SYTSLPHVHR AGENDHIAKV 550
    NFQLAITELL EDIGLEDEDT IAVTLVPKKG GEGISIENVE IKLVDC 596
    Length:596
    Mass (Da):67,227
    Last modified:November 1, 1995 - v1
    Checksum:iBD8553F7972FC7E8
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    Z12834 Genomic DNA. Translation: CAA78296.1.
    PIRiS33540.
    RefSeqiXP_004246032.1. XM_004245984.1.

    Genome annotation databases

    GeneIDi101258774.
    KEGGisly:101258774.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    Z12834 Genomic DNA. Translation: CAA78296.1 .
    PIRi S33540.
    RefSeqi XP_004246032.1. XM_004245984.1.

    3D structure databases

    ProteinModelPortali Q08304.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    GeneIDi 101258774.
    KEGGi sly:101258774.

    Family and domain databases

    Gene3Di 1.10.1280.10. 1 hit.
    InterProi IPR016213. Polyphenol_oxidase.
    IPR022740. Polyphenol_oxidase_C.
    IPR022739. Polyphenol_oxidase_cen.
    IPR002227. Tyrosinase_Cu-bd.
    IPR008922. Unchr_di-copper_centre.
    [Graphical view ]
    Pfami PF12142. PPO1_DWL. 1 hit.
    PF12143. PPO1_KFDV. 1 hit.
    PF00264. Tyrosinase. 1 hit.
    [Graphical view ]
    PIRSFi PIRSF000290. PPO_plant. 1 hit.
    PRINTSi PR00092. TYROSINASE.
    SUPFAMi SSF48056. SSF48056. 1 hit.
    PROSITEi PS00497. TYROSINASE_1. 1 hit.
    PS00498. TYROSINASE_2. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
      Strain: cv. VFNT Cherry.

    Entry informationi

    Entry nameiPPOB_SOLLC
    AccessioniPrimary (citable) accession number: Q08304
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: November 1, 1995
    Last sequence update: November 1, 1995
    Last modified: October 1, 2014
    This is version 78 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programPlant Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3