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Q06355

- PPOB_SOLTU

UniProt

Q06355 - PPOB_SOLTU

Protein

Catechol oxidase B, chloroplastic

Gene
N/A
Organism
Solanum tuberosum (Potato)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at transcript leveli
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    • History
      Entry version 74 (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 bindingi180 – 1801Copper ABy similarity
    Metal bindingi198 – 1981Copper ABy similarity
    Metal bindingi207 – 2071Copper ABy similarity
    Metal bindingi329 – 3291Copper BBy similarity
    Metal bindingi333 – 3331Copper BBy similarity
    Metal bindingi364 – 3641Copper 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:
    Catechol oxidase B, chloroplastic (EC:1.10.3.1)
    Alternative name(s):
    Polyphenol oxidase
    Short name:
    PPO
    OrganismiSolanum tuberosum (Potato)
    Taxonomic identifieri4113 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeSolanoideaeSolaneaeSolanum
    ProteomesiUP000011115: 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 peptidei‹1 – 88›88ChloroplastSequence AnalysisAdd
    BLAST
    Chaini89 – 588500Catechol oxidase B, chloroplasticPRO_0000035917Add
    BLAST

    Amino acid modifications

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Disulfide bondi99 ↔ 115By similarity
    Disulfide bondi114 ↔ 181By similarity
    Cross-linki184 ↔ 1982'-(S-cysteinyl)-histidine (Cys-His)By similarity

    Keywords - PTMi

    Disulfide bond, Thioether bond

    Structurei

    3D structure databases

    ProteinModelPortaliQ06355.
    SMRiQ06355. Positions 89-429.
    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: Fragment.

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

    Q06355-1 [UniParc]FASTAAdd to Basket

    « Hide

    SSSSTTTIPL CTNKSLSSSF TTNNSSFLSK PSQLFLHGRR NQSFKVSCNA    50
    NNNVGEHDKN LDTVDRRNVL LGLGGLYGAA NLAPLASASP IPPPDLKSCG 100
    VAHVTEGVDV TYSCCPPVPD DIDSVPYYKF PPMTKLRIRP PAHAADEEYV 150
    AKYQLATSRM RELDKDSFDP LGFKQQANIH CAYCNGAYKV GGKELQVHFS 200
    WLFFPFHRWY LYFYERILGS LINDPTFALP YWNWDHPKGM RIPPMFDREG 250
    SSLYDDKRNQ NHRNGTIIDL GHFGQEVDTP QLQIMTNNLT LMYRQMVTNA 300
    PCPSQFFGAA YPLGTEPSPG MGTIENIPHT PVHIWTGDSP RQKNGENMGN 350
    FYSAGLDPIF YCHHANVDRM WDEWKLIGGK RRDLSNKDWL NSEFFFYDEN 400
    RNPYRVKVRD CLDSKKMGFS YAPMPTPWRN FKPIRKTTAG KVNTASIAPV 450
    TKVFPLAKLD RAISFSITRP ASSRTTQEKN EQEEILTFNK VAYDDTKYVR 500
    FDVFLNVDKT VNADELDKAE FAGSYTSLPH VHGNNTNHVT SVTFKLAITE 550
    LLEDNGLEDE DTIAVTLVPK VGGEGVSIES VEIKLEDC 588
    Length:588
    Mass (Da):66,241
    Last modified:November 1, 1995 - v1
    Checksum:iA7E25383273428CC
    GO

    Experimental Info

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Non-terminal residuei1 – 11

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    M95197 mRNA. Translation: AAA02879.1.
    PIRiS30929.
    UniGeneiStu.266.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    M95197 mRNA. Translation: AAA02879.1 .
    PIRi S30929.
    UniGenei Stu.266.

    3D structure databases

    ProteinModelPortali Q06355.
    SMRi Q06355. Positions 89-429.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    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. "cDNA cloning and expression of potato polyphenol oxidase."
      Hunt M.D., Eannetta N.T., Yu H., Newman S.M., Steffens J.C.
      Plant Mol. Biol. 21:59-68(1993) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [MRNA].
      Strain: cv. Katahdin.
      Tissue: Leaf.

    Entry informationi

    Entry nameiPPOB_SOLTU
    AccessioniPrimary (citable) accession number: Q06355
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: November 1, 1995
    Last sequence update: November 1, 1995
    Last modified: October 1, 2014
    This is version 74 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