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Q06355

- PPOB_SOLTU

UniProt

Q06355 - PPOB_SOLTU

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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

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
Complete GO annotation...

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 Source: UniProtKB-KW
  2. thylakoid Source: UniProtKB-KW
Complete GO annotation...

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

        10         20         30         40         50
SSSSTTTIPL CTNKSLSSSF TTNNSSFLSK PSQLFLHGRR NQSFKVSCNA
60 70 80 90 100
NNNVGEHDKN LDTVDRRNVL LGLGGLYGAA NLAPLASASP IPPPDLKSCG
110 120 130 140 150
VAHVTEGVDV TYSCCPPVPD DIDSVPYYKF PPMTKLRIRP PAHAADEEYV
160 170 180 190 200
AKYQLATSRM RELDKDSFDP LGFKQQANIH CAYCNGAYKV GGKELQVHFS
210 220 230 240 250
WLFFPFHRWY LYFYERILGS LINDPTFALP YWNWDHPKGM RIPPMFDREG
260 270 280 290 300
SSLYDDKRNQ NHRNGTIIDL GHFGQEVDTP QLQIMTNNLT LMYRQMVTNA
310 320 330 340 350
PCPSQFFGAA YPLGTEPSPG MGTIENIPHT PVHIWTGDSP RQKNGENMGN
360 370 380 390 400
FYSAGLDPIF YCHHANVDRM WDEWKLIGGK RRDLSNKDWL NSEFFFYDEN
410 420 430 440 450
RNPYRVKVRD CLDSKKMGFS YAPMPTPWRN FKPIRKTTAG KVNTASIAPV
460 470 480 490 500
TKVFPLAKLD RAISFSITRP ASSRTTQEKN EQEEILTFNK VAYDDTKYVR
510 520 530 540 550
FDVFLNVDKT VNADELDKAE FAGSYTSLPH VHGNNTNHVT SVTFKLAITE
560 570 580
LLEDNGLEDE DTIAVTLVPK VGGEGVSIES VEIKLEDC
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 29, 2014
This is version 75 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