Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.

Q08304

- PPOB_SOLLC

UniProt

Q08304 - PPOB_SOLLC

(max 400 entries)x

Your basket is currently empty.

Select item(s) and click on "Add to basket" to create your own collection here
(400 entries max)

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

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
Complete GO annotation...

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 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 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

        10         20         30         40         50
MASVVCNSSS STTTTTLKTP FTSLGSTPKP SQLFLHGKRN KTFKVSCKVI
60 70 80 90 100
NNNGNQDETN SVDRRNVLLG LGGLYGVANA IPLAASATPI PSPDLKTCGR
110 120 130 140 150
ATISDGPLVP YSCCPPPMPT NFDTIPYYKF PSMTKLRIRT PAHAVDEEYI
160 170 180 190 200
AKYNLAISRM RDLDKTEPLN PLGFKQQANI HCAYCNGAYI IGGKELQVHN
210 220 230 240 250
SWLFFPFHRW YLYFYERILG KLIDDPTFAL PYWNWDHPKG MRLPPMFDRE
260 270 280 290 300
GSSLYDERRN QQVRNGTVLD LGSFGDKVET TQLQLMSNNL TLMYRQMVTN
310 320 330 340 350
APCPLLFFGA PYVLGNNVEA PGTIETIPHI PVHIWAGTVR GSKFPNGDVS
360 370 380 390 400
YGEDMGNFYS AGLDPVFYCH HGNVDRMWNE WKAIGGKRRD ISEKDWLNSE
410 420 430 440 450
FFFYDEHKNP YRVKVRDCLD TKKMGYDYAP MPTPWRNFKP KSKASVGKVN
460 470 480 490 500
TSTLPPANEV FPLAKMDKTI SFAINRPASS RTQQEKNEQE EMLTFNNIRY
510 520 530 540 550
DNRGYIRFDV FLNVDNNVNA NELDKAEFAG SYTSLPHVHR AGENDHIAKV
560 570 580 590
NFQLAITELL EDIGLEDEDT IAVTLVPKKG GEGISIENVE IKLVDC
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 29, 2014
This is version 79 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