IED ID | IndEnz0016000131 |
Enzyme Type ID | tyrosinase000131 |
Protein Name |
Polyphenol oxidase, chloroplastic PPO EC 1.10.3.1 Catechol oxidase |
Gene Name | |
Organism | Spinacia oleracea (Spinach) |
Taxonomic Lineage | cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae eudicotyledons Gunneridae Pentapetalae Caryophyllales Chenopodiaceae Chenopodioideae Anserineae Spinacia Spinacia oleracea (Spinach) |
Enzyme Sequence | MATLSSPTIITTTSILLNNPFLPKTPQLSAHHHRGVRSVNGKVSCQTKNNNGNDENNQFQLIQNPNTNTPYLLDRRNILLGLGGMYAALGSEGANYYNTLAAPILPDVEKCTLSDALWDGSVGDHCCPPPFDLNITKDFEFKNYHNHVKKVRRPAHKAYEDQEWLNDYKRAIAIMKSLPMSDPRSHMQQARVHCAYCDGSYPVLGHNDTRLEVHASWLFPSFHRWYLYFYERILGKLINKPDFALPYWNWDHRDGMRIPEIFKEMDSPLFDPNRNTNHLDKMMNLSFVSDEEGSDVNEDDQYEENILLMRKAMVYPSVSDDPNKAELFLGSPYRAGDKMEGDVSGAGILERMPHNSVHVWTRSNTIKGNQDMGAFWSAGRDPLFYCHHSNVDRMWSLWTDVLHGGNFPKTPEYDDYRNAYFYFYDENANPVRVYVRDSFDTERLGYKYEDQELPWMSITQQQQQQQRQQQRQPLLGGRLKTRTFSLVKKVLTELKVMLPLPLKYSVIKTKVDRPKKSRTKEDKLEHEEVLVINFKLGKSKDFIKFDVYINDGTDYKPEDKTKINLEYAGSFTSLTHGGGGGGGDMSHMAEEDMGKNTVLKLALNQLLEDLDATDDDSIQVTIVPKSGTDSIVITGIDIE |
Enzyme Length | 639 |
Uniprot Accession Number | P43310 |
Absorption | |
Active Site | |
Activity Regulation | |
Binding Site | |
Calcium Binding | |
catalytic Activity | CATALYTIC ACTIVITY: Reaction=2 catechol + O2 = 2 1,2-benzoquinone + 2 H2O; Xref=Rhea:RHEA:21632, ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:17253, ChEBI:CHEBI:18135; EC=1.10.3.1; |
DNA Binding | |
EC Number | 1.10.3.1 |
Enzyme Function | FUNCTION: Catalyzes the oxidation of mono- and o-diphenols to o-diquinones. |
Temperature Dependency | |
PH Dependency | |
Pathway | |
nucleotide Binding | |
Features | Chain (1); Compositional bias (1); Cross-link (1); Disulfide bond (2); Metal binding (6); Region (1); Transit peptide (1) |
Keywords | Chloroplast;Copper;Disulfide bond;Metal-binding;Oxidoreductase;Plastid;Thioether bond;Thylakoid;Transit peptide |
Interact With | |
Induction | |
Subcellular Location | SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid lumen. |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | |
Structure 3D | |
Cross Reference PDB | - |
Mapped Pubmed ID | - |
Motif | |
Gene Encoded By | |
Mass | 73,237 |
Kinetics | |
Metal Binding | METAL 193; /note=Copper A; /evidence=ECO:0000250|UniProtKB:Q9ZP19; METAL 214; /note=Copper A; /evidence=ECO:0000250|UniProtKB:Q9ZP19; METAL 223; /note=Copper A; /evidence=ECO:0000250|UniProtKB:Q9ZP19; METAL 354; /note=Copper B; /evidence=ECO:0000250|UniProtKB:Q9ZP19; METAL 358; /note=Copper B; /evidence=ECO:0000250|UniProtKB:Q9ZP19; METAL 388; /note=Copper B; /evidence=ECO:0000250|UniProtKB:Q9ZP19 |
Rhea ID | RHEA:21632 |
Cross Reference Brenda |