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- Multicopper_oxidase abstract "In molecular biology, multicopper oxidases are enzymes which oxidise their substrate by accepting electrons at a mononuclear copper centre and transferring them to a trinuclear copper centre; dioxygen binds to the trinuclear centre and, following the transfer of four electrons, is reduced to two molecules of water. There are three spectroscopically different copper centres found in multicopper oxidases: type 1 (or blue), type 2 (or normal) and type 3 (or coupled binuclear). Multicopper oxidases consist of 2, 3 or 6 of these homologous domains, which also share homology to the cupredoxins azurin and plastocyanin. Structurally, these domains consist of a cupredoxin-like fold, a beta-sandwich consisting of 7 strands in 2 beta-sheets, arranged in a Greek-key beta-barrel. Multicopper oxidases include:Ceruloplasmin EC 1.16.3.1 (ferroxidase), a 6-domain enzyme found in the serum of mammals and birds that oxidizes different inorganic and organic substances; exhibits internal sequence homology that appears to have evolved from the triplication of a Cu-binding domain similar to that of laccase and ascorbate oxidase.Laccase EC 1.10.3.2 (urishiol oxidase), a 3-domain enzyme found in fungi and plants, which oxidizes different phenols and diamines. CueO is a laccase found in Escherichia coli that is involved in copper-resistance.Ascorbate oxidase EC 1.10.3.3, a 3-domain enzyme found in higher plants.Nitrite reductase EC 1.7.2.1, a 2-domain enzyme containing type-1 and type-2 copper centres.In addition to the above enzymes there are a number of other proteins that are similar to the multi-copper oxidases in terms of structure and sequence, some of which have lost the ability to bind copper. These include: copper resistance protein A (copA) from a plasmid in Pseudomonas syringae; domain A of (non-copper binding) blood coagulation factors V (Fa V) and VIII (Fa VIII); yeast FET3 required for ferrous iron uptake; yeast hypothetical protein YFL041w; and the fission yeast homologue SpAC1F7.08.".
- Multicopper_oxidase symbol "Cu-oxidase".
- Multicopper_oxidase symbol "Cu-oxidase_2".
- Multicopper_oxidase symbol "Cu-oxidase_3".
- Multicopper_oxidase symbol "Cu-oxidase_4".
- Multicopper_oxidase thumbnail PDB_2fqg_EBI.jpg?width=300.
- Multicopper_oxidase wikiPageID "32550381".
- Multicopper_oxidase wikiPageRevisionID "592599328".
- Multicopper_oxidase caption "active laccase from trametes versicolor complexed with 2,5-xylidine".
- Multicopper_oxidase caption "crystal structure of protein cc_0490 from caulobacter crescentus, pfam duf152".
- Multicopper_oxidase caption "crystal structures of e. coli laccase cueo under different copper binding situations".
- Multicopper_oxidase hasPhotoCollection Multicopper_oxidase.
- Multicopper_oxidase interpro "IPR001117".
- Multicopper_oxidase interpro "IPR003730".
- Multicopper_oxidase interpro "IPR011706".
- Multicopper_oxidase interpro "IPR011707".
- Multicopper_oxidase name "CMulti-copper polyphenol oxidoreductase laccase".
- Multicopper_oxidase name "Multicopper oxidase".
- Multicopper_oxidase pfam "PF00394".
- Multicopper_oxidase pfam "PF02578".
- Multicopper_oxidase pfam "PF07731".
- Multicopper_oxidase pfam "PF07732".
- Multicopper_oxidase pfamClan "CL0026".
- Multicopper_oxidase prosite "PDOC00076".
- Multicopper_oxidase scop "1".
- Multicopper_oxidase symbol "Cu-oxidase".
- Multicopper_oxidase symbol "Cu-oxidase_2".
- Multicopper_oxidase symbol "Cu-oxidase_3".
- Multicopper_oxidase symbol "Cu-oxidase_4".
- Multicopper_oxidase subject Category:Protein_domains.
- Multicopper_oxidase type Abstraction100002137.
- Multicopper_oxidase type Attribute100024264.
- Multicopper_oxidase type Environment113934596.
- Multicopper_oxidase type ProteinDomains.
- Multicopper_oxidase type Situation113927383.
- Multicopper_oxidase type Sphere114514039.
- Multicopper_oxidase type State100024720.
- Multicopper_oxidase type Biomolecule.
- Multicopper_oxidase type Protein.
- Multicopper_oxidase type BiologicalObject.
- Multicopper_oxidase comment "In molecular biology, multicopper oxidases are enzymes which oxidise their substrate by accepting electrons at a mononuclear copper centre and transferring them to a trinuclear copper centre; dioxygen binds to the trinuclear centre and, following the transfer of four electrons, is reduced to two molecules of water. There are three spectroscopically different copper centres found in multicopper oxidases: type 1 (or blue), type 2 (or normal) and type 3 (or coupled binuclear).".
- Multicopper_oxidase label "Multicopper oxidase".
- Multicopper_oxidase sameAs m.0h1gxh8.
- Multicopper_oxidase sameAs Q6934614.
- Multicopper_oxidase sameAs Q6934614.
- Multicopper_oxidase sameAs Multicopper_oxidase.
- Multicopper_oxidase wasDerivedFrom Multicopper_oxidase?oldid=592599328.
- Multicopper_oxidase depiction PDB_2fqg_EBI.jpg.
- Multicopper_oxidase isPrimaryTopicOf Multicopper_oxidase.