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{{Infobox enzyme
| Name = Prosolanapyrone-II oxidase
| EC_number = 1.1.3.42
| CAS_number = 
| IUBMB_EC_number = 1/1/3/42
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Prosolanapyrone-II oxidase''' ({{EC number|1.1.3.42}}, ''Sol5'', ''SPS'', ''solanapyrone synthase (bifunctional enzyme: prosolanapyrone II oxidase/prosolanapyrone III cycloisomerase)'', ''prosolanapyrone II oxidase'') is an [[enzyme]] with system name ''prosolanapyrone-II:oxygen 3'-oxidoreductase''.<ref>{{cite journal | title = Solanapyrone synthase, a possible Diels-Alderase and iterative type I polyketide synthase encoded in a biosynthetic gene cluster from <em>Alternaria solani</em> |author = Kasahara, K., Miyamoto, T., Fujimoto, T., Oguri, H., Tokiwano, T., Oikawa, H., Ebizuka, Y. and Fujii, I. |journal = Chembiochem. |year = 2010 |volume = 11 |pages = 1245–1252 |pmid = 20486243 |doi=10.1002/cbic.201000173 |issue=9}}</ref><ref>{{cite journal | title = Enzymatic activity and partial purification of solanapyrone synthase: first enzyme catalyzing Diels-Alder reaction |author = Katayama, K., Kobayashi, T., Oikawa, H., Honma, M. and Ichihara, A. |journal = Biochim. Biophys. Acta |year = 1998 |volume = 1384 |pages = 387–395 |pmid = 9659400 |issue=2}}</ref><ref>{{cite journal | title = Purification and N-terminal amino acid sequence of solanapyrone synthase, a natural Diels-Alderase from <em>Alternaria solani</em> |author = Katayama, K., Kobayashi, T., Chijimatsu, M., Ichihara, A. and Oikawa, H. |journal = Biosci. Biotechnol. Biochem. |year = 2008 |volume = 72 |pages = 604–607 |pmid = 18256508 |issue=2}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: prosolanapyrone II + O<sub>2</sub> <math>\rightleftharpoons</math> prosolanapyrone III + H<sub>2</sub>O<sub>2</sub>

This enzyme participates in the biosynthesis of the [[phytotoxin]] [[solanapyrone]] by some [[fungi]].

== References ==
{{reflist}}

== External links ==
* {{MeshName|Prosolanapyrone-II+oxidase}}

[[Category:EC 1.1.3]]