Prosolanapyrone-III cycloisomerase

Prosolanapyrone-III cycloisomerase (EC 5.5.1.20, Sol5, SPS, solanapyrone synthase (bifunctional enzyme: prosolanapyrone II oxidase/prosolanapyrone III cyclosiomerase)) is an enzyme with systematic name prosolanapyrone-III:(-)-solanapyrone A isomerase.^[1][2][3] This enzyme catalyses the following chemical reaction

prosolanapyrone III ${\displaystyle \rightleftharpoons }$ (-)-solanapyrone A

Prosolanapyrone-III cycloisomerase
Identifiers
EC no.	5.5.1.20
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
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The enzyme is involved in the biosynthesis of the phytotoxin solanapyrone in some fungi.