Biology:Protoaphin-aglucone dehydratase (cyclizing)

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protoaphin-aglucone dehydratase (cyclizing)
Identifiers
EC number4.2.1.73
CAS number64177-87-3
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

The enzyme protoaphin-aglucone dehydratase (cyclizing) (EC 4.2.1.73) catalyzes the chemical reaction

protoaphin aglucone [math]\displaystyle{ \rightleftharpoons }[/math] xanthoaphin + H2O

This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is protoaphin-aglucone hydro-lyase (cyclizing; xanthoaphin-forming). Other names in common use include protoaphin dehydratase, protoaphin dehydratase (cyclizing), and protoaphin-aglucone hydro-lyase (cyclizing).

References

  • "Colouring matters of the Aphidoidea. XLII. Purification and properties of the cyclising enzyme [Protoaphin dehydratase (cyclising)] concerned with pigment transformation in the wooly aphid Eriosoma lanigerum Hausmann (Hemiptera: Insecta)". Aust. J. Biol. Sci. 30: 173–181. 1977.