ID 1.14.14.194 DE ecgonone synthase. AN CYP81AN15. AN CYP82M3. CA (S)-4-(1-methylpyrrolidin-2-yl)-3-oxobutanoate + reduced [NADPH- CA -hemoprotein reductase] + O2 = (+)-ecgonone + oxidized [NADPH- CA -hemoprotein reductase] + 2 H2O + H(+). CC -!- A cytochrome P450 (heme thiolate) enzyme that has been isolated from CC the plants Atropa belladonna, Erythroxylum novogranatense and CC Anisodus acutangulus. CC -!- It participates in biosynthesis of assorted tropane alkaloids. DR A0A9E9NIU8, C81AN_ERYCB; A0A9E8M4C5, C81AN_ERYNO; A0A3G4RHY7, C82M3_ATRBE; DR A0A9Y1E1K8, C82M3_DATST; //