5.4.99.41 | (18E)-22,23-dihydro-20-oxa-oxidosqualene |
the 20-oxa substitution has negligible effect on substrate binding and on the activation energies |
Arabidopsis thaliana |
3beta-hydroxy-22,23,24,25,26,27-hexanor-17beta-dammaran-20-one + ? |
sole product |
? |
5.4.99.41 | (3S,22S)-2,3:22,23-dioxidosqualene |
- |
Arabidopsis thaliana |
(2R,4aR,6aS,6bS,10R,12aS,14aR,14bS)-2-(1-hydroxy-1-methylethyl)-4a,6a,6b,9,9,12a-hexamethylicosahydro-2H-phenanthro[1,2-h]chromen-10-ol + (3alpha,5xi,8alpha,9xi,10alpha,13aalpha,14beta,17xi,20R,24R)-20,24-epoxydammarane-3,25-diol + (3alpha,5xi,8alpha,9xi,10alpha,13alpha,14beta,17xi,24R)-20,24-epoxydammarane-3,25-diol |
products 5_4_99.B3_11.8, 5_4_99.B3_11.9a and 5_4_99.B3_11.9b in ratio 3:4:2, almost complete consumption of substrate |
? |