Table 4.

Activity and selectivity for Mb(H64V,V68A)-catalyzed cyclopropanation of non-styrenyl olefins with EDA.^a

Entry	Olefin	Product	Yieldb	TON	% de	% ee
1			0%	0	-	-
2			13%	25	95	75
3			18%	32	95	86
4c			65%	325	98	99
5c			40%	200	80	74

^aReaction conditions: 20 mM olefin, 10 mM EDA, 10 mM Na₂S₂O₄, 50 μM purified Mb variant in phosphate buffer (50 mM, pH 7.0), under anaerobic conditions, room temperature, 16 hours.

^bGC yield.

^cUsing 20 μM catalyst.