1.1.1.B52 K202S/L224Y 89.5% enantiomeric excess for (R)-3-quinuclidinol production, 82% conversion 738052 1.1.1.B52 K202N/L224M 89.7% enantiomeric excess for (R)-3-quinuclidinol production, 90% conversion 738052 1.1.1.B52 N162A 93.8% enantiomeric excess for (R)-3-quinuclidinol production, 91% conversion 738052 1.1.1.B52 K202R/L224W 94.7% enantiomeric excess for (R)-3-quinuclidinol production, 91% conversion 738052 1.1.1.B52 K202Q/L224W 95.5% enantiomeric excess for (R)-3-quinuclidinol production, 82% conversion 738052 1.1.1.B52 A158D/N162Q 95.8% enantiomeric excess for (R)-3-quinuclidinol production, 79% conversion 738052 1.1.1.B52 A158D/N162G 96.5% enantiomeric excess for (R)-3-quinuclidinol production, 87% conversion 738052 1.1.1.B52 A158A/N162P 96.8% enantiomeric excess for (R)-3-quinuclidinol production, 82% conversion 738052 1.1.1.B52 A158K/N162M 97.6% enantiomeric excess for (R)-3-quinuclidinol production, 98% conversion 738052 1.1.1.B52 A158H/N162P 98.1% enantiomeric excess for (R)-3-quinuclidinol production, 95% conversion 738052 1.1.1.B52 Y216V activity is 31% compared to activity of wild-type enzyme 729146 1.1.1.B52 R196A activity is 76% compared to activity of wild-type enzyme 729146 1.1.1.B52 A158H/N162G/K202Q/L224W mutations increase the enantiomeric excess for (R)-3-quinuclidinol production from 84.3% (wild-type) to 99% and concomitantly to enhance conversion by 43.5% 738052 1.1.1.B52 D40A no activity 729146 1.1.1.B52 E197A no activity 729146 1.1.1.B52 D40A site-directed mutagenesis, inactive mutant 741816 1.1.1.B52 E197A site-directed mutagenesis, inactive mutant 741816 1.1.1.B52 R196A site-directed mutagenesis, the mutant shows 34% reduced activity compared to the wild-type enzyme 741816 1.1.1.B52 Y216V site-directed mutagenesis, the mutant shows 69% reduced activity compared to the wild-type enzyme 741816