6.1.1.2 additional information - - 675928, 676229 6.1.1.2 additional information - recombinant wild-type and mutant enzymes 676210 6.1.1.2 0.0018 - purified enzyme 653740 6.1.1.2 0.45 - - 85 6.1.1.2 1.45 - - 299