1.5.5.2 25 - assay at 722591, 742162, 743834 1.5.5.2 30 - - 742641 1.5.5.2 37 - assay at 741588 1.5.5.2 37 - recombinant enzyme 743635 1.5.5.2 50 - assay at 741732 1.5.5.2 85 - - 658668