3.6.1.43 2 3 - 711954 3.6.1.43 6 7 in the presence of octyl glucoside 656027 3.6.1.43 6.9 - - 134917 3.6.1.43 7 - optimum activity at neutral pH 289079 3.6.1.43 7.4 - assay at 687781 3.6.1.43 8 - - 134908, 289076