3.2.1.57 25 - assay at 732013 3.2.1.57 30 40 - 136636 3.2.1.57 35 40 deglycosylated recombinant IPU, native IPU has a similar optimum temperature 655805 3.2.1.57 40 - assay at 655036 3.2.1.57 40 - at pH 3.5 136633 3.2.1.57 40 - F2 at pH 3.5 136638 3.2.1.57 40 45 recombinant enzyme 136639 3.2.1.57 45 - F1 at pH 3.5 136638 3.2.1.57 60 - - 136635, 586944, 655376