1.3.1.31 28 - assay at 726510 1.3.1.31 30 - only 25% residual activity 724053 1.3.1.31 30 - optimal temperature in Tris-HCl buffer 724100 1.3.1.31 35 - optimal temperature in potassium phosphate buffer 724100 1.3.1.31 37 - assay at 724053 1.3.1.31 40 45 - 763450 1.3.1.31 45 - - 762858 1.3.1.31 45 - optimal activity 724053 1.3.1.31 53 - only 25% residual activity 724053