3.1.13.2 5.4 6.8 assay at pH 5.4, pH 5.5, and pH 6.8 664048 3.1.13.2 6 - assay at 664051 3.1.13.2 7.2 - assay at 663661 3.1.13.2 7.5 - - 729704 3.1.13.2 7.8 - assay at 664079 3.1.13.2 8 - assay at 656665, 663626, 663833, 664053, 665679, 666034, 671783, 677282, 680758, 681520, 749598, 749600, 751635 3.1.13.2 8 8.5 - 134079 3.1.13.2 10 - optimum pH for LC11-RNase H1 730895