2.1.1.99 additional information octyl-beta-D-glucoside: 0.15% solution 100% of activity 2.1.1.99 additional information optimal pH for solubilization: 7.5 2.1.1.99 additional information CHAPS: 232% activity is solubilized 2.1.1.99 Triton X-100 0.1% Triton X-100 90% of activity