Characterization and selectivity of catalytic antibodies from human serum with RNase activity

Abstract excerpt

IgG purified from sera of several patients with systemic lupus erythematosus and hepatitis B are shown to present RNA hydrolyzing activities that are different from the weak RNase A-type activities found in the sera of healthy donors. Further investigation brings evidence for two intrinsic activities, one observed in low salt conditions and another specifically stimulated by Mg2+ions and distinguishable from...

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