Abstract
Two types of IgG anti-DNA antibodies exhibiting DNA-hydrolyzing activity have been isolated from blood serum of patients with systemic lupus erythematosus. This DNase activity of antibodies differs from serum DNases by the non-processive mode, temperature resistance, pH optimum, and the rate of DNA hydrolysis. It is suggested that the anti-DNA antibody molecule possessing DNase activity contains two sites: one site determines specificity of antibody–DNA interaction, whereas the other is responsible for manifestation of the catalytic activity.
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Nevzorova, T.A., Temnikov, D.A. & Vinter, V.G. Special Features of the DNA-Hydrolyzing Activity of the Antibodies in Systemic Lupus Erythematosus. Biochemistry (Moscow) 68, 1300–1306 (2003). https://doi.org/10.1023/B:BIRY.0000011650.48894.7e
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DOI: https://doi.org/10.1023/B:BIRY.0000011650.48894.7e