These immune molecules may directly kill, not just tag, microbes. Twist and fluoresce. R.A. Lerner, et al .
Antibodies have the intrinsic capacity to destroy antigens.
Turning antibodies into chemists. Eliat, D., and Y. Naparstek. A puzzle of autoimmune phenomena. Unexpected presence of polyreactive catalytic antibodies in lgG from unimmunized donors and decreased levels in rheumatoid arthritis. Paul, S. 1998.