by the use of an m6 monoclonal antibody , which crossreacts with 20 different m protein types , and antibodies to the n-acetyl glucosamine determinant of the cell wall , we have been able to identify the m protein molecules released from the streptococcal cell wall with muralytic enzymes , particularly group c phage-associated lysin .
C0003250
monoclonal antibody
C0003241
antibodies