Posted: July 16th, 2017

All of the following statements about the M-protein of Group A Streptococci are correct EXCEPT:

All of the following statements about the M-protein of Group A Streptococci are correct EXCEPT:
A. The amino terminal portion (distal portion) is variable, accounting for over 80 distinct serotypes.
B. M proteins allow streptococci to resist phagocytosis.
C. Antibodies to M protein confer type-specific immunity.
D. M protein is the major virulence factor of Group A streptococci.
E. M protein is the major constituent of the capsule of Group A streptococci.