PPP3CA and infection: However, our strains were all methicillin sensible (MS) and 7 out of 13 strains carried the cps5 gene for capsular type 5 and the remaining cps8, suggesting that the site of infection may have been the driving force in selecting a subpopulation of cna positive S. aureus strains irrespective of other characteristics such as methicillin resistance and capsular type.