id author title date pages extension mime words sentence flesch summary cache txt zg64th86587 Vishwanatha K Chandrahas Sequence Diversity in Streptokinase and M-Proteins, Their Co-Inheritance and Functional Relationships in Group A Streptococcal Virulence 2015 .txt text/plain 618 27 53 Although antibiotics are effective drugs against GAS diseases, GAS infections have undergone resurgence since the 1980s. These studies demonstrate that GAS virulence in different bacterial strains can be dictated by differences in the hPg activation properties of SK2a and SK2b. cache/zg64th86587.txt txt/zg64th86587.txt