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Polymorphism at the c.1574C[8] tract and base 1,657 of mga of sequenced M12 GAS genomes. (A) For different polymorphisms of the c.1574C[8] and base 1,657 in M12 mga genes. (B) The difference in amino acid sequence of Mga caused by the polymorphisms of mga in panel A. The sequences in red are those that are different from the wild-type Mga.
