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Pictorial representation of AgI/II proteins of (A) S. pyogenes serotype M28 (strain MGAS6180) and (B) S. gordonii DL1, showing the recombinant fragments generated in this study. Included are the aa residue numbers demarcating each of the protein fragments. Structural features are as follows: LS, leader sequence; N, N-terminal domain; A, alanine-rich repeats; V, variable region; P, proline-rich repeats; C, C-terminal domain; and CW, cell wall anchor.
