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Overall structure properties of Ton_Cas2. A: Each protomer is represented by light magenta and white cartoons. Hydrophobic interactions and charge interactions are enlarged in the black dotted boxes, and interaction residues are indicated by sticks. B: Wide and open conformation of Ton_Cas2. The distance between the two Asp8 residues in dimer are enlarged in the black dotted box in superposed structures of promotor A with Sso_Cas2 (white) and Bha_Cas2 (wheat).
