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SgrAI–DNA contacts. (A) Contacts to the base edges in the major groove of half of the 2-fold symmetric DNA recognition sequence by SgrAI. (B) Schematic of the SgrAI–DNA contacts with the boxed region indicating the contacts shown in A. (C) Close-up of the Lys 96–DNA contacts in the minor groove. (D) Schematic of the SgrAI–DNA contacts with the boxed region indicating the contacts shown in C.
