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(A) Nucleotide sequence of the reconstituted Mx9 attB1 site. (B) Nucleotide sequence of the Mx9 attB2 site. The arrows indicate an inverted repeat in attB2. (C) Nucleotide sequence of the native Mx9 attB1. Boldface type indicates the core att site. The underlined nucleotides encode tRNAGly.
