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DNA sequence of the rnjB gene and deduced amino acid sequence of RNase J2 in ancestral strain WN624 (top) and the DNA sequence of the rnjB(Δ9) mutant and deduced amino acid sequence of the resulting RNase J2Δ3 in LP-evolved strain WN1106 (bottom). Direct repeats (boxed, boldface type) are indicated. A triangle indicates deletion of 3 amino acids (AKI) from the deduced RNase J2 sequence in strain WN1106.
