Although transposition for targeting the hflK gene is less efficient, the fact that DNA integration into the target with several mismatches at the PAM-proximal region occurs is highly significant from the perspective of the functional relevance of the CAST system (see “Discussion” section).
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Sequential structural rearrangements at the PAM-distal site of a type I-F3 CRISPR-Cas effector enabling RNA-guided DNA transposition.
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