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Reeling in the bases

EcoR124I is a type I DNA restriction and modification enzyme. The single-molecule magnetic tweezers technique reveals that this sophisticated molecular machine is capable of moving thousands of base pairs of DNA in one binding event.

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Figure 1: Action of the type I and type II restriction enzymes on DNA.

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Dryden, D. Reeling in the bases. Nat Struct Mol Biol 11, 804–806 (2004). https://doi.org/10.1038/nsmb0904-804

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