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Visualization of minicircle replication products following deproteinization. A, C, and D, molecules with one ss segment at one end. The white arrows show the location of the ssDNA regions. The molecule shown in C is an example of a replicating minicircle with a long duplex tail whose length exceeds 5 kb. B, product molecule with two ss segments. D, fully duplex DNA without any ss segment (molecule on the right).
