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Cartoon-block schematics enabled by the DSSR-PyMOL integration for six representative PDB entries. Note WC-pairs as long blocks and minor-groove edges rendered in black (A, B), G-tetrads as square blocks and the metal ion as sphere (C), the ligand as balls-and-sticks (D), and proteins as purple cartoons (E, F). Color code: A, red; C, yellow; G, green; T, blue; U, cyan; G-tetrad, green; WC-pairs, per base in the leading strand.
