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Structures (top) and wheel (bottom) representations of the three main core packing in tetrameric antiparallel coiled coils: a) a-d, b) a-d-e, and c) a-d-g core packing. PDB IDs: 1ROP, 1TLF, and 2B22. The structures and the wheel representations were generated with PyMol[52a] and DrawCoil,[52b] respectively.
