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Model of the hexagonal (6 + 1) bundles of bent-core trimers in the flower and banana configurations (top) and AFM image of a smectic array of preCOL-D bundles in the proximal portion of the thread stretched by at least 100% (bottom). A pair of overlaid model molecules related by a C2 point symmetry is shown in black with the N-termini in blue (reprocessed data from ref 18).
