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Refolding of coiled-coil/collagen constructs. The collagen component of all constructs was denatured by heating to 50 °C for 30 min, samples were then returned to 0 °C and refolding monitored by CD spectroscopy at 220 nm: V-CL (○), CL (◊), CC-CL (□), CL-CC (△), and CC-CL-CC (▿).
