Exploration of tropocollagen unwinding by cathepsin K dimer with chondroitin 4-sulphate through microsecond timescale molecular dynamics
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Cathepsin K (CatK), a promising therapeutic target for bone-related diseases, uniquely unfolds triple-helical collagen and digests tropocollagen into soluble peptides in the presence of chondroitin 4-sulphate (C4-S). However, the molecular mechanism of CatK-me... ...