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Hep12 bound to wtECP with the lowest energy. The ligand was shown in stick. (A) and (B) respectively represented a front and a side view of wtECP-Hep12 complex. Amino acids that interacted with the bound Hep12 on the surface were indicated by residue numbers. SGN, 6-O-sulfated, N-sulfated glucosamine; IDS, 2-O-sulfated iduronic acid.
