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Predicted structures (magenta) for CS-E and heparin bound to NgR1 and NgR3. Residues within 5 Å of GAG ligand are shown (cyan) with hydrogen bonding and salt bridges between ligand and protein displayed (dashed lines). (A) CS-E and (B) heparin bound to NgR1. (C) CS-E and (D) heparin bound to NgR3.
