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Model of ligands binding to SI-CLP. A, superimposition of SI-CLP and HCgp39·NAG complex (1LG1) showing the saccharide-binding cleft. The NAG6 is shown as sticks. The SI-CLP backbone is shown in green-cyan, and the HCgp39 complex is shown in bright orange. B, molecular surface (calculated with PyMOL, positive in blue, 20 kT, negative in red, −20 kT) for SI-CLP docked with NAG6.
