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Structure of bNPC2. Ribbon diagrams of bNPC2 with views related by a 90° rotation. One β-sheet is shown in yellow and the other in cyan. The side chains of cysteine residues that form three disulfide bonds are shown in red. GlcNAc that modifies Asn-39 of strand βB is shown in ball-and-stick representation. This and all subsequent figures were generated by using molscript (17) and RASTER3D (18).
