Supplementary Figure 3: Electron densities of the N559 glycan of SV2C in the gSV2C–HCA complex.
From: N-linked glycosylation of SV2 is required for binding and uptake of botulinum neurotoxin A

(a) Key glycan-binding residues of HCA and the N559 glycan are shown as stick models. Water molecules facilitating the HCA–glycan association are shown as green spheres. A simulated-annealing omit electron density map contoured at 1.5 σ was overlaid with the final refined model. (b) A different view with a rotation ~90° about a vertical axis.