Protein Structure from Scientific Research

Transparent cryo-EM map showing the density and atomic models for a tri- and tetrasaccharide bound to hydroxyproline residues within the PPII helix of MST1. Individual saccharide units are labeled according to the Symbol Nomenclature for Glycans (SNFG). An unbuilt saccharide unit in the tetrasaccharide is marked with an asterisk.

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