4XQM:
reference: Crystal Structure and Functional Analyses of the Lectin Domain of Glucosidase II: Insights into Oligomannose Recognition., Olson LJ, Orsi R, Peterson FC, Parodi AJ, Kim JJ, D'Alessio C, Dahms NM, Biochemistry. 2015 Jul 7;54(26):4097-111. doi: 10.1021/acs.biochem.5b00256. Epub , 2015 Jun 24. PMID: 26062005

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