2G9F:
reference: Structural and biochemical studies of the C-terminal domain of mouse peptide-N-glycanase identify it as a mannose-binding module., Zhou X, Zhao G, Truglio JJ, Wang L, Li G, Lennarz WJ, Schindelin H, Proc Natl Acad Sci U S A. 2006 Nov 14;103(46):17214-9. Epub 2006 Nov 6. PMID: 17088551

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