4UDI:
reference: Structural bases for N-glycan processing by mannoside phosphorylase., Ladeveze S, Cioci G, Roblin P, Mourey L, Tranier S, Potocki-Veronese G, Acta Crystallogr D Biol Crystallogr. 2015 Jun;71(Pt 6):1335-46. doi:, 10.1107/S1399004715006604. Epub 2015 May 14. PMID: 26057673

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