1C57:
reference: Direct determination of the positions of the deuterium atoms of the bound water in -concanavalin A by neutron Laue crystallography., Habash J, Raftery J, Nuttall R, Price HJ, Wilkinson C, Kalb AJ, Helliwell JR, Acta Crystallogr D Biol Crystallogr. 2000 May;56(Pt 5):541-50. PMID: 10771422

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