2I16:
reference: Ultrahigh-resolution study of protein atomic displacement parameters at cryotemperatures obtained with a helium cryostat., Petrova T, Ginell S, Mitschler A, Hazemann I, Schneider T, Cousido A, Lunin VY, Joachimiak A, Podjarny A, Acta Crystallogr D Biol Crystallogr. 2006 Dec;62(Pt 12):1535-44. Epub 2006, Nov 23. PMID: 17139089

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