2I5K:
reference: Structural Basis for Subunit Assembly in UDP-glucose Pyrophosphorylase from Saccharomyces cerevisiae., Roeben A, Plitzko JM, Korner R, Bottcher UM, Siegers K, Hayer-Hartl M, Bracher A, J Mol Biol. 2006 Dec 8;364(4):551-60. Epub 2006 Sep 1. PMID: 17010990

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