4PW2:
reference: Structural and functional study of D-glucuronyl C5-epimerase., Qin Y, Ke J, Gu X, Fang J, Wang W, Cong Q, Li J, Tan J, Brunzelle JS, Zhang C, Jiang Y, Melcher K, Li JP, Xu HE, Ding K, J Biol Chem. 2015 Jan 7. pii: jbc.M114.602201. PMID: 25568314

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