1LRL:
reference: Structural analysis of the Y299C mutant of Escherichia coli UDP-galactose 4-epimerase. Teaching an old dog new tricks., Thoden JB, Henderson JM, Fridovich-Keil JL, Holden HM, J Biol Chem 2002 Jul 26;277(30):27528-34. PMID: 12019271

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