4C7X:
reference: High-resolution structures of Lactobacillus salivarius transketolase in the presence and absence of thiamine pyrophosphate., Lukacik P, Lobley CM, Bumann M, Arena de Souza V, Owens RJ, O'Toole PW, Walsh MA, Acta Crystallogr F Struct Biol Commun. 2015 Oct 1;71(Pt 10):1327-34. doi:, 10.1107/S2053230X1501657X. Epub 2015 Sep 23. PMID: 26457526

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