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Cyclic and linear configurations of the enantiomeric pairs of galactose

The hydroxy group on the hemiacetal carbon (C-1) is indicated in blue in the alpha (α) anomer and in yellow in the beta (β) anomer. (Source: Conte F, van Buuringen N, Voermans NC, Lefeber DJ. Galactose in human metabolism, glycosylation, and congenital metabolic diseases: time for a closer look. Biochim Biophys Acta Gen Subj 2021;1865[8]:129898. CC BY License, http://creativecommons.org/licenses/by/4.0.)

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