SLC5A2 and type 2 diabetes mellitus: Zimdahl et al. have studied the effects of five common SNPs (rs9934336 G>A, rs3813008 G>A, rs3116150 G>A, rs3116149 G>A, and rs11646054 G>C) in the SLC5A2 locus on metabolic traits in individuals at risk for T2D.