GNPDA2 and obesity due to melanocortin 4 receptor deficiency: In race/ethnic-specific analyses, we identified a number of genes related to obesity (GNPDA2, ZNF664-FAM101A, PFKP, SAMD4A), glycosylation (GYPC, FUT10), and carbohydrate metabolism (GNPDA2, PFKP, SLC45A).