spg:SpyM3_1468 K00864 glycerol kinase [EC:2.7.1.30] | (GenBank) glpK; putative glycerol kinase spg:SpyM3_1467 K00105 alpha-glycerophosphate oxidase [EC:1.1.3.21] | (GenBank) glpO; putative alpha-glycerophosphate oxidase