5.3.1.14 L-rhamnose isomerase - 5.3.1.15 D-lyxose ketol-isomerase - 5.3.1.16 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide isomerase - 5.3.1.17 5-dehydro-4-deoxy-D-glucuronate isomerase - 5.3.1.20 ribose isomerase - 5.3.1.21 corticosteroid side-chain-isomerase - 5.3.1.22 Hydroxypyruvate isomerase - 5.3.1.23 S-methyl-5-thioribose-1-phosphate isomerase - 5.3.1.24 phosphoribosylanthranilate isomerase - 5.3.1.25 L-fucose isomerase -