ATP -> HX Ade -> 0 dATP -> DNA ATP -> dATP ATP -> IMP Ade + PRPP -> ATP ATP -> RNA IMP -> SAMP SAMP -> ATP dATP -> HX PRPP -> IMP dGTP -> Gua DNA -> dATP DNA -> dGTP dGTP -> DNA GTP -> dGTP GTP -> IMP XMP -> GTP GTP -> Gua Gua + PRPP -> GTP GTP -> RNA Gua -> Xa HX + PRPP -> IMP HX -> 0 HX -> Xa IMP -> XMP IMP -> HX ATP -> SAM SAM -> Ade R5P -> PRPP PRPP -> 0 RNA -> ATP RNA -> GTP SAM -> ATP UA -> 0 Xa -> 0 Xa -> UA