PterinsL-Serine DehydrataseDihydropteridine ReductaseBiopterinPteridinesAlcaligenes faecalisGTP CyclohydrolaseHydro-LyasesPropanediol DehydratasePrephenate DehydratasePorphobilinogen SynthaseAcroleinSchiff BasesThreonine DehydrataseDeoxyguanosineMethanolDNA AdductsHydrogen BondingAminesStereoisomerismNuclear Magnetic Resonance, BiomolecularCross-Linking ReagentsCobamides