GTP CyclohydrolaseBiopterinMethenyltetrahydrofolate CyclohydrolasePterinsAminohydrolasesPteridinesPhosphorus-Oxygen LyasesHypoxanthinesDystoniaMethylenetetrahydrofolate Dehydrogenase (NADP)PainGuanosine TriphosphateNucleotide DeaminasesNeopterinFormate-Tetrahydrofolate LigaseParaparesis, SpasticDystonic DisordersRiboflavinDimethyl SuberimidatePhenylalanineHydroxymethyl and Formyl TransferasesChronic PainPain ManagementPhysarum polycephalumLevodopaPain ThresholdNitric OxidePain, PostoperativeMolecular Sequence DataAlcohol OxidoreductasesNitric Oxide Synthase Type IIILow Back PainBack PainAmino Acid SequenceAromatic-L-Amino-Acid Decarboxylases