Pyridoxal PhosphatePyridoxinePyridoxalPyridoxic AcidVitamin B 6 DeficiencyVitamin B 6Pyridoxal KinaseTyrosine DecarboxylaseApoenzymesAspartate AminotransferasesNutritional RequirementsPyridoxamineNutritional StatusHomocysteineErythrocytesPlasmaDietBorohydridesPyridoxaminephosphate OxidaseTransaminasesPlasma CellsL-Serine DehydratasePicolinesLyasesSchiff BasesCell MembraneGlycine HydroxymethyltransferaseKineticsBinding SitesLysineCysteine SynthasePlasma GasesAlanine RacemasePhosphorylasesTyrosine Phenol-LyaseD-Alanine TransaminaseTryptophanaseSpectrophotometryTryptophan SynthasePhosphorylase bAmino Acid SequenceChromatography, High Pressure LiquidCarboxy-LyasesLiverMolecular Sequence DataHydrogen-Ion ConcentrationProtein BindingPlasma VolumeSpectrophotometry, UltravioletCystathionine beta-Synthase