CystineUrineCystinosisCystine Knot MotifsAmino Acid Transport System y+CystinuriaCysteamineCysteineFanconi SyndromeAmino Acids, SulfurCyclotidesGlutathioneDisulfidesAmino AcidsUrinalysisCystamineAmino Acid Transport Systems, NeutralMethionineAmino Acid Transport Systems, BasicOldenlandiaCystine-Knot MiniproteinsSulfhydryl CompoundsCoprophagiaChromatography, High Pressure LiquidUrine Specimen CollectionMaleatesUrinary Calculi