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. 2022 Aug 8;37(4):559–574. doi: 10.3803/EnM.2022.1443

Fig. 1.

Fig. 1.

Biosynthetic pathways of taurine in humans. Orange and blue arrows indicate synthesis pathways (I) and (II) from cysteine, respectively. Synthesis pathway (III) is indicated in green arrows [13] (created with BioRender.com). CBS, cystathionine β-synthase; CDO, cysteine dioxygenase; CSAD, cysteine sulfinate decarboxylase; HDH, hypotaurine dehydrogenase; CAD, candysteic acid decarboxylase; ADO, 2-aminoethanethiol dioxygenase.