1.5.1.23 NAD: tauropine oxidoreductase, SD_TaDH, TaDH, tauropine [(carboxyethyl)-taurine/derived from sulfhydryl-amino acids] dehydrogenase, tauropine [(carboxyethyl)-taurine/derived from sulfhydrylamino acids] dehydrogenase, Tauropine: NAD oxidoreductase, TDH - -, 655275, 688792, 741868, 765146 1.5.1.23 tauropine dehydrogenase belongs to the family of opine dehydrogenases, phylogenetic analyses indicate that TaDH is only distantly related to the opine dehydrogenases from marine invertebrates, high sequence similarity to bacterial ornithine cyclodeaminases 688792