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DPYS, also known as Dihydropyrimidinase, is a 56.6 kDa, 519 amino acid protein that is involved in catalyzing the reaction of 5,6-dihydrouracil in to 3-ureidopropionate in the second step of pyrimidine reduction and degradation. Diseases and disorders such as pneumonia, beriberi, convulsions, carcinoma, neuronitis, tuberculosis, dihydropyrimidinuria, gastric cancer, and papillon-lefevre disease have been studied with this protein. The protein interacts in pyrimidine metabolism, beta-alanine metabolism, thymine degradation, and drug metabolism pathways with DPYD, UPB1, and DPYSL5.
