Thiamine pyrophosphokinase 1
UniProtKB accession: Q9R0M5
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Go to UniProtKB: Q9R0M5
UniProtKB description: Catalyzes the phosphorylation of thiamine to thiamine pyrophosphate (TPP) utilizing UTP and therefore links the biosynthesis of TPP to pyrimidines metabolism (PubMed:38547260). By producing thiamine pyrophosphate, a cofactor of the mitochondrial pyruvate dehydrogenase indirectly regulates pyruvate oxidation and lipogenesis (PubMed:38547260). Although it can also catalyze thiamine phosphorylation using ATP and CTP in vitro, it does so with significantly lower efficiency and without physiological relevance evidence (PubMed:10567383, PubMed:16365036, PubMed:38547260).
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