UDP-N-acetylhexosamine pyrophosphorylase
UniProtKB accession: Q91YN5
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Go to UniProtKB: Q91YN5
UniProtKB description: Catalyzes the last step in biosynthesis of uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc) by converting UTP and glucosamine 1-phosphate (GlcNAc-1-P) to the sugar nucleotide (By similarity). Also converts UTP and galactosamine 1-phosphate (GalNAc-1-P) into uridine diphosphate-N-acetylgalactosamine (UDP-GalNAc) (By similarity). In addition to its role in metabolism, acts as a regulator of innate immunity in response to virus infection (PubMed:36603579). Regulates innate immunity by catalyzing pyrophosphorylation of IRF3 phosphorylated at 'Ser-386' by TBK1, promoting IRF3 dimerization and activation, leading to type I interferon responses (By similarity).
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