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Janus kinase 1 (JAK1), is a protein tyrosine kinase that is involved in the interferon-alpha/beta and -gamma signal transduction pathways. Immunological stimuli, such as interferons and cytokines, induce recruitment of Stat transcription factors to cytokine receptor-associated JAK1. JAK1 then phosphorylates proximal Stat factors, which subsequently dimerize, translocate to the nucleus and bind to cis elements upstream of target gene promoters to regulate transcription. Upon ligand binding, JAK1 undergoes tyrosine phosphorylation and catalytic activation in an interdependent manner. Phosphorylation of tyrosine residues at positions 1022 and 1023 is believed to function in the activation of catalytic events.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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蛋白别名: EC 2.7.10.2; JAK-1; Janus kinase 1; kinase Jak1; Tyrosine-protein kinase JAK1
基因别名: JAK1; JAK1A; JAK1B; JTK3
UniProt ID: (Human) P23458
Entrez Gene ID: (Human) 3716