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PTP1B (PTPN1) is a tyrosine-protein phosphatase which acts as a regulator of endoplasmic reticulum unfolded protein response. It mediates dephosphorylation of EIF2AK3/PERK and in turn inactivates the protein kinase activity of EIF2AK3/PERK. PTP1B also plays a role in CKII- and p60c-src-induced signal transduction cascades. It regulates the EFNA5-EPHA3 signaling pathway which modulates cell reorganization and cell-cell repulsion. PTP1B also regulates the hepatocyte growth factor receptor signaling pathway through dephosphorylation of MET.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: EC 3.1.3.48; hgnc9642; KIAA0283; protein tyrosine phosphatase, placental; protein-protein-tyrosine phosphatase HA2; Protein-tyrosine phosphatase 1B; Protein-tyrosine phosphatase HA2; PTN1; PTP-1B; PTP-HA2; RP5-1121H13.2; RPTPrho; tyrosine phosphatase 1b; tyrosine-phosphatase; Tyrosine-protein phosphatase non-receptor type 1
基因别名: Ptp; PTP-1B; PTP-HA2; PTP1B; PTPN1
UniProt ID: (Human) P18031, (Rat) P20417, (Mouse) P35821
Entrez Gene ID: (Human) 5770, (Rat) 24697, (Mouse) 19246