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Immunogen sequence: RFSESILTYV AHTSALTYPP GSRTQLREDL LPRTLGQLQP DELSPKVDSG VDRHHLMAAL SAYAAQRPPA PPGEGSLEPQ YLLRAPSRMP RPLLAPAAPQ KWPSPLGDSE DPSST
Highest antigen sequence identity to the following orthologs: Mouse - 54%, Rat - 59%.
The protein encoded by this gene is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP possesses an extracellular region, a single transmembrane region, and a single intracellular catalytic domain, and thus represents a receptor-type PTP. The catalytic domain of this PTP is most closely related to PTPRN/IA-2beta. This PTP and PTPRN are both found to be major autoantigens associated with insulin-dependent diabetes mellitus. Three alternatively spliced transcript variants of this gene, which encode distinct proteins, have been reported.
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Protein Aliases: EC 3.1.3.48; IAR; IAR/receptor-like protein-tyrosine phosphatase; Islet cell autoantigen-related protein; Phogrin; protein tyrosine phosphatase receptor pi; protein tyrosine phosphatase, receptor type, N polypeptide 2; R-PTP-N2; Receptor-type tyrosine-protein phosphatase N2; tyrosine phosphatase IA-2 beta
Gene Aliases: IA-2beta; IAR; ICAAR; KIAA0387; PTPRN2; PTPRP; R-PTP-N2
UniProt ID: (Human) Q92932
Entrez Gene ID: (Human) 5799
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