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Tyrosine-Protein Phosphatase Non-Receptor Type 22 Proteins (PTPN22)

PTPN22 encodes of member of the non-receptor class 4 subfamily of the protein-tyrosine phosphatase family. Additionally we are shipping PTPN22 Antibodies (62) and PTPN22 Kits (1) and many more products for this protein.

list all proteins Gene Name GeneID UniProt
PTPN22 19260 P29352
PTPN22 26191 Q9Y2R2
Rat PTPN22 PTPN22 295338  
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Top PTPN22 Proteins at

Showing 3 out of 4 products:

Catalog No. Origin Source Conjugate Images Quantity Supplier Delivery Price Details
HOST_Escherichia coli (E. coli) Human His tag „Crystallography Grade“ protein due to multi-step, protein-specific purification process 1 mg Log in to see 39 to 44 Days
HOST_Wheat germ Human GST tag 10 μg Log in to see 9 Days
HOST_Escherichia coli (E. coli) Mouse His tag „Crystallography Grade“ protein due to multi-step, protein-specific purification process 1 mg Log in to see 39 to 44 Days

PTPN22 Proteins by Origin and Source

Origin Expressed in Conjugate
Mouse (Murine)

Human ,

Top referenced PTPN22 Proteins

  1. Human PTPN22 Protein expressed in Wheat germ - ABIN1316837 : Bayley, Yang, Buckley, Young: Measuring the specific activity of the protein tyrosine phosphatase Lyp. in Journal of immunological methods 2013 (PubMed)

More Proteins for Tyrosine-Protein Phosphatase Non-Receptor Type 22 (PTPN22) Interaction Partners

Mouse (Murine) Tyrosine-Protein Phosphatase Non-Receptor Type 22 (PTPN22) interaction partners

  1. our data suggest a critical role for GITR (show TNFRSF18 Proteins) in Treg cell homeostasis and indicate that Ptpn22 independently affects the differentiation status of Treg cells and their homeostatic behavior

  2. Tec (show NR4A3 Proteins) enhances c-Maf (show MAF Proteins)-dependent IL-4 (show IL4 Proteins) promoter activity. This effect of Tec (show NR4A3 Proteins) is counteracted by Ptpn22, which physically interacts with and facilitates tyrosine dephosphorylation of c-Maf (show MAF Proteins) thereby attenuating its transcriptional activity.

  3. lack of PTPN22 strengthens transplant tolerance to pancreatic islets by expanding both FOXP3(+) Treg and Tr1 cells

  4. Ptpn22 and Cd2 (show CCND2 Proteins) Variations Are Associated with Altered Protein Expression and Susceptibility to Type 1 Diabetes

  5. T cell activation modulates the expression of PTPN22 and additional inhibitory phosphatases.

  6. PTPN22 is an inhibitor of PAD-4 (show PADI4 Proteins) and protein citrullination.

  7. Autoimmunity-associated protein tyrosine phosphatase (show ACP1 Proteins) PEP (show PREP Proteins) negatively regulates IFN-alpha (show IFNA Proteins) receptor signaling.

  8. lack of Ptpn22 exacerbates virally-induced type 1 diabetes in lymphocytic choriomeningitis virus mice, while maintaining higher number of Treg cells in the antiviral response in the blood and spleen but not in the pancreatic lymph nodes

  9. Data suggest that a gain-of-function of human PTPN22 transgene encoding the tyrosine phosphatase LYP is unlikely to increase risk of autoimmunity through alterations of thymic selection.

  10. PTPN22 limited signaling via the T cell antigen receptor (TCR) by weak agonists and self antigens while not impeding responses to strong agonist antigens.

Human Tyrosine-Protein Phosphatase Non-Receptor Type 22 (PTPN22) interaction partners

  1. In conclusion, the authors found a lack of association of PTPN22 -1123G>C and +1858C>T polymorphisms with the risk of developing systemic lupus erythematosus in a Mexican population.

  2. this study shows that PTPN22 genetic polymorphisms play role in predisposition of type 1 diabetes mellitus in Egyptian children

  3. Results do not support a major role of PTPN22 gene SNPs in Behcet's disease in Spanish population.

  4. Suppression of PTPN22 with siRNA effectively decreases the viability of T-cell acute leukemia cells.

  5. this study shows that genetic polymorphism in PTPN22 influences genetic susceptibility systemic lupus erythematosus and rheumatoid arthritis in a Chinese Han population

  6. we can conclude that PTPN22-rs2476601 polymorphism is clearly associated with the risk of Rheumatoid Arthritis in the Western Algerian population

  7. The PTPN22 1858C/T polymorphism is not associated with RA risk in Asian populations. However, our meta-analysis confirms that the PTPN22 1858C/T polymorphism is associated with RA susceptibility in Caucasians.

  8. LPS (show IRF6 Proteins) tolerance interferes with TLR4 (show TLR4 Proteins) signaling by inhibiting Lyn (show LYN Proteins) and c-Src (show SRC Proteins) phosphorylation and their recruitment to TLR4 (show TLR4 Proteins), while increasing the phosphatase activity and expression of PP2A (show PPP2R4 Proteins), PTPN22, PTP1B (show PTPN1 Proteins) and MKP1 (show DUSP1 Proteins).

  9. Using an integrated, unbiased genomic approach, we have identified novel genes associated with ascending aortic aneurysms in patients with bicuspid aortic valves, modulated through epigenetic mechanisms. The top gene was PTPN22, which is involved in T-cell receptor signaling and associated with various immune disorders.

  10. sex-specific pattern of association is broadly applicable to different populations, and provides further impetus to undertake mechanistic studies to understand the impact of sex on PTPN22 in JIA.

PTPN22 Protein Profile

Protein Summary

This gene encodes of member of the non-receptor class 4 subfamily of the protein-tyrosine phosphatase family. The encoded protein is a lymphoid-specific intracellular phosphatase that associates with the molecular adapter protein CBL and may be involved in regulating CBL function in the T-cell receptor signaling pathway. Mutations in this gene may be associated with a range of autoimmune disorders including Type 1 Diabetes, rheumatoid arthritis, systemic lupus erythematosus and Graves' disease. Alternatively spliced transcript variants encoding distinct isoforms have been described.

Gene names and symbols associated with PTPN22

  • protein tyrosine phosphatase, non-receptor type 22 (lymphoid) (Ptpn22)
  • protein tyrosine phosphatase, non-receptor type 22 (lymphoid) (PTPN22)
  • 70zpep protein
  • LYP protein
  • LYP1 protein
  • LYP2 protein
  • PEP protein
  • PTPN8 protein

Protein level used designations for PTPN22

PEST domain-enriched tyrosine phosphatase , hematopoietic cell protein-tyrosine phosphatase 70Z-PEP , protein tyrosine phosphatase, non-receptor type 8 , tyrosine-protein phosphatase non-receptor type 22 , PEST-domain phosphatase , lymphoid phosphatase , lymphoid-specific protein tyrosine phosphatase

19260 Mus musculus
26191 Homo sapiens
295338 Rattus norvegicus
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