3mbk

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Template:STRUCTURE 3mbk

Contents

The 1.35 A Structure of the Phosphatase Domain of the Suppressor of T Cell Receptor Signalling Protein in Complex with Sulphate

Template:ABSTRACT PUBMED 20516590

Function

[UBS3B_MOUSE] Interferes with CBL-mediated down-regulation and degradation of receptor-type tyrosine kinases. Promotes accumulation of activated target receptors, such as T-cell receptors and EGFR, on the cell surface. Exhibits tyrosine phosphatase activity toward several substrates including EGFR, FAK, SYK, and ZAP70. Down-regulates proteins that are dually modified by both protein tyrosine phosphorylation and ubiquitination.[1] [2] [3] [4]

About this Structure

3mbk is a 2 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA.

Reference

  • Jakoncic J, Sondgeroth B, Carpino N, Nassar N. The 1.35 A resolution structure of the phosphatase domain of the suppressor of T-cell receptor signaling protein in complex with sulfate. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Jun 1;66(Pt, 6):643-7. Epub 2010 May 25. PMID:20516590 doi:10.1107/S1744309110014259
  1. ↑ Carpino N, Turner S, Mekala D, Takahashi Y, Zang H, Geiger TL, Doherty P, Ihle JN. Regulation of ZAP-70 activation and TCR signaling by two related proteins, Sts-1 and Sts-2. Immunity. 2004 Jan;20(1):37-46. PMID:14738763
  2. ↑ Carpino N, Chen Y, Nassar N, Oh HW. The Sts proteins target tyrosine phosphorylated, ubiquitinated proteins within TCR signaling pathways. Mol Immunol. 2009 Oct;46(16):3224-31. Epub 2009 Sep 5. PMID:19733910 doi:S0161-5890(09)00679-8
  3. ↑ Thomas DH, Getz TM, Newman TN, Dangelmaier CA, Carpino N, Kunapuli SP, Tsygankov AY, Daniel JL. A novel histidine tyrosine phosphatase, TULA-2, associates with Syk and negatively regulates GPVI signaling in platelets. Blood. 2010 Oct 7;116(14):2570-8. doi: 10.1182/blood-2010-02-268136. Epub 2010, Jun 28. PMID:20585042 doi:10.1182/blood-2010-02-268136
  4. ↑ Mikhailik A, Ford B, Keller J, Chen Y, Nassar N, Carpino N. A phosphatase activity of Sts-1 contributes to the suppression of TCR signaling. Mol Cell. 2007 Aug 3;27(3):486-97. PMID:17679096 doi:10.1016/j.molcel.2007.06.015

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