1qxk

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[[Image:1qxk.gif|left|200px]]
 
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==Monoacid-Based, Cell Permeable, Selective Inhibitors of Protein Tyrosine Phosphatase 1B==
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The line below this paragraph, containing "STRUCTURE_1qxk", creates the "Structure Box" on the page.
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<StructureSection load='1qxk' size='340' side='right'caption='[[1qxk]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1qxk]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QXK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QXK FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=429:2-{4-[2-ACETYLAMINO-3-(4-CARBOXYMETHOXY-3-HYDROXY-PHENYL)-PROPIONYLAMINO]-BUTOXY}-6-HYDROXY-BENZOIC+ACID+METHYL+ESTER'>429</scene></td></tr>
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{{STRUCTURE_1qxk| PDB=1qxk | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1qxk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qxk OCA], [https://pdbe.org/1qxk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qxk RCSB], [https://www.ebi.ac.uk/pdbsum/1qxk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qxk ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PTN1_HUMAN PTN1_HUMAN] Tyrosine-protein phosphatase which acts as a regulator of endoplasmic reticulum unfolded protein response. Mediates dephosphorylation of EIF2AK3/PERK; inactivating the protein kinase activity of EIF2AK3/PERK. May play an important role in CKII- and p60c-src-induced signal transduction cascades. May regulate the EFNA5-EPHA3 signaling pathway which modulates cell reorganization and cell-cell repulsion.<ref>PMID:21135139</ref> <ref>PMID:22169477</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qx/1qxk_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1qxk ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Monoacid-based PTP1B inhibitors with improved physiochemical properties have been investigated. A (2-hydroxy-phenoxy) acetic acid-based phosphotyrosyl mimetic has been linked with an optimized second arylphosphate binding site ligand to produce compound 20 with low micromolar potency against PTP1B, good selectivity over TCPTP (20-fold) and high cell permeability in the Caco-2 system.
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'''Monoacid-Based, Cell Permeable, Selective Inhibitors of Protein Tyrosine Phosphatase 1B'''
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Identification of a monoacid-based, cell permeable, selective inhibitor of protein tyrosine phosphatase 1B.,Xin Z, Liu G, Abad-Zapatero C, Pei Z, Szczepankiewicz BG, Li X, Zhang T, Hutchins CW, Hajduk PJ, Ballaron SJ, Stashko MA, Lubben TH, Trevillyan JM, Jirousek MR Bioorg Med Chem Lett. 2003 Nov 17;13(22):3947-50. PMID:14592481<ref>PMID:14592481</ref>
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==Overview==
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Monoacid-based PTP1B inhibitors with improved physiochemical properties have been investigated. A (2-hydroxy-phenoxy) acetic acid-based phosphotyrosyl mimetic has been linked with an optimized second arylphosphate binding site ligand to produce compound 20 with low micromolar potency against PTP1B, good selectivity over TCPTP (20-fold) and high cell permeability in the Caco-2 system.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1QXK is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QXK OCA].
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</div>
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<div class="pdbe-citations 1qxk" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Identification of a monoacid-based, cell permeable, selective inhibitor of protein tyrosine phosphatase 1B., Xin Z, Liu G, Abad-Zapatero C, Pei Z, Szczepankiewicz BG, Li X, Zhang T, Hutchins CW, Hajduk PJ, Ballaron SJ, Stashko MA, Lubben TH, Trevillyan JM, Jirousek MR, Bioorg Med Chem Lett. 2003 Nov 17;13(22):3947-50. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14592481 14592481]
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*[[Tyrosine phosphatase 3D structures|Tyrosine phosphatase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Protein-tyrosine-phosphatase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Abad-Zapatero C]]
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[[Category: Abad-Zapatero, C.]]
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[[Category: Ballaron SJ]]
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[[Category: Ballaron, S J.]]
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[[Category: Hajduk PJ]]
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[[Category: Hajduk, P J.]]
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[[Category: Hutchins CW]]
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[[Category: Hutchins, C W.]]
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[[Category: Jirousek MR]]
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[[Category: Jirousek, M R.]]
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[[Category: Li X]]
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[[Category: Li, X.]]
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[[Category: Liu G]]
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[[Category: Liu, G.]]
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[[Category: Lubben TH]]
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[[Category: Lubben, T H.]]
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[[Category: Pei Z]]
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[[Category: Pei, Z.]]
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[[Category: Stashko MA]]
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[[Category: Stashko, M A.]]
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[[Category: Szczepankiewick BG]]
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[[Category: Szczepankiewick, B G.]]
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[[Category: Trevillyan JM]]
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[[Category: Trevillyan, J M.]]
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[[Category: Xin Z]]
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[[Category: Xin, Z.]]
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[[Category: Zhang T]]
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[[Category: Zhang, T.]]
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[[Category: Protein tyrosine phosphatase 1b]]
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[[Category: Ptp1b monoacid-based and cell permeable]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 06:49:21 2008''
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Current revision

Monoacid-Based, Cell Permeable, Selective Inhibitors of Protein Tyrosine Phosphatase 1B

PDB ID 1qxk

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