2zv8

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[[Image:2zv8.png|left|200px]]
 
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{{STRUCTURE_2zv8| PDB=2zv8 | SCENE= }}
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==Lyn Tyrosine Kinase Domain-AMP-PNP complex==
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<StructureSection load='2zv8' size='340' side='right'caption='[[2zv8]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2zv8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZV8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ZV8 FirstGlance]. <br>
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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]] 2.7&#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=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene></td></tr>
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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=2zv8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2zv8 OCA], [https://pdbe.org/2zv8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2zv8 RCSB], [https://www.ebi.ac.uk/pdbsum/2zv8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2zv8 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/LYN_MOUSE LYN_MOUSE] Non-receptor tyrosine-protein kinase that transmits signals from cell surface receptors and plays an important role in the regulation of innate and adaptive immune responses, hematopoiesis, responses to growth factors and cytokines, integrin signaling, but also responses to DNA damage and genotoxic agents. Functions primarily as negative regulator, but can also function as activator, depending on the context. Required for the initiation of the B-cell response, but also for its down-regulation and termination. Plays an important role in the regulation of B-cell differentiation, proliferation, survival and apoptosis, and is important for immune self-tolerance. Acts downstream of several immune receptors, including the B-cell receptor, CD79A, CD79B, CD5, CD19, CD22, FCER1, FCGR2, FCGR1A, TLR2 and TLR4. Plays a role in the inflammatory response to bacterial lipopolysaccharide. Mediates the responses to cytokines and growth factors in hematopoietic progenitors, platelets, erythrocytes, and in mature myeloid cells, such as dendritic cells, neutrophils and eosinophils. Acts downstream of EPOR, KIT, MPL, the chemokine receptor CXCR4, as well as the receptors for IL3, IL5 and CSF2. Plays an important role in integrin signaling. Regulates cell proliferation, survival, differentiation, migration, adhesion, degranulation, and cytokine release. Down-regulates signaling pathways by phosphorylation of immunoreceptor tyrosine-based inhibitory motifs (ITIM), that then serve as binding sites for phosphatases, such as PTPN6/SHP-1, PTPN11/SHP-2 and INPP5D/SHIP-1, that modulate signaling by dephosphorylation of kinases and their substrates. Phosphorylates LIME1 in response to CD22 activation. Phosphorylates BTK, CBL, CD5, CD19, CD72, CD79A, CD79B, CSF2RB, DOK1, HCLS1, LILRB3/PIR-B, MS4A2/FCER1B, PTK2B/PYK2, SYK and TEC. Promotes phosphorylation of SIRPA, PTPN6/SHP-1, PTPN11/SHP-2 and INPP5D/SHIP-1. Required for rapid phosphorylation of FER in response to FCER1 activation. Mediates KIT phosphorylation. Acts as an effector of EPOR (erythropoietin receptor) in controlling KIT expression and may play a role in erythroid differentiation during the switch between proliferation and maturation. Depending on the context, activates or inhibits several signaling cascades. Regulates phosphatidylinositol 3-kinase activity and AKT1 activation. Regulates activation of the MAP kinase signaling cascade, including activation of MAP2K1/MEK1, MAPK1/ERK2, MAPK3/ERK1, MAPK8/JNK1 and MAPK9/JNK2. Mediates activation of STAT5A and/or STAT5B. Phosphorylates LPXN on 'Tyr-72'.<ref>PMID:15335855</ref> <ref>PMID:7513017</ref> <ref>PMID:8128248</ref> <ref>PMID:7585947</ref> <ref>PMID:7584145</ref> <ref>PMID:8621063</ref> <ref>PMID:9064343</ref> <ref>PMID:8629002</ref> <ref>PMID:9252121</ref> <ref>PMID:9036984</ref> <ref>PMID:9573010</ref> <ref>PMID:9601638</ref> <ref>PMID:9480991</ref> <ref>PMID:9547345</ref> <ref>PMID:9469421</ref> <ref>PMID:9590210</ref> <ref>PMID:10594694</ref> <ref>PMID:10327049</ref> <ref>PMID:10672044</ref> <ref>PMID:10640270</ref> <ref>PMID:11007759</ref> <ref>PMID:11435302</ref> <ref>PMID:11672542</ref> <ref>PMID:12077122</ref> <ref>PMID:12874221</ref> <ref>PMID:14726379</ref> <ref>PMID:14525964</ref> <ref>PMID:16116174</ref> <ref>PMID:16034130</ref> <ref>PMID:16272347</ref> <ref>PMID:16249387</ref> <ref>PMID:16731527</ref> <ref>PMID:17640867</ref> <ref>PMID:19492092</ref> <ref>PMID:20189992</ref> <ref>PMID:20385881</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/zv/2zv8_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=2zv8 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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The Src-family protein-tyrosine kinase (PTK) Lyn is the most important Src-family kinase in B cells, having both inhibitory and stimulatory activity that is dependent on the receptor, ligand, and developmental context of the B cell. An important role for Lyn has been reported in acute myeloid leukemia and chronic myeloid leukemia, as well as certain solid tumors. Although several Src-family inhibitors are available, the development of Lyn-specific inhibitors, or inhibitors with reduced off-target activity to Lyn, has been hampered by the lack of structural data on the Lyn kinase. Here we report the crystal structure of the non-liganded form of Lyn kinase domain, as well as in complex with three different inhibitors: the ATP analogue AMP-PNP; the pan Src kinase inhibitor PP2; and the BCR-Abl/Src-family inhibitor Dasatinib. The Lyn kinase domain was determined in its "active" conformation, but in the unphosphorylated state. All three inhibitors are bound at the ATP-binding site, with PP2 and Dasatinib extending into a hydrophobic pocket deep in the substrate cleft, thereby providing a basis for the Src-specific inhibition. Analysis of sequence and structural differences around the active site region of the Src-family PTKs were evident. Accordingly, our data provide valuable information for the further development of therapeutics targeting Lyn and the important Src-family of kinases.
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===Lyn Tyrosine Kinase Domain-AMP-PNP complex===
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Crystal structures of the Lyn protein tyrosine kinase domain in its Apo- and inhibitor-bound state.,Williams NK, Lucet IS, Klinken SP, Ingley E, Rossjohn J J Biol Chem. 2009 Jan 2;284(1):284-91. Epub 2008 Nov 4. PMID:18984583<ref>PMID:18984583</ref>
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{{ABSTRACT_PUBMED_18984583}}
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 2zv8" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[2zv8]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZV8 OCA].
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*[[Tyrosine kinase 3D structures|Tyrosine kinase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:018984583</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Non-specific protein-tyrosine kinase]]
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[[Category: Rossjohn J]]
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[[Category: Rossjohn, J.]]
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[[Category: Williams NK]]
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[[Category: Williams, N K.]]
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[[Category: Atp-binding]]
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[[Category: Kinase]]
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[[Category: Lipoprotein]]
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[[Category: Lyn kinase amppnp]]
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[[Category: Myristate]]
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[[Category: Nucleotide-binding]]
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[[Category: Palmitate]]
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[[Category: Phosphoprotein]]
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[[Category: Proto-oncogene]]
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[[Category: Sh2 domain]]
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[[Category: Sh3 domain]]
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[[Category: Transferase]]
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[[Category: Tyrosine-protein kinase]]
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Current revision

Lyn Tyrosine Kinase Domain-AMP-PNP complex

PDB ID 2zv8

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