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[[Image:2lk4.jpg|left|200px]]


{{STRUCTURE_2lk4| PDB=2lk4 |  SCENE= }}
==Structural and mechanistic insights into the interaction between PAT Pyk2 and Paxillin LD motif==
<StructureSection load='2lk4' size='340' side='right'caption='[[2lk4]]' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2lk4]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LK4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2LK4 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2lk4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2lk4 OCA], [https://pdbe.org/2lk4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2lk4 RCSB], [https://www.ebi.ac.uk/pdbsum/2lk4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2lk4 ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/FAK2_HUMAN FAK2_HUMAN] Note=Aberrant PTK2B/PYK2 expression may play a role in cancer cell proliferation, migration and invasion, in tumor formation and metastasis. Elevated PTK2B/PYK2 expression is seen in gliomas, hepatocellular carcinoma, lung cancer and breast cancer.<ref>PMID:18339875</ref> <ref>PMID:18765415</ref> <ref>PMID:19648005</ref> <ref>PMID:21533080</ref> <ref>PMID:20001213</ref> <ref>PMID:19428251</ref> <ref>PMID:19244237</ref>
== Function ==
[https://www.uniprot.org/uniprot/FAK2_HUMAN FAK2_HUMAN] Non-receptor protein-tyrosine kinase that regulates reorganization of the actin cytoskeleton, cell polarization, cell migration, adhesion, spreading and bone remodeling. Plays a role in the regulation of the humoral immune response, and is required for normal levels of marginal B-cells in the spleen and normal migration of splenic B-cells. Required for normal macrophage polarization and migration towards sites of inflammation. Regulates cytoskeleton rearrangement and cell spreading in T-cells, and contributes to the regulation of T-cell responses. Promotes osteoclastic bone resorption; this requires both PTK2B/PYK2 and SRC. May inhibit differentiation and activity of osteoprogenitor cells. Functions in signaling downstream of integrin and collagen receptors, immune receptors, G-protein coupled receptors (GPCR), cytokine, chemokine and growth factor receptors, and mediates responses to cellular stress. Forms multisubunit signaling complexes with SRC and SRC family members upon activation; this leads to the phosphorylation of additional tyrosine residues, creating binding sites for scaffold proteins, effectors and substrates. Regulates numerous signaling pathways. Promotes activation of phosphatidylinositol 3-kinase and of the AKT1 signaling cascade. Promotes activation of NOS3. Regulates production of the cellular messenger cGMP. Promotes activation of the MAP kinase signaling cascade, including activation of MAPK1/ERK2, MAPK3/ERK1 and MAPK8/JNK1. Promotes activation of Rho family GTPases, such as RHOA and RAC1. Recruits the ubiquitin ligase MDM2 to P53/TP53 in the nucleus, and thereby regulates P53/TP53 activity, P53/TP53 ubiquitination and proteasomal degradation. Acts as a scaffold, binding to both PDPK1 and SRC, thereby allowing SRC to phosphorylate PDPK1 at 'Tyr-9, 'Tyr-373', and 'Tyr-376'. Promotes phosphorylation of NMDA receptors by SRC family members, and thereby contributes to the regulation of NMDA receptor ion channel activity and intracellular Ca(2+) levels. May also regulate potassium ion transport by phosphorylation of potassium channel subunits. Phosphorylates SRC; this increases SRC kinase activity. Phosphorylates ASAP1, NPHP1, KCNA2 and SHC1. Promotes phosphorylation of ASAP2, RHOU and PXN; this requires both SRC and PTK2/PYK2.<ref>PMID:7544443</ref> <ref>PMID:8849729</ref> <ref>PMID:8670418</ref> <ref>PMID:10022920</ref> <ref>PMID:12771146</ref> <ref>PMID:12893833</ref> <ref>PMID:14585963</ref> <ref>PMID:15050747</ref> <ref>PMID:15166227</ref> <ref>PMID:17634955</ref> <ref>PMID:18339875</ref> <ref>PMID:18765415</ref> <ref>PMID:18086875</ref> <ref>PMID:18587400</ref> <ref>PMID:19207108</ref> <ref>PMID:19648005</ref> <ref>PMID:19086031</ref> <ref>PMID:20521079</ref> <ref>PMID:19880522</ref> <ref>PMID:20381867</ref> <ref>PMID:21357692</ref> <ref>PMID:21533080</ref> <ref>PMID:20001213</ref> <ref>PMID:19428251</ref> <ref>PMID:19244237</ref>


===Structural and mechanistic insights into the interaction between PAT Pyk2 and Paxillin LD motif===
==See Also==
 
*[[Tyrosine kinase 3D structures|Tyrosine kinase 3D structures]]
 
== References ==
==About this Structure==
<references/>
[[2lk4]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LK4 OCA].
__TOC__
[[Category: Non-specific protein-tyrosine kinase]]
</StructureSection>
[[Category: Guibao, C.]]
[[Category: Homo sapiens]]
[[Category: Miller, D.]]
[[Category: Large Structures]]
[[Category: Vanarotti, M.]]
[[Category: Guibao C]]
[[Category: Zheng, J.]]
[[Category: Miller D]]
[[Category: Transferase]]
[[Category: Vanarotti M]]
[[Category: Zheng J]]
Retrieved from "https://proteopedia.org/2lk4"