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==NMR solution structures of FRS2a PTB domain with neurotrophin receptor TrkB==
==NMR solution structures of FRS2a PTB domain with neurotrophin receptor TrkB==
<StructureSection load='2mfq' size='340' side='right'caption='[[2mfq]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
<StructureSection load='2mfq' size='340' side='right'caption='[[2mfq]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2mfq]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2MFQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2MFQ FirstGlance]. <br>
<table><tr><td colspan='2'>[[2mfq]] is a 2 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=2MFQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2MFQ FirstGlance]. <br>
</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=PTR:O-PHOSPHOTYROSINE'>PTR</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 20 models</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">FRS2 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PTR:O-PHOSPHOTYROSINE'>PTR</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Receptor_protein-tyrosine_kinase Receptor protein-tyrosine kinase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.10.1 2.7.10.1] </span></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=2mfq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2mfq OCA], [https://pdbe.org/2mfq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2mfq RCSB], [https://www.ebi.ac.uk/pdbsum/2mfq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2mfq ProSAT]</span></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=2mfq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2mfq OCA], [https://pdbe.org/2mfq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2mfq RCSB], [https://www.ebi.ac.uk/pdbsum/2mfq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2mfq ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
[[https://www.uniprot.org/uniprot/NTRK2_HUMAN NTRK2_HUMAN]] Defects in NTRK2 are the cause of obesity hyperphagia and developmental delay (OHPDD) [MIM:[https://omim.org/entry/613886 613886]]. OHPDD is a disorder characterized by early-onset obesity, hyperphagia, and severe developmental delay in motor function, speech, and language.<ref>PMID:15494731</ref> 
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/FRS2_HUMAN FRS2_HUMAN]] Adapter protein that links activated FGR and NGF receptors to downstream signaling pathways. Plays an important role in the activation of MAP kinases and in the phosphorylation of PIK3R1, the regulatory subunit of phosphatidylinositol 3-kinase, in response to ligand-mediated activation of FGFR1. Modulates signaling via SHC1 by competing for a common binding site on NTRK1.<ref>PMID:12974390</ref> <ref>PMID:21765395</ref> [[https://www.uniprot.org/uniprot/NTRK2_HUMAN NTRK2_HUMAN]] Receptor tyrosine kinase involved in the development and the maturation of the central and the peripheral nervous systems through regulation of neuron survival, proliferation, migration, differentiation, and synapse formation and plasticity. Receptor for BDNF/brain-derived neurotrophic factor and NTF4/neurotrophin-4. Alternatively can also bind NTF3/neurotrophin-3 which is less efficient in activating the receptor but regulates neuron survival through NTRK2. Upon ligand-binding, undergoes homodimerization, autophosphorylation and activation. Recruits, phosphorylates and/or activates several downstream effectors including SHC1, FRS2, SH2B1, SH2B2 and PLCG1 that regulate distinct overlapping signaling cascades. Through SHC1, FRS2, SH2B1, SH2B2 activates the GRB2-Ras-MAPK cascade that regulates for instance neuronal differentiation including neurite outgrowth. Through the same effectors controls the Ras-PI3 kinase-AKT1 signaling cascade that mainly regulates growth and survival. Through PLCG1 and the downstream protein kinase C-regulated pathways controls synaptic plasticity. Thereby, plays a role in learning and memory by regulating both short term synaptic function and long-term potentiation. PLCG1 also leads to NF-Kappa-B activation and the transcription of genes involved in cell survival. Hence, it is able to suppress anoikis, the apoptosis resulting from loss of cell-matrix interactions. May also play a role in neutrophin-dependent calcium signaling in glial cells and mediate communication between neurons and glia.<ref>PMID:15494731</ref> 
[https://www.uniprot.org/uniprot/FRS2_HUMAN FRS2_HUMAN] Adapter protein that links activated FGR and NGF receptors to downstream signaling pathways. Plays an important role in the activation of MAP kinases and in the phosphorylation of PIK3R1, the regulatory subunit of phosphatidylinositol 3-kinase, in response to ligand-mediated activation of FGFR1. Modulates signaling via SHC1 by competing for a common binding site on NTRK1.<ref>PMID:12974390</ref> <ref>PMID:21765395</ref>  
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Receptor protein-tyrosine kinase]]
[[Category: Zeng L]]
[[Category: Zeng, L]]
[[Category: Zhou M]]
[[Category: Zhou, M]]
[[Category: Transferase]]

Latest revision as of 09:18, 6 November 2024

NMR solution structures of FRS2a PTB domain with neurotrophin receptor TrkB

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