4eik

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4eik]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EIK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EIK FirstGlance]. <br>
<table><tr><td colspan='2'>[[4eik]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EIK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EIK FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
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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]] 1.6&#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=NA:SODIUM+ION'>NA</scene></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=4eik FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4eik OCA], [https://pdbe.org/4eik PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4eik RCSB], [https://www.ebi.ac.uk/pdbsum/4eik PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4eik 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=4eik FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4eik OCA], [https://pdbe.org/4eik PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4eik RCSB], [https://www.ebi.ac.uk/pdbsum/4eik PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4eik ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/FYN_HUMAN FYN_HUMAN]] Non-receptor tyrosine-protein kinase that plays a role in many biological processes including regulation of cell growth and survival, cell adhesion, integrin-mediated signaling, cytoskeletal remodeling, cell motility, immune response and axon guidance. Inactive FYN is phosphorylated on its C-terminal tail within the catalytic domain. Following activation by PKA, the protein subsequently associates with PTK2/FAK1, allowing PTK2/FAK1 phosphorylation, activation and targeting to focal adhesions. Involved in the regulation of cell adhesion and motility through phosphorylation of CTNNB1 (beta-catenin) and CTNND1 (delta-catenin). Regulates cytoskeletal remodeling by phosphorylating several proteins including the actin regulator WAS and the microtubule-associated proteins MAP2 and MAPT. Promotes cell survival by phosphorylating AGAP2/PIKE-A and preventing its apoptotic cleavage. Participates in signal transduction pathways that regulate the integrity of the glomerular slit diaphragm (an essential part of the glomerular filter of the kidney) by phosphorylating several slit diaphragm components including NPHS1, KIRREL and TRPC6. Plays a role in neural processes by phosphorylating DPYSL2, a multifunctional adapter protein within the central nervous system, ARHGAP32, a regulator for Rho family GTPases implicated in various neural functions, and SNCA, a small pre-synaptic protein. Participates in the downstream signaling pathways that lead to T-cell differentiation and proliferation following T-cell receptor (TCR) stimulation. Also participates in negative feedback regulation of TCR signaling through phosphorylation of PAG1, thereby promoting interaction between PAG1 and CSK and recruitment of CSK to lipid rafts. CSK maintains LCK and FYN in an inactive form. Promotes CD28-induced phosphorylation of VAV1.<ref>PMID:7822789</ref> <ref>PMID:7568038</ref> <ref>PMID:11005864</ref> <ref>PMID:11162638</ref> <ref>PMID:11536198</ref> <ref>PMID:12788081</ref> <ref>PMID:12640114</ref> <ref>PMID:14761972</ref> <ref>PMID:15557120</ref> <ref>PMID:14707117</ref> <ref>PMID:15536091</ref> <ref>PMID:16387660</ref> <ref>PMID:16841086</ref> <ref>PMID:17194753</ref> <ref>PMID:18056706</ref> <ref>PMID:18258597</ref> <ref>PMID:19179337</ref> <ref>PMID:19652227</ref> <ref>PMID:20100835</ref>
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[https://www.uniprot.org/uniprot/FYN_HUMAN FYN_HUMAN] Non-receptor tyrosine-protein kinase that plays a role in many biological processes including regulation of cell growth and survival, cell adhesion, integrin-mediated signaling, cytoskeletal remodeling, cell motility, immune response and axon guidance. Inactive FYN is phosphorylated on its C-terminal tail within the catalytic domain. Following activation by PKA, the protein subsequently associates with PTK2/FAK1, allowing PTK2/FAK1 phosphorylation, activation and targeting to focal adhesions. Involved in the regulation of cell adhesion and motility through phosphorylation of CTNNB1 (beta-catenin) and CTNND1 (delta-catenin). Regulates cytoskeletal remodeling by phosphorylating several proteins including the actin regulator WAS and the microtubule-associated proteins MAP2 and MAPT. Promotes cell survival by phosphorylating AGAP2/PIKE-A and preventing its apoptotic cleavage. Participates in signal transduction pathways that regulate the integrity of the glomerular slit diaphragm (an essential part of the glomerular filter of the kidney) by phosphorylating several slit diaphragm components including NPHS1, KIRREL and TRPC6. Plays a role in neural processes by phosphorylating DPYSL2, a multifunctional adapter protein within the central nervous system, ARHGAP32, a regulator for Rho family GTPases implicated in various neural functions, and SNCA, a small pre-synaptic protein. Participates in the downstream signaling pathways that lead to T-cell differentiation and proliferation following T-cell receptor (TCR) stimulation. Also participates in negative feedback regulation of TCR signaling through phosphorylation of PAG1, thereby promoting interaction between PAG1 and CSK and recruitment of CSK to lipid rafts. CSK maintains LCK and FYN in an inactive form. Promotes CD28-induced phosphorylation of VAV1.<ref>PMID:7822789</ref> <ref>PMID:7568038</ref> <ref>PMID:11005864</ref> <ref>PMID:11162638</ref> <ref>PMID:11536198</ref> <ref>PMID:12788081</ref> <ref>PMID:12640114</ref> <ref>PMID:14761972</ref> <ref>PMID:15557120</ref> <ref>PMID:14707117</ref> <ref>PMID:15536091</ref> <ref>PMID:16387660</ref> <ref>PMID:16841086</ref> <ref>PMID:17194753</ref> <ref>PMID:18056706</ref> <ref>PMID:18258597</ref> <ref>PMID:19179337</ref> <ref>PMID:19652227</ref> <ref>PMID:20100835</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Transposable elements have played a critical role in the creation of new genes in all higher eukaryotes, including humans. Although the chimeric fusion protein SETMAR is no longer active as a transposase, it contains both the DNA-binding domain (DBD) and catalytic domain of the Hsmar1 transposase. The amino-acid sequence of the DBD has been virtually unchanged in 50 million years and, as a consequence, SETMAR retains its sequence-specific binding to the ancestral Hsmar1 terminal inverted repeat (TIR) sequence. Thus, the DNA-binding activity of SETMAR is likely to have an important biological function. To determine the structural basis for the recognition of TIR DNA by SETMAR, the design of TIR-containing oligonucleotides and SETMAR DBD variants, crystallization of DBD-DNA complexes, phasing strategies and initial phasing experiments are reported here. An unexpected finding was that oligonucleotides containing two BrdUs in place of thymidines produced better quality crystals in complex with SETMAR than their natural counterparts.
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Crystallization of and selenomethionine phasing strategy for a SETMAR-DNA complex.,Chen Q, Georgiadis M Acta Crystallogr F Struct Biol Commun. 2016 Sep;72(Pt 9):713-9. doi:, 10.1107/S2053230X16012723. Epub 2016 Aug 26. PMID:27599863<ref>PMID:27599863</ref>
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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 4eik" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==

Current revision

Crystal Structure of the Human Fyn SH3 domain in complex with the synthetic peptide VSL12

PDB ID 4eik

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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