3trw

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Current revision (13:37, 14 March 2024) (edit) (undo)
 
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<StructureSection load='3trw' size='340' side='right'caption='[[3trw]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
<StructureSection load='3trw' size='340' side='right'caption='[[3trw]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3trw]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3TRW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3TRW FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3trw]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3TRW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3TRW FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3tjw|3tjw]], [[3trv|3trv]], [[3try|3try]]</div></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]] 2.1&#8491;</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=3trw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3trw OCA], [https://pdbe.org/3trw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3trw RCSB], [https://www.ebi.ac.uk/pdbsum/3trw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3trw 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=3trw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3trw OCA], [https://pdbe.org/3trw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3trw RCSB], [https://www.ebi.ac.uk/pdbsum/3trw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3trw ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/VILI_CHICK VILI_CHICK]] Epithelial cell-specific Ca(2+)-regulated actin-modifying protein that modulates the reorganization of microvillar actin filaments. Plays a role in the actin nucleation, actin filament bundle assembly, actin filament capping and severing. Binds phosphatidylinositol 4,5-bisphosphate (PIP2) and lysophosphatidic acid (LPA); binds LPA with higher affinity than PIP2. Binding to LPA increases its phosphorylation by SRC and inhibits all actin-modifying activities. Binding to PIP2 inhibits actin-capping and -severing activities but enhances actin-bundling activity. Regulates the intestinal epithelial cell morphology, cell invasion, cell migration and apoptosis. Protects against apoptosis induced by dextran sodium sulfate (DSS) in the gastrointestinal epithelium. Appears to regulate cell death by maintaining mitochondrial integrity. Enhances hepatocyte growth factor (HGF)-induced epithelial cell motility, chemotaxis and wound repair (By similarity). Its actin-bundling activity is inhibited by tropomyosin.<ref>PMID:3793760</ref> <ref>PMID:1618806</ref>
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[https://www.uniprot.org/uniprot/VILI_CHICK VILI_CHICK] Epithelial cell-specific Ca(2+)-regulated actin-modifying protein that modulates the reorganization of microvillar actin filaments. Plays a role in the actin nucleation, actin filament bundle assembly, actin filament capping and severing. Binds phosphatidylinositol 4,5-bisphosphate (PIP2) and lysophosphatidic acid (LPA); binds LPA with higher affinity than PIP2. Binding to LPA increases its phosphorylation by SRC and inhibits all actin-modifying activities. Binding to PIP2 inhibits actin-capping and -severing activities but enhances actin-bundling activity. Regulates the intestinal epithelial cell morphology, cell invasion, cell migration and apoptosis. Protects against apoptosis induced by dextran sodium sulfate (DSS) in the gastrointestinal epithelium. Appears to regulate cell death by maintaining mitochondrial integrity. Enhances hepatocyte growth factor (HGF)-induced epithelial cell motility, chemotaxis and wound repair (By similarity). Its actin-bundling activity is inhibited by tropomyosin.<ref>PMID:3793760</ref> <ref>PMID:1618806</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Quasiracemic crystallization has been used to obtain high-resolution structures of two variants of the villin headpiece subdomain (VHP) that contain a pentafluorophenylalanine (F(5)Phe) residue in the hydrophobic core. In each case, the crystal contained the variant constructed from l-amino acids and the native sequence constructed from d-amino acids. We were motivated to undertake these studies by reports that racemic proteins crystallize more readily than homochiral forms and the prospect that quasiracemic crystallization would enable us to determine whether a polypeptide containing a noncanonical residue can closely mimic the tertiary structure of the native sequence. The results suggest that quasiracemic crystallization may prove to be generally useful for assessing mimicry of naturally evolved protein folding patterns by polypeptides that contain unnatural side-chain or backbone subunits.
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Quasiracemic Crystallization as a Tool To Assess the Accommodation of Noncanonical Residues in Nativelike Protein Conformations.,Mortenson DE, Satyshur KA, Guzei IA, Forest KT, Gellman SH J Am Chem Soc. 2012 Jan 18. PMID:22280019<ref>PMID:22280019</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 3trw" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Gallus gallus]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Forest, K T]]
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[[Category: Forest KT]]
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[[Category: Gellman, S H]]
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[[Category: Gellman SH]]
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[[Category: Mortenson, D E]]
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[[Category: Mortenson DE]]
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[[Category: Satyshur, K A]]
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[[Category: Satyshur KA]]
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[[Category: D-amino acid]]
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[[Category: Quasi-racemate]]
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[[Category: Racemate]]
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[[Category: Structural protein]]
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Current revision

Crystal structure of racemic villin headpiece subdomain crystallized in space group P-1

PDB ID 3trw

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