7sbd: Difference between revisions

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~~'''Unreleased structure'''~~

~~The entry~~ 7sbd is ~~ON HOLD~~

==Murine Fab/IgE in complex with profilin from Hevea brasieliensis (Hev b 8)==

== Structural highlights ==

<table><tr><td colspan='2'>[[7sbd]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Hevea_brasiliensis Hevea brasiliensis] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7SBD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7SBD FirstGlance]. <br>

</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.04Å</td></tr>

<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</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=7sbd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7sbd OCA], [https://pdbe.org/7sbd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7sbd RCSB], [https://www.ebi.ac.uk/pdbsum/7sbd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7sbd ProSAT]</span></td></tr>

</table>

== Function ==

[https://www.uniprot.org/uniprot/PROF2_HEVBR PROF2_HEVBR]

== Publication Abstract from PubMed ==

Allergies have become a rising health problem, where plentiful substances can trigger IgE-mediated allergies in humans. While profilins are considered minor allergens, these ubiquitous proteins are primary molecules involved in cross-reactivity and pollen-food allergy syndrome. Here we report the first crystal structures of murine Fab/IgE, with its chains naturally paired, in complex with the allergen profilin from Hevea brasiliensis (Hev b 8). The crystallographic models revealed that the IgE's six complementarity-determining regions (CDRs) interact with the allergen, comprising a rigid paratope-epitope surface of 926 A(2), which includes an extensive network of interactions. Interestingly, we also observed previously unreported flexibility at Fab/IgE's elbow angle, which did not influence the shape of the paratope. The Fab/IgE exhibits a high affinity for Hev b 8, even when using 1 M NaCl in BLI experiments. Finally, based on the encouraging cross-reactivity assays using two mutants of the maize profilin (Zea m 12), this antibody could be a promising tool in IgE engineering for diagnosis and research applications.

~~Authors~~:

A native IgE in complex with profilin provides insights into allergen recognition and cross-reactivity.,Garcia-Ramirez B, Mares-Mejia I, Rodriguez-Hernandez A, Cano-Sanchez P, Torres-Larios A, Ortega E, Rodriguez-Romero A Commun Biol. 2022 Jul 27;5(1):748. doi: 10.1038/s42003-022-03718-w. PMID:35902770<ref>PMID:35902770</ref>

~~Description~~:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>

[[Category: ~~Unreleased~~ Structures]]

</div>

==See Also==

*[[Antibody 3D structures|Antibody 3D structures]]

*[[Profilin 3D Structures|Profilin 3D Structures]]

== References ==

__TOC__

</StructureSection>

[[Category: Hevea brasiliensis]]

[[Category: Large Structures]]

[[Category: Mus musculus]]

[[Category: Garcia-Ramirez B]]

[[Category: Rodriguez-Romero A]]

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@@ Line 1: / Line 1: @@
-'''Unreleased structure'''
-The entry 7sbd is ON HOLD
+==Murine Fab/IgE in complex with profilin from Hevea brasieliensis (Hev b 8)==
+<StructureSection load='7sbd' size='340' side='right'caption='[[7sbd]], [[Resolution|resolution]] 3.04&Aring;' scene=''>
+== Structural highlights ==
+<table><tr><td colspan='2'>[[7sbd]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Hevea_brasiliensis Hevea brasiliensis] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7SBD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7SBD FirstGlance]. <br>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.04&#8491;</td></tr>
+<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</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=7sbd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7sbd OCA], [https://pdbe.org/7sbd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7sbd RCSB], [https://www.ebi.ac.uk/pdbsum/7sbd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7sbd ProSAT]</span></td></tr>
+</table>
+== Function ==
+[https://www.uniprot.org/uniprot/PROF2_HEVBR PROF2_HEVBR]
+<div style="background-color:#fffaf0;">
+== Publication Abstract from PubMed ==
+Allergies have become a rising health problem, where plentiful substances can trigger IgE-mediated allergies in humans. While profilins are considered minor allergens, these ubiquitous proteins are primary molecules involved in cross-reactivity and pollen-food allergy syndrome. Here we report the first crystal structures of murine Fab/IgE, with its chains naturally paired, in complex with the allergen profilin from Hevea brasiliensis (Hev b 8). The crystallographic models revealed that the IgE's six complementarity-determining regions (CDRs) interact with the allergen, comprising a rigid paratope-epitope surface of 926 A(2), which includes an extensive network of interactions. Interestingly, we also observed previously unreported flexibility at Fab/IgE's elbow angle, which did not influence the shape of the paratope. The Fab/IgE exhibits a high affinity for Hev b 8, even when using 1 M NaCl in BLI experiments. Finally, based on the encouraging cross-reactivity assays using two mutants of the maize profilin (Zea m 12), this antibody could be a promising tool in IgE engineering for diagnosis and research applications.
-Authors:
+A native IgE in complex with profilin provides insights into allergen recognition and cross-reactivity.,Garcia-Ramirez B, Mares-Mejia I, Rodriguez-Hernandez A, Cano-Sanchez P, Torres-Larios A, Ortega E, Rodriguez-Romero A Commun Biol. 2022 Jul 27;5(1):748. doi: 10.1038/s42003-022-03718-w. PMID:35902770<ref>PMID:35902770</ref>
-Description:
+From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
-[[Category: Unreleased Structures]]
+</div>
+<div class="pdbe-citations 7sbd" style="background-color:#fffaf0;"></div>
+==See Also==
+*[[Antibody 3D structures|Antibody 3D structures]]
+*[[Profilin 3D Structures|Profilin 3D Structures]]
+== References ==
+<references/>
+__TOC__
+</StructureSection>
+[[Category: Hevea brasiliensis]]
+[[Category: Large Structures]]
+[[Category: Mus musculus]]
+[[Category: Garcia-Ramirez B]]
+[[Category: Rodriguez-Romero A]]