5nbw: Difference between revisions
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The | ==Crystal structure of the Fab fragment 22F12 in complex with 3-hydroxybenzo[a]pyrene== | ||
<StructureSection load='5nbw' size='340' side='right'caption='[[5nbw]], [[Resolution|resolution]] 2.40Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[5nbw]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5NBW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5NBW 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]] 2.4Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=8SK:benzo[a]pyren-3-ol'>8SK</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=5nbw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5nbw OCA], [https://pdbe.org/5nbw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5nbw RCSB], [https://www.ebi.ac.uk/pdbsum/5nbw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5nbw ProSAT]</span></td></tr> | |||
</table> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Benzo[a]pyrene, which is produced during the incomplete combustion of organic material, is an abundant noxious pollutant because of its carcinogenic metabolic degradation products. The high-affinity (KD approximately 3 nm) monoclonal antibody 22F12 allows facile bioanalytical quantification of benzo[a]pyrene even in complex matrices. We report the functional and X-ray crystallographic analysis of 22F12 in complex with 3-hydroxybenzo[a]pyrene after cloning of the V-genes and production as a recombinant Fab fragment. The polycyclic aromatic hydrocarbon is bound in a deep pocket between the light and heavy chains, surrounded mainly by aromatic and aliphatic amino acid side chains. Interestingly, the hapten-antibody interface is less densely packed than expected and reveals polar, H-bond-like interactions with the polycyclic aromatic pi-electron system, which may allow the antibody to maintain a large, predominantly hydrophobic binding site in an aqueous environment while providing sufficient complementarity to its ligand. | |||
Tight Molecular Recognition of Benzo[a]pyrene by a High-Affinity Antibody.,Eichinger A, Neumaier I, Pschenitza M, Niessner R, Knopp D, Skerra A Angew Chem Int Ed Engl. 2017 Aug 21;56(35):10592-10597. doi:, 10.1002/anie.201703893. Epub 2017 Jul 21. PMID:28603847<ref>PMID:28603847</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
[[Category: | </div> | ||
[[Category: Eichinger | <div class="pdbe-citations 5nbw" style="background-color:#fffaf0;"></div> | ||
[[Category: Skerra | == References == | ||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Mus musculus]] | |||
[[Category: Eichinger A]] | |||
[[Category: Skerra A]] | |||
Latest revision as of 12:45, 15 November 2023
Crystal structure of the Fab fragment 22F12 in complex with 3-hydroxybenzo[a]pyrene
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