View source for 8gii


==TEM-1 Beta Lactamase Variant 80.a==
<StructureSection load='8gii' size='340' side='right'caption='[[8gii]], [[Resolution|resolution]] 1.83&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[8gii]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8GII OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8GII 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]] 1.83&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</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=8gii FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8gii OCA], [https://pdbe.org/8gii PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8gii RCSB], [https://www.ebi.ac.uk/pdbsum/8gii PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8gii ProSAT]</span></td></tr>
</table>
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== Publication Abstract from PubMed ==
A major challenge in protein design is to augment existing functional proteins with multiple property enhancements. Altering several properties likely necessitates numerous primary sequence changes, and novel methods are needed to accurately predict combinations of mutations that maintain or enhance function. Models of sequence co-variation (e.g., EVcouplings), which leverage extensive information about various protein properties and activities from homologous protein sequences, have proven effective for many applications including structure determination and mutation effect prediction. We apply EVcouplings to computationally design variants of the model protein TEM-1 beta-lactamase. Nearly all the 14 experimentally characterized designs were functional, including one with 84 mutations from the nearest natural homolog. The designs also had large increases in thermostability, increased activity on multiple substrates, and nearly identical structure to the wild type enzyme. This study highlights the efficacy of evolutionary models in guiding large sequence alterations to generate functional diversity for protein design applications.

Simultaneous enhancement of multiple functional properties using evolution-informed protein design.,Fram B, Su Y, Truebridge I, Riesselman AJ, Ingraham JB, Passera A, Napier E, Thadani NN, Lim S, Roberts K, Kaur G, Stiffler MA, Marks DS, Bahl CD, Khan AR, Sander C, Gauthier NP Nat Commun. 2024 Jun 20;15(1):5141. doi: 10.1038/s41467-024-49119-x. PMID:38902262<ref>PMID:38902262</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 8gii" style="background-color:#fffaf0;"></div>
== References ==
<references/>
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Fram BF]]
[[Category: Gauthier NP]]
[[Category: Khan AR]]
[[Category: Sander C]]