View source for 9cx4


==Acinetobacter baumannii BamA POTRAs 1-4, space group P1==
<StructureSection load='9cx4' size='340' side='right'caption='[[9cx4]], [[Resolution|resolution]] 2.78&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[9cx4]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Acinetobacter_baumannii Acinetobacter baumannii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9CX4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9CX4 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]] 2.78&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</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=9cx4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9cx4 OCA], [https://pdbe.org/9cx4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9cx4 RCSB], [https://www.ebi.ac.uk/pdbsum/9cx4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9cx4 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/A0A6F8TEF0_ACIBA A0A6F8TEF0_ACIBA] Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane.[HAMAP-Rule:MF_01430]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Recent studies have demonstrated BamA, the central component of the beta-barrel assembly machinery (BAM), as an important therapeutic target to combat infections caused by Acinetobacter baumannii and other Gram-negative pathogens. Homology modeling indicates BamA in A. baumannii consists of five polypeptide transport-associated (POTRA) domains and a beta-barrel membrane domain. We characterized the POTRA domains of BamA from A. baumannii in solution using size-exclusion chromatography small angle X-ray scattering (SEC-SAXS) analysis and determined crystal structures in two conformational states that are drastically different than those previously observed in BamA from other bacteria, indicating that the POTRA domains are even more conformationally dynamic than has been observed previously. Molecular dynamics simulations of the POTRA domains from A. baumannii and Escherichia coli allowed us to identify key structural features that contribute to the observed novel states. Together, these studies expand on our current understanding of the conformational plasticity within BamA across differing bacterial species.

Structural characterization of the POTRA domains from A. baumannii reveals new conformations in BamA.,Cottom CO, Stephenson R, Ricci D, Yang L, Gumbart JC, Noinaj N Structure. 2024 Sep 10:S0969-2126(24)00330-7. doi: 10.1016/j.str.2024.08.013. PMID:39293443<ref>PMID:39293443</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 9cx4" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Acinetobacter baumannii]]
[[Category: Large Structures]]
[[Category: Noinaj N]]
[[Category: Overly Cottom C]]