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==The Cryo-EM structure of the Catalase-peroxidase from Escherichia coli==
<StructureSection load='7jz6' size='340' side='right'caption='[[7jz6]], [[Resolution|resolution]] 2.53&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7JZ6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7JZ6 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2.53&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</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=7jz6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7jz6 OCA], [https://pdbe.org/7jz6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7jz6 RCSB], [https://www.ebi.ac.uk/pdbsum/7jz6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7jz6 ProSAT]</span></td></tr>
</table>
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== Publication Abstract from PubMed ==
Single-particle cryo-electron microscopy (cryo-EM) has become a powerful technique in the field of structural biology. However, the inability to reliably produce pure, homogeneous membrane protein samples hampers the progress of their structural determination. Here, we develop a bottom-up iterative method, Build and Retrieve (BaR), that enables the identification and determination of cryo-EM structures of a variety of inner and outer membrane proteins, including membrane protein complexes of different sizes and dimensions, from a heterogeneous, impure protein sample. We also use the BaR methodology to elucidate structural information from Escherichia coli K12 crude membrane and raw lysate. The findings demonstrate that it is possible to solve high-resolution structures of a number of relatively small (&lt;100 kDa) and less abundant (&lt;10%) unidentified membrane proteins within a single, heterogeneous sample. Importantly, these results highlight the potential of cryo-EM for systems structural proteomics.

A 'Build and Retrieve' methodology to simultaneously solve cryo-EM structures of membrane proteins.,Su CC, Lyu M, Morgan CE, Bolla JR, Robinson CV, Yu EW Nat Methods. 2021 Jan;18(1):69-75. doi: 10.1038/s41592-020-01021-2. Epub 2021 Jan, 6. PMID:33408407<ref>PMID:33408407</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<div class="pdbe-citations 7jz6" style="background-color:#fffaf0;"></div>

==See Also==
*[[Catalase 3D structures|Catalase 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Su C-C]]