View source for 8pvd


==Structure of catalase determined by cryoEM at 100 keV==
<StructureSection load='8pvd' size='340' side='right'caption='[[8pvd]], [[Resolution|resolution]] 3.40&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[8pvd]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8PVD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8PVD 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]] 3.4&#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>, <scene name='pdbligand=NDP:NADPH+DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NDP</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=8pvd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8pvd OCA], [https://pdbe.org/8pvd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8pvd RCSB], [https://www.ebi.ac.uk/pdbsum/8pvd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8pvd ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/CATA_HUMAN CATA_HUMAN] Defects in CAT are the cause of acatalasemia (ACATLAS) [MIM:[https://omim.org/entry/614097 614097]. A metabolic disorder characterized by absence of catalase activity in red cells and is often associated with ulcerating oral lesions.<ref>PMID:2308162</ref> 
== Function ==
[https://www.uniprot.org/uniprot/CATA_HUMAN CATA_HUMAN] Occurs in almost all aerobically respiring organisms and serves to protect cells from the toxic effects of hydrogen peroxide. Promotes growth of cells including T-cells, B-cells, myeloid leukemia cells, melanoma cells, mastocytoma cells and normal and transformed fibroblast cells.<ref>PMID:7882369</ref> 
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Electron cryomicroscopy can, in principle, determine the structures of most biological molecules but is currently limited by access, specimen preparation difficulties, and cost. We describe a purpose-built instrument operating at 100 keV-including advances in electron optics, detection, and processing-that makes structure determination fast and simple at a fraction of current costs. The instrument attains its theoretical performance limits, allowing atomic resolution imaging of gold test specimens and biological molecular structure determination in hours. We demonstrate its capabilities by determining the structures of eleven different specimens, ranging in size from 140 kDa to 2 MDa, using a fraction of the data normally required. CryoEM with a microscope designed specifically for high-efficiency, on-the-spot imaging of biological molecules will expand structural biology to a wide range of previously intractable problems.

Structure determination by cryoEM at 100 keV.,McMullan G, Naydenova K, Mihaylov D, Yamashita K, Peet MJ, Wilson H, Dickerson JL, Chen S, Cannone G, Lee Y, Hutchings KA, Gittins O, Sobhy MA, Wells T, El-Gomati MM, Dalby J, Meffert M, Schulze-Briese C, Henderson R, Russo CJ Proc Natl Acad Sci U S A. 2023 Dec 5;120(49):e2312905120. doi: , 10.1073/pnas.2312905120. Epub 2023 Nov 27. PMID:38011573<ref>PMID:38011573</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 8pvd" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Cannone G]]
[[Category: Chen S]]
[[Category: Dalby J]]
[[Category: Dickerson JL]]
[[Category: El-Gomati MM]]
[[Category: Gittins O]]
[[Category: Henderson R]]
[[Category: Hutchings KA]]
[[Category: Lee Y]]
[[Category: McMullan G]]
[[Category: Meffert M]]
[[Category: Mihaylov D]]
[[Category: Naydenova K]]
[[Category: Peet MJ]]
[[Category: Russo CJ]]
[[Category: Schulze-Briese C]]
[[Category: Sobhy M]]
[[Category: Wells T]]
[[Category: Wilson H]]
[[Category: Yamashita K]]