PDB-101: Geis Archive: Myohemerythrin

<!DOCTYPE html> <html> <head> <script src="https://www.googletagmanager.com/gtag/js?id=G-EPQ9202NVY" async></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); //- gtag('config', 'UA-71059016-1'); gtag('config', 'G-EPQ9202NVY'); </script> <title>PDB-101: Geis Archive: Myohemerythrin</title> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta property="og:title" content="PDB101: Geis Archive: Myohemerythrin"> <meta property="og:description" content="<p>The colored print depicts the structure of myohemerythrin, which was first revealed by X-ray crystallography in 1975 (Hendrickson et al., 1975) and further refined in 1987 (Sheriff et al., 1987). Geis's illustration depicts the tertiary structure of the protein, highlighting the four anti-parallel alpha-helices and the presence of mu-oxo-diiron (iron atoms in red and oxygen atom in pink) located within the core of the macromolecule (Myohemerythrin).</p>"> <meta property="og:image" content="https://cdn.rcsb.org/pdb101/geis/images/tn/geis-0459-myohemerythrin.png"> <meta property="og:site_name" content="RCSB: PDB-101"> <meta name="twitter:card" content="summary"> <meta name="twitter:title" content="PDB101: Geis Archive: Myohemerythrin"> <meta name="twitter:description" content="<p>The colored print depicts the structure of myohemerythrin, which was first revealed by X-ray crystallography in 1975 (Hendrickson et al., 1975) and further refined in 1987 (Sheriff et al., 1987). Geis's illustration depicts the tertiary structure of the protein, highlighting the four anti-parallel alpha-helices and the presence of mu-oxo-diiron (iron atoms in red and oxygen atom in pink) located within the core of the macromolecule (Myohemerythrin).</p>"> <meta name="twitter:image" content="https://cdn.rcsb.org/pdb101/geis/images/tn/geis-0459-myohemerythrin.png"> <meta name="description" content="<p>The colored print depicts the structure of myohemerythrin, which was first revealed by X-ray crystallography in 1975 (Hendrickson et al., 1975) and further refined in 1987 (Sheriff et al., 1987). Geis's illustration depicts the tertiary structure of the protein, highlighting the four anti-parallel alpha-helices and the presence of mu-oxo-diiron (iron atoms in red and oxygen atom in pink) located within the core of the macromolecule (Myohemerythrin).</p>"> <meta name="keywords" content=" oxygen transporter activity, oxygen binding, oxygen storage">  <meta name="google-site-verification" content="A8M31jAX8SUgQYzbnF5r-wgykna2i5Hp4J9fziVD9Sg"> <link href="https://cdn.rcsb.org/pdb101/common/jquery-ui-1.11.4/jquery-ui.min.css" rel="stylesheet"> <link href="https://cdn.rcsb.org/javascript/bootstrap/latest/css/bootstrap.min.css" rel="stylesheet"> <link href="/ekko-lightbox/ekko-lightbox.css" rel="stylesheet"> <link href="https://cdn.rcsb.org/javascript/fontawesome/latest/css/font-awesome.min.css" rel="stylesheet"> <link href="https://cdn.rcsb.org/javascript/timeline3/css/timeline.css" rel="stylesheet"> <link href="/css/style.css?v=20171201" rel="stylesheet"> <link 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li.active > a:focus { background-color: #fff; color: #333; } .geis-logo {margin:20px 0;float:right;} #jsmol-iframe {width: 438px;height: 438px; margin: 0;} #tabs-jsmol {width: 440px;height: 440px; border: 1px solid #eee} a.btn-primary:visited { color: #fff; } </style> <script> // jsmol script var jsmolLoaded = false; function loadIframe() { if (jsmolLoaded == false) { var src = '/sci-art/geis-archive/jsmol/geis-0459-myohemerythrin'; $("#jsmol-iframe").attr('src', src); jsmolLoaded = true; } } </script> <div id="sub-navbar"> <div class="row hidden-print"> <div class="col-xs-12 col-sm-6 sub-navbar"> <h4>Geis Digital Archive</h4> </div> <div class="col-xs-12 col-sm-6 text-right sub-navbar"> <table> <tr> <td onclick="location.href="/sci-art/geis-archive/about"">About</td> <td onclick="location.href="/sci-art/geis-archive/gallery-by-date"">Gallery by Date</td> <td onclick="location.href="/sci-art/geis-archive/gallery-by-name"">Gallery by Name</td> <td onclick="location.href="/sci-art/geis-archive/irving-geis"">Irving Geis</td> </tr> </table> </div> </div> </div> <div data-elastic-include> <div class="row"> <div class="col-md-7 col-md-push-5 col-sm-12"> <div class="row"> <div class="col-xs-8"> <h1>Myohemerythrin</h1> <p>1985, 13 7/8" x 10 7/8"</p> </div> <div class="col-xs-4"><img src="https://cdn.rcsb.org/pdb101/geis/images/logos/geis-0459.png" class="img-responsive geis-logo"> </div> </div> <p><p>The colored print depicts the structure of myohemerythrin, which was first revealed by X-ray crystallography in 1975 (Hendrickson et al., 1975) and further refined in 1987 (Sheriff et al., 1987). Geis's illustration depicts the tertiary structure of the protein, highlighting the four anti-parallel alpha-helices and the presence of mu-oxo-diiron (iron atoms in red and oxygen atom in pink) located within the core of the macromolecule (Myohemerythrin).</p></p> <p><small><i>Used with permission from the Howard Hughes Medical Institute (<a href='http://www.hhmi.org', target='_blank'>www.hhmi.org</a>). All rights reserved.</i></small></p> <p><a href="/sci-art/geis-archive/reprint-request/geis-0459-myohemerythrin" class="btn btn-primary">Non-commercial Reprint Request</a></p> </div> <div style="margin-top:20px;" class="col-md-5 col-md-pull-7 col-sm-12"><a href="https://cdn.rcsb.org/pdb101/geis/images/1000w/geis-0459-myohemerythrin.png" data-toggle="lightbox" data-title="Myohemerythrin" data-footer="<i>Used with permission from the Howard Hughes Medical Institute (<a href="http://www.hhmi.org", target="_blank">www.hhmi.org</a>). All rights reserved.</i>"><img src="https://cdn.rcsb.org/pdb101/geis/images/600/geis-0459-myohemerythrin.png" class="img-responsive border"></a> </div> </div> <hr> <div class="row"> <div class="col-lg-5 col-sm-12"> <div id="media-tabs"> <ul class="nav nav-tabs"> <li class="active"><a data-toggle="tab" href="#tabs-image">Image</a></li> <li><a data-toggle="tab" href="#tabs-jsmol" onclick="loadIframe();">3D Interactive</a></li> <li><a data-toggle="tab" href="#tabs-video">Video</a></li> </ul> <div class="tab-content"> <div id="tabs-image" class="tab-pane active"><img src="https://cdn.rcsb.org/pdb101/geis/images/static/geis-0459-myohemerythrin.png" class="img-responsive"></div> <div id="tabs-jsmol" class="tab-pane"> <iframe id="jsmol-iframe" marginheight="0" marginwidth="0" scrolling="no" frameborder="0"></iframe> </div> <div id="tabs-video" class="tab-pane"> <video controls="yes" loop="yes" width="100%"> <source src="https://cdn.rcsb.org/pdb101/geis/mp4/geis-0459-myohemerythrin.mp4" type="video/mp4"> </video> </div> </div> </div> <p>Related PDB Entry: <a href='http://www.rcsb.org/pdb/explore/explore.do?structureId=2MHR' target='_blank'>2MHR</a></p> <h6>Experimental Structure Citation</h6> <p>Sheriff, S., Hendrickson, W. A., & Smith, J. L. (1987). Structure of myohemerythrin in the azidomet state at 1.7/1.3 脜 resolution. <i>J. Mol. Biol.</i> <b>197</b>, 273-296.</p> </div> <div class="col-lg-7 col-sm-12"> <h2>About Myohemerythrin</h2> <p><p>Myohemerythrin, like myoglobin, stores oxygen in the muscles of many marine invertebrates ("Myohemerythrin" website). The two iron atoms are responsible for binding oxygen. One iron atom (shown in red in static rendition) is coordinated by two histidine residues (His25 and His54) (orange and grey in static rendition) and the other iron atom (red in static rendition) is coordinated by three histidine residues (His73, His77, and His106) (orange and grey in static rendition). The iron atoms are bridged by glutamic (Glu58) and aspartic acid (Asp111) sidechains (grey in static rendition). They are also bridged by oxide (O2-) (pink in static rendition). Oxygen is capable of binding to azide (N3-) (blue in static rendition) as hydroperoxide (HO22-). The four helix bundle is stabilized by van der Waals interactions among buried hydrophobic residues.</p> <br> <p><b>Text References</b></p> <p>Myohemerythrin. University of Wisconsin - Eau Claire, Department of Chemistry, Interactive Biochemistry. URL: http://www.chem.uwec.edu/Modeling/GGProteinStructures/Pages/RPS/myohemerythrin/myohemerythrin.html.</p> <p><b>Initial Structure Determination References</b></p> <p>Hendrickson, W. A., Klippenstein, G. L., & Ward, K. B. (1975). Tertiary structure of myohemerythrin at low resolution. <i>Proc. Natl. Acad. Sci. USA</i>, <b>72</b>, 2160-2164.</p></p> </div> </div> </div> </div> <div id="footer_main" class="hidden-print"> <div class="container"> <div class="row"> <div class="col-sm-12 col-md-7"> <p><strong>About PDB-101</strong></p> <p>Researchers around the globe make 3D structures freely available from the Protein Data Bank (PDB) archive. 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PDB-101: Geis Archive: Myohemerythrin