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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Spidroin 2</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="wikitable hintergrundfarbe-basis infobox float-right" id="Vorlage_Infobox_Protein_Spidroin-2" style="font-size:90%; margin-top:0; width:350px;" summary="Infobox Protein">
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<th colspan="3" style="background:#90EE90; color:#202122;">Spidroin-2
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<td>Andere Namen
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<p>Dragline silk fibroin 2, Major ampullate Spidroin 2, MaSp-2
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<td><a href="Molare_Masse" title="Molare Masse">Masse</a>/Länge <a href="Prim%C3%A4rstruktur" title="Primärstruktur">Primärstruktur</a>
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<td colspan="2" style="text-align:center;">627 <a href="Aminos%C3%A4uren" title="Aminosäuren">Aminosäuren</a>, 54.184 <a href="Atomare_Masseneinheit" title="Atomare Masseneinheit">Da</a>
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<th colspan="3" style="background:#90EE90; color:#202122;">Bezeichner
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<td>Externe IDs
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<ul><li><a href="UniProt" title="UniProt">UniProt</a> <a rel="nofollow" class="external text" href="https://www.uniprot.org/uniprotkb/P46804">P46804</a></li></ul>
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</p><p><b>Spidroin 2</b> ist ein <a href="Faserprotein" class="mw-redirect" title="Faserprotein">Faserprotein</a> der <a href="Seide" title="Seide">Seide</a> der Spinne <i><a href="Nephila_clavipes" class="mw-redirect" title="Nephila clavipes">Nephila clavipes</a></i>. Es ist mit <a href="Fibroin" title="Fibroin">Fibroin</a> aus der <a href="Seidenraupe" class="mw-redirect" title="Seidenraupe">Seidenraupe</a> verwandt.
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<div class="mw-heading mw-heading2"><h2 id="Eigenschaften">Eigenschaften</h2></div>
<p>Spidroin 2 kommt in allen Typen der Spinnenfasern vor. Der große mittlere Teil der <a href="Aminos%C3%A4uresequenz" title="Aminosäuresequenz">Aminosäuresequenz</a> besteht teilweise aus Wiederholungen. Spidroin 2 besitzt das charakteristische Sequenzmotiv <a href="Glycin" title="Glycin">Glycin</a>-Glycin-<a href="Tyrosin" title="Tyrosin">Tyrosin</a>, wie auch <a href="Spidroin_1" title="Spidroin 1">Spidroin 1</a>,<sup id="cite_ref-Malay_1-0" class="reference"><a href="#cite_note-Malay-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> darüber hinaus auch die Motive Glycin-<a href="Phenylalanin" title="Phenylalanin">Phenylalanin</a> (GP) und <a href="Glutamin" title="Glutamin">Glutamin</a>-Glutamin (QQ).<sup id="cite_ref-Malay_1-1" class="reference"><a href="#cite_note-Malay-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Spidroin 2 ist <a href="Phosphoryliert" class="mw-redirect" title="Phosphoryliert">phosphoryliert</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Literatur">Literatur</h2></div>
<ul><li>M. Andersson, J. Johansson, A. Rising: <i>Silk Spinning in Silkworms and Spiders.</i> In: <i>International journal of molecular sciences.</i> Band 17, Nummer 8, August 2016, S. , <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.3390/ijms17081290">10.3390/ijms17081290</a></span>, <a class="external mw-magiclink-pmid" rel="nofollow" href="https://www.ncbi.nlm.nih.gov/pubmed/27517908?dopt=Abstract">PMID 27517908</a>, <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5000687/">PMC 5000687</a> (freier Volltext).</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-Malay-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Malay_1-0">a</a></sup> <sup><a href="#cite_ref-Malay_1-1">b</a></sup></span> <span class="reference-text">A. D. Malay, K. Arakawa, K. Numata: <i>Analysis of repetitive amino acid motifs reveals the essential features of spider dragline silk proteins.</i> In: <i>PloS one.</i> Band 12, Nummer 8, 2017, S. e0183397, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1371/journal.pone.0183397">10.1371/journal.pone.0183397</a></span>, <a class="external mw-magiclink-pmid" rel="nofollow" href="https://www.ncbi.nlm.nih.gov/pubmed/28832627?dopt=Abstract">PMID 28832627</a>, <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5568437/">PMC 5568437</a> (freier Volltext).</span>
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<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">J. R. Santos-Pinto, H. A. Arcuri, G. Lubec, M. S. Palma: <i>Structural characterization of the major ampullate silk spidroin-2 protein produced by the spider Nephila clavipes.</i> In: <i><a href="Biochimica_et_Biophysica_Acta" title="Biochimica et Biophysica Acta">Biochimica et Biophysica Acta</a>.</i> Band 1864, Nummer 10, 10 2016, S. 1444–1454, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1016/j.bbapap.2016.05.007">10.1016/j.bbapap.2016.05.007</a></span>, <a class="external mw-magiclink-pmid" rel="nofollow" href="https://www.ncbi.nlm.nih.gov/pubmed/27208434?dopt=Abstract">PMID 27208434</a>.</span>
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