Difference between revisions of "Part:BBa K1159003"
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Engineered version (triple mutant) of fluorescein-binding anticalin FluA with high binding affinity for fluorescein. This part is flanked by RFC[25] pre- and suffix for further protein fusions. This is an improved version of <partinfo>BBa_K157004</partinfo>. | Engineered version (triple mutant) of fluorescein-binding anticalin FluA with high binding affinity for fluorescein. This part is flanked by RFC[25] pre- and suffix for further protein fusions. This is an improved version of <partinfo>BBa_K157004</partinfo>. | ||
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| + | The fluoresceine binding Anticalin FluA was in 2013 already present in the Parts Registry in RFC 25. As this BioBrick is from 2008 we used a higher engineered variant with three additional mutations which make it 75-times more affine to fluorescein (KD from 152 nM to 2 nM [[http://www.ncbi.nlm.nih.gov/pubmed/16307475 Vopel, Mühlbach and Skerra 2005]]). This seemed an imporatant point as this Anticalin was twice present in the finals of iGEM (Freiburg Team 2008 and 2009) and an improved variant may be helpful for further iGEM teams as well as for our purpose to use it as a binding protein on trangenic moss. The outdated FluA with a lower affinity was BBa_K157004. | ||
===Usage and Biology=== | ===Usage and Biology=== | ||
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<span class='h3bb'>Sequence and Features</span> | <span class='h3bb'>Sequence and Features</span> | ||
<partinfo>BBa_K1159003 SequenceAndFeatures</partinfo> | <partinfo>BBa_K1159003 SequenceAndFeatures</partinfo> | ||
| − | + | <html><!--- Please copy this table containing parameters for BBa_ at the end of the parametrs section ahead of the references. ---><style type="text/css">table#AutoAnnotator {border:1px solid black; width:100%; border-collapse:collapse;} th#AutoAnnotatorHeader { border:1px solid black; width:100%; background-color: rgb(221, 221, 221);} td.AutoAnnotator1col { width:100%; border:1px solid black; } span.AutoAnnotatorSequence { font-family:'Courier New', Arial; } td.AutoAnnotatorSeqNum { text-align:right; width:2%; } td.AutoAnnotatorSeqSeq { width:98% } td.AutoAnnotatorSeqFeat1 { width:3% } td.AutoAnnotatorSeqFeat2a { width:27% } td.AutoAnnotatorSeqFeat2b { width:97% } td.AutoAnnotatorSeqFeat3 { width:70% } table.AutoAnnotatorNoBorder { border:0px; width:100%; border-collapse:collapse; } table.AutoAnnotatorWithBorder { border:1px solid black; width:100%; border-collapse:collapse; } td.AutoAnnotatorOuterAmino { border:0px solid black; width:20% } td.AutoAnnotatorInnerAmino { border:1px solid black; width:50% } td.AutoAnnotatorAminoCountingOuter { border:1px solid black; width:40%; } td.AutoAnnotatorBiochemParOuter { border:1px solid black; width:60%; } td.AutoAnnotatorAminoCountingInner1 { width: 7.5% } td.AutoAnnotatorAminoCountingInner2 { width:62.5% } td.AutoAnnotatorAminoCountingInner3 { width:30% } td.AutoAnnotatorBiochemParInner1 { width: 5% } td.AutoAnnotatorBiochemParInner2 { width:55% } td.AutoAnnotatorBiochemParInner3 { width:40% } td.AutoAnnotatorCodonUsage1 { width: 3% } td.AutoAnnotatorCodonUsage2 { width:14.2% } td.AutoAnnotatorCodonUsage3 { width:13.8% } td.AutoAnnotatorAlignment1 { width: 3% } td.AutoAnnotatorAlignment2 { width: 10% } td.AutoAnnotatorAlignment3 { width: 87% } td.AutoAnnotatorLocalizationOuter {border:1px solid black; width:40%} td.AutoAnnotatorGOOuter {border:1px solid black; width:60%} td.AutoAnnotatorLocalization1 { width: 7.5% } td.AutoAnnotatorLocalization2 { width: 22.5% } td.AutoAnnotatorLocalization3 { width: 70% } td.AutoAnnotatorGO1 { width: 5% } td.AutoAnnotatorGO2 { width: 35% } td.AutoAnnotatorGO3 { width: 60% } td.AutoAnnotatorPredFeat1 { width:3% } td.AutoAnnotatorPredFeat2a { width:27% } td.AutoAnnotatorPredFeat3 { width:70% } div.AutoAnnotator_trans { position:absolute; background:rgb(11,140,143); background-color:rgba(11,140,143, 0.8); height:5px; top:100px; } div.AutoAnnotator_sec_helix { position:absolute; background:rgb(102,0,102); background-color:rgba(102,0,102, 0.8); height:5px; top:110px; } div.AutoAnnotator_sec_strand { position:absolute; background:rgb(245,170,26); background-color:rgba(245,170,26, 1); height:5px; top:110px; } div.AutoAnnotator_acc_buried { position:absolute; background:rgb(89,168,15); background-color:rgba(89,168,15, 0.8); height:5px; top:120px; } div.AutoAnnotator_acc_exposed { position:absolute; background:rgb(0, 0, 255); background-color:rgba(0, 0, 255, 0.8); height:5px; top:120px; } div.AutoAnnotator_dis { position:absolute; text-align:center; font-family:Arial,Helvetica,sans-serif; background:rgb(255, 200, 0); background-color:rgba(255, 200, 0, 1); height:16px; width:16px; top:80px; border-radius:50%; } </style><div id='AutoAnnotator_container_1381239135070'><table id="AutoAnnotator"><tr><!-- Time stamp in ms since 1/1/1970 1381239135070 --><th id="AutoAnnotatorHeader" colspan="2">Protein data table for BioBrick <a href="https://parts.igem.org/wiki/index.php?title=Part:BBa_<!------------------------Enter BioBrick number here------------------------>">BBa_<!------------------------Enter BioBrick number here------------------------></a> automatically created by the <a href="http://2013.igem.org/Team:TU-Munich/Results/AutoAnnotator">BioBrick-AutoAnnotator</a> version 1.0</th></tr><tr><td class="AutoAnnotator1col" colspan="2"><strong>Nucleotide sequence</strong> in <strong>RFC 25 N-Part</strong> using the stop codon in the suffix, so ACCGGT was added (in italics) to the 3' end: (underlined part encodes the protein)<br><span class="AutoAnnotatorSequence"> AGTAAAGGAGAAGAACTTTTCACTGGAGTTGTCCCAATTCTTGTTGAATTAG<u>ATGGTGACG ... AGGGTGAAG<i>ACCGGT</i></u></span><br> <strong>ORF</strong> from nucleotide position 53 to 106 (excluding stop-codon)</td></tr><tr><td class="AutoAnnotator1col" colspan="2"><strong>Amino acid sequence:</strong> (RFC 25 scars in shown in bold, other sequence features underlined; both given below)<br><span class="AutoAnnotatorSequence"><table class="AutoAnnotatorNoBorder"><tr><td class="AutoAnnotatorSeqNum">1 </td><td class="AutoAnnotatorSeqSeq">MVTLMGTNFLSVERVKTG*</td></tr></table></span></td></tr><tr><td class="AutoAnnotator1col" colspan="2"><strong>Sequence features:</strong> (with their position in the amino acid sequence, see the <a href="http://2013.igem.org/Team:TU-Munich/Results/Software/FeatureList">list of supported features</a>)<table class="AutoAnnotatorNoBorder"><tr><td class="AutoAnnotatorSeqFeat1"></td><td class="AutoAnnotatorSeqFeat2b">None of the supported features appeared in the sequence</td></tr></table></td></tr><tr><td class="AutoAnnotator1col" colspan="2"><strong>Amino acid composition:</strong><table class="AutoAnnotatorNoBorder"><tr><td class="AutoAnnotatorOuterAmino"><table class="AutoAnnotatorWithBorder"><tr><td class="AutoAnnotatorInnerAmino">Ala (A)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Arg (R)</td><td class="AutoAnnotatorInnerAmino">1 (5.6%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Asn (N)</td><td class="AutoAnnotatorInnerAmino">1 (5.6%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Asp (D)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr></table></td><td class="AutoAnnotatorOuterAmino"><table class="AutoAnnotatorWithBorder"><tr><td class="AutoAnnotatorInnerAmino">Cys (C)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Gln (Q)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Glu (E)</td><td class="AutoAnnotatorInnerAmino">1 (5.6%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Gly (G)</td><td class="AutoAnnotatorInnerAmino">2 (11.1%)</td></tr></table></td><td class="AutoAnnotatorOuterAmino"><table class="AutoAnnotatorWithBorder"><tr><td class="AutoAnnotatorInnerAmino">His (H)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Ile (I)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Leu (L)</td><td class="AutoAnnotatorInnerAmino">2 (11.1%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Lys (K)</td><td class="AutoAnnotatorInnerAmino">1 (5.6%)</td></tr></table></td><td class="AutoAnnotatorOuterAmino"><table class="AutoAnnotatorWithBorder"><tr><td class="AutoAnnotatorInnerAmino">Met (M)</td><td class="AutoAnnotatorInnerAmino">2 (11.1%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Phe (F)</td><td class="AutoAnnotatorInnerAmino">1 (5.6%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Pro (P)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Ser (S)</td><td class="AutoAnnotatorInnerAmino">1 (5.6%)</td></tr></table></td><td class="AutoAnnotatorOuterAmino"><table class="AutoAnnotatorWithBorder"><tr><td class="AutoAnnotatorInnerAmino">Thr (T)</td><td class="AutoAnnotatorInnerAmino">3 (16.7%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Trp (W)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Tyr (Y)</td><td class="AutoAnnotatorInnerAmino">0 (0.0%)</td></tr><tr><td class="AutoAnnotatorInnerAmino">Val (V)</td><td class="AutoAnnotatorInnerAmino">3 (16.7%)</td></tr></table></td></tr></table></td></tr><tr><td class="AutoAnnotatorAminoCountingOuter"><strong>Amino acid counting</strong><table class="AutoAnnotatorNoBorder"><tr><td class="AutoAnnotatorAminoCountingInner1"></td><td class="AutoAnnotatorAminoCountingInner2">Total number:</td><td class="AutoAnnotatorAminoCountingInner3">18</td></tr><tr><td class="AutoAnnotatorAminoCountingInner1"></td><td class="AutoAnnotatorAminoCountingInner2">Positively charged (Arg+Lys):</td><td class="AutoAnnotatorAminoCountingInner3">2 (11.1%)</td></tr><tr><td class="AutoAnnotatorAminoCountingInner1"></td><td class="AutoAnnotatorAminoCountingInner2">Negatively charged (Asp+Glu):</td><td class="AutoAnnotatorAminoCountingInner3">1 (5.6%)</td></tr><tr><td class="AutoAnnotatorAminoCountingInner1"></td><td class="AutoAnnotatorAminoCountingInner2">Aromatic (Phe+His+Try+Tyr):</td><td class="AutoAnnotatorAminoCountingInner3">1 (5.6%)</td></tr></table></td><td class="AutoAnnotatorBiochemParOuter"><strong>Biochemical parameters</strong><table class="AutoAnnotatorNoBorder"><tr><td class="AutoAnnotatorBiochemParInner1"></td><td class="AutoAnnotatorBiochemParInner2">Atomic composition:</td><td class="AutoAnnotatorBiochemParInner3">C<sub>86</sub>H<sub>147</sub>N<sub>23</sub>O<sub>26</sub>S<sub>2</sub></td></tr><tr><td class="AutoAnnotatorBiochemParInner1"></td><td class="AutoAnnotatorBiochemParInner2">Molecular mass [Da]:</td><td class="AutoAnnotatorBiochemParInner3">1983.4</td></tr><tr><td class="AutoAnnotatorBiochemParInner1"></td><td class="AutoAnnotatorBiochemParInner2">Theoretical pI:</td><td class="AutoAnnotatorBiochemParInner3">8.50</td></tr><tr><td class="AutoAnnotatorBiochemParInner1"></td><td class="AutoAnnotatorBiochemParInner2">Extinction coefficient at 280 nm [M<sup>-1</sup> cm<sup>-1</sup>]:</td><td class="AutoAnnotatorBiochemParInner3">0 / 0 (all Cys red/ox)</td></tr></table></td></tr><tr><td class="AutoAnnotator1col" colspan="2"><strong>Plot for hydrophobicity, charge, predicted secondary structure, solvent accessability, transmembrane helices and disulfid bridges</strong> <input type='button' id='hydrophobicity_charge_button' onclick='show_or_hide_plot_1381239135070()' value='Show'><span id="hydrophobicity_charge_explanation"></span><div id="hydrophobicity_charge_container" style='display:none'><div id="hydrophobicity_charge_placeholder0" style="width:100%;height:150px"></div></div></td></tr><tr><td class="AutoAnnotator1col" colspan="2"><strong>Codon usage</strong><table class="AutoAnnotatorNoBorder"><tr><td class="AutoAnnotatorCodonUsage1"></td><td class="AutoAnnotatorCodonUsage2">Organism:</td><td class="AutoAnnotatorCodonUsage3"><i>E. coli</i></td><td class="AutoAnnotatorCodonUsage3"><i>B. subtilis</i></td><td class="AutoAnnotatorCodonUsage3"><i>S. cerevisiae</i></td><td class="AutoAnnotatorCodonUsage3"><i>A. thaliana</i></td><td class="AutoAnnotatorCodonUsage3"><i>P. patens</i></td><td class="AutoAnnotatorCodonUsage3">Mammals</td></tr><tr><td class="AutoAnnotatorCodonUsage1"></td><td class="AutoAnnotatorCodonUsage2">Codon quality (<a href="http://en.wikipedia.org/wiki/Codon_Adaptation_Index">CAI</a>):</td><td class="AutoAnnotatorCodonUsage3">good (0.74)</td><td class="AutoAnnotatorCodonUsage3">good (0.75)</td><td class="AutoAnnotatorCodonUsage3">good (0.61)</td><td class="AutoAnnotatorCodonUsage3">good (0.68)</td><td class="AutoAnnotatorCodonUsage3">excellent (0.83)</td><td class="AutoAnnotatorCodonUsage3">good (0.74)</td></tr></table></td></tr><tr><td class="AutoAnnotator1col" colspan="2"><strong>Alignments</strong> (obtained from <a href='http://predictprotein.org'>PredictProtein.org</a>)<br> There were no alignments for this protein in the data base. The BLAST search was initialized and should be ready in a few hours.</td></tr><tr><th id='AutoAnnotatorHeader' colspan="2"><strong>Predictions</strong> (obtained from <a href='http://predictprotein.org'>PredictProtein.org</a>)</th></tr><tr><td class="AutoAnnotator1col" colspan="2"> There were no predictions for this protein in the data base. The prediction was initialized and should be ready in a few hours.</td><tr><td class="AutoAnnotator1col" colspan="2"> The BioBrick-AutoAnnotator was created by <a href="http://2013.igem.org/Team:TU-Munich">TU-Munich 2013</a> iGEM team. For more information please see the <a href="http://2013.igem.org/Team:TU-Munich/Results/Software">documentation</a>.<br>If you have any questions, comments or suggestions, please leave us a <a href="http://2013.igem.org/Team:TU-Munich/Results/AutoAnnotator">comment</a>.</td></tr></table></div><br><!-- IMPORTANT: DON'T REMOVE THIS LINE, OTHERWISE NOT SUPPORTED FOR IE BEFORE 9 --><!--[if lte IE 8]><script language="javascript" type="text/javascript" src="excanvas.min.js"></script><![endif]--><script type='text/javascript' src='http://code.jquery.com/jquery-1.10.0.min.js'></script><script type='text/javascript' src='http://2013.igem.org/Team:TU-Munich/Flot.js?action=raw&ctype=text/js'></script><script>function show_or_hide_plot_1381239135070(){hydrophobicity_datapoints = [[2.5,2.22],[3.5,1.76],[4.5,0.78],[5.5,0.22],[6.5,0.02],[7.5,0.40],[8.5,0.32],[9.5,1.30],[10.5,1.30],[11.5,-0.16],[12.5,-0.08],[13.5,-0.70],[14.5,-1.68],[15.5,-1.06]];charge_datapoints = [[2.5,0.00],[3.5,0.00],[4.5,0.00],[5.5,0.00],[6.5,0.00],[7.5,0.00],[8.5,0.00],[9.5,0.00],[10.5,-0.20],[11.5,0.00],[12.5,0.00],[13.5,0.20],[14.5,0.20],[15.5,0.40]];dis_datapoints = undefined;trans_datapoints = undefined;sec_helix_datapoints = undefined;sec_strand_datapoints = undefined;acc_exposed_datapoints = undefined;acc_buried_datapoints = undefined;flot_plot_options = []; flot_plot_options[0] = {grid: {borderWidth: {top: 0,right: 0,bottom: 0,left: 0}},legend: {show: false},xaxes: [{show: true,min: 0,max: 200,ticks: [[0.5, '1'], [24.5, '25'], [49.5, '50'], [74.5, '75'], [99.5, '100'], [124.5, '125'], [149.5, '150'], [174.5, '175'], [199.5, '200']],tickLength: -5}],yaxes: [{show: true,ticks: [[0, '0'], [4.5,'hydro-<br>phobic '], [-4.5,'hydro-<br>philic ']],min: -4.5,max: +4.5,font: {size: 12,lineHeight: 14,style: 'italic',weight: 'bold',family: 'sans-serif',variant: 'small-caps',color: 'rgba(100,149,237,1)'}},{show: true,ticks: [[0, ''], [1,'positive<br> charge'], [-1,'negative<br> charge']],position: 'right',min: -1,max: 1,font: {size: 12,lineHeight: 14,style: 'italic',weight: 'bold',family: 'sans-serif',variant: 'small-caps',color: 'rgba(255,99,71,1)'}}]};number_of_plots = 1;for ( plot_num = 1 ; plot_num < number_of_plots ; plot_num ++){flot_plot_options[plot_num] = $.extend(true, {} ,flot_plot_options[0]);flot_plot_options[plot_num].xaxes = [{min: plot_num*200,max: (plot_num + 1)*200,ticks: [ [plot_num*200 + 0.5, (plot_num*200 + 1).toString()], [plot_num*200 + 24.5, (plot_num*200 + 25).toString()], [plot_num*200 + 49.5, (plot_num*200 + 50).toString()], [plot_num*200 + 74.5, (plot_num*200 + 75).toString()], [plot_num*200 + 99.5, (plot_num*200 + 100).toString()], [plot_num*200 + 124.5, (plot_num*200 + 125).toString()], [plot_num*200 + 149.5, (plot_num*200 + 150).toString()], [plot_num*200 + 174.5, (plot_num*200 + 175).toString()], [plot_num*200 + 199.5, (plot_num*200 + 200).toString()] ],tickLength: -5}];};try {if( $('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_button').val() =='Show' ){$('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_container').css('display','block');$('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_button').val('Hide');var description_html = '<div id=\'AutoAnnotator_plot_selectors\'>';description_html = description_html + '<br> <input type=\'checkbox\' id=\'hydrophobicity_checkbox\' checked=\'checked\'> Moving average over 5 amino acids for hydrophobicity (<img src=\'https://static.igem.org/mediawiki/2013/e/e9/TUM13_hydrophobicity_icon.png\' alt=\'blue graph\' height=\'10\'></img>)';description_html = description_html + '<br> <input type=\'checkbox\' id=\'charge_checkbox\' checked=\'checked\'> Moving average over 5 amino acids for charge (<img src=\'https://static.igem.org/mediawiki/2013/3/3e/TUM13_charge_icon.png\' alt=\'red graph\' height=\'10\'></img>)';description_html = description_html + '<br> <input type=\'checkbox\' id=\'dis_checkbox\' checked=\'checked\'> Predicted disulfid bridges (<img src=\'https://static.igem.org/mediawiki/2013/2/28/TUM13_dis_icon.png\' alt=\'yellow circle\' height=\'10\'></img>) with the number of the bridge in the center';description_html = description_html + '<br> <input type=\'checkbox\' id=\'trans_checkbox\' checked=\'checked\'> Predicted transmembrane helices (<img src=\'https://static.igem.org/mediawiki/2013/7/78/TUM13_trans_icon.png\' alt=\'turquois bars\' height=\'10\'></img>)';description_html = description_html + '<br> <input type=\'checkbox\' id=\'sec_checkbox\' checked=\'checked\'> Predicted secondary structure: Helices (<img src=\'https://static.igem.org/mediawiki/2013/b/bf/TUM13_helix_icon.png\' alt=\'violet bars\' height=\'10\'></img>) and beta-strands (<img src=\'https://static.igem.org/mediawiki/2013/b/bf/TUM13_strand_icon.png\' alt=\'yellow bars\' height=\'10\'></img>)';description_html = description_html + '<br> <input type=\'checkbox\' id=\'acc_checkbox\' checked=\'checked\'> Predicted solvent accessability: Exposed (<img src=\'https://static.igem.org/mediawiki/2013/1/16/TUM13_exposed_icon.png\' alt=\'blue bars\' height=\'10\'></img>) and buried (<img src=\'https://static.igem.org/mediawiki/2013/0/0b/TUM13_buried_icon.png\' alt=\'green bars\' height=\'10\'></img>) residues';description_html = description_html + '<br></div>';$('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_explanation').html(description_html);plot_according_to_selectors_1381239135070();$('#AutoAnnotator_container_1381239135070 #AutoAnnotator_plot_selectors').find('input').click(plot_according_to_selectors_1381239135070);}else{$('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_container').css('display','none');$('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_button').val('Show');$('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_explanation').html('');}}catch(err){txt='There was an error with the button controlling the visibility of the plot.\n';txt=txt+'The originating error is:\n' + err + '\n\n';alert(txt);}};function plot_according_to_selectors_1381239135070(){try{var plot_datasets = [[],[]];if($('#AutoAnnotator_container_1381239135070 #hydrophobicity_checkbox').prop('checked') == true){plot_datasets[0] = { color: 'rgba(100,149,237,1)',data: hydrophobicity_datapoints,label: 'Hydrophobicity',lines: { show: true, fill: true, fillColor: 'rgba(100,149,237,0.1)' },yaxis: 1};}if($('#AutoAnnotator_container_1381239135070 #charge_checkbox').prop('checked') == true){plot_datasets[1] = {color: 'rgba(255,99,71,1)',data: charge_datapoints,label: 'Charge',lines: { show: true, fill: true, fillColor: 'rgba(255,99,71,0.1)' },yaxis: 2};}for (plot_num = 0 ; plot_num < number_of_plots ; plot_num ++){$.plot('#AutoAnnotator_container_1381239135070 #hydrophobicity_charge_placeholder'+ plot_num.toString(), plot_datasets, flot_plot_options[plot_num] );}var screen_width = $('canvas.flot-base').width(); var pos_of_first_tick = 46;var 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<partinfo>BBa_K1159003 parameters</partinfo> | <partinfo>BBa_K1159003 parameters</partinfo> | ||
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| + | ==References== | ||
| + | ---- | ||
| + | *[[http://www.ncbi.nlm.nih.gov/pubmed/16307475 Vopel et al., 2005]] Vopel, S., Mühlbach, H., Skerra, A.(2005) Rational engineering of a fluorescein-binding anticalin for improved ligand affinity. ''Biol Chem.'', 386(11):1097-104. | ||
Latest revision as of 15:29, 12 October 2013
Engineered Fluorescein-Binding Anticalin FluA (triple mutant variant) in RFC[25]
Engineered version (triple mutant) of fluorescein-binding anticalin FluA with high binding affinity for fluorescein. This part is flanked by RFC[25] pre- and suffix for further protein fusions. This is an improved version of BBa_K157004.
The fluoresceine binding Anticalin FluA was in 2013 already present in the Parts Registry in RFC 25. As this BioBrick is from 2008 we used a higher engineered variant with three additional mutations which make it 75-times more affine to fluorescein (KD from 152 nM to 2 nM http://www.ncbi.nlm.nih.gov/pubmed/16307475 Vopel, Mühlbach and Skerra 2005). This seemed an imporatant point as this Anticalin was twice present in the finals of iGEM (Freiburg Team 2008 and 2009) and an improved variant may be helpful for further iGEM teams as well as for our purpose to use it as a binding protein on trangenic moss. The outdated FluA with a lower affinity was BBa_K157004.
Usage and Biology
Sequence and Features
Assembly Compatibility:
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21INCOMPATIBLE WITH RFC[21]Illegal BglII site found at 248
- 23COMPATIBLE WITH RFC[23]
- 25COMPATIBLE WITH RFC[25]
- 1000COMPATIBLE WITH RFC[1000]
| Protein data table for BioBrick BBa_ automatically created by the BioBrick-AutoAnnotator version 1.0 | ||||||||||||||||||||||||||||||||||||||||||||||
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| Nucleotide sequence in RFC 25 N-Part using the stop codon in the suffix, so ACCGGT was added (in italics) to the 3' end: (underlined part encodes the protein) AGTAAAGGAGAAGAACTTTTCACTGGAGTTGTCCCAATTCTTGTTGAATTAGATGGTGACG ... AGGGTGAAGACCGGT ORF from nucleotide position 53 to 106 (excluding stop-codon) | ||||||||||||||||||||||||||||||||||||||||||||||
Amino acid sequence: (RFC 25 scars in shown in bold, other sequence features underlined; both given below)
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Sequence features: (with their position in the amino acid sequence, see the list of supported features)
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Amino acid composition:
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Amino acid counting
| Biochemical parameters
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| Plot for hydrophobicity, charge, predicted secondary structure, solvent accessability, transmembrane helices and disulfid bridges | ||||||||||||||||||||||||||||||||||||||||||||||
Codon usage
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| Alignments (obtained from PredictProtein.org) There were no alignments for this protein in the data base. The BLAST search was initialized and should be ready in a few hours. | ||||||||||||||||||||||||||||||||||||||||||||||
| Predictions (obtained from PredictProtein.org) | ||||||||||||||||||||||||||||||||||||||||||||||
| There were no predictions for this protein in the data base. The prediction was initialized and should be ready in a few hours. | ||||||||||||||||||||||||||||||||||||||||||||||
| The BioBrick-AutoAnnotator was created by TU-Munich 2013 iGEM team. For more information please see the documentation. If you have any questions, comments or suggestions, please leave us a comment. | ||||||||||||||||||||||||||||||||||||||||||||||
References
- http://www.ncbi.nlm.nih.gov/pubmed/16307475 Vopel et al., 2005 Vopel, S., Mühlbach, H., Skerra, A.(2005) Rational engineering of a fluorescein-binding anticalin for improved ligand affinity. Biol Chem., 386(11):1097-104.