{"id":28442,"date":"2015-10-05T13:45:15","date_gmt":"2015-10-05T11:45:15","guid":{"rendered":"https:\/\/www.embl.org\/ells\/teachingbase\/opsins-bioinformatics\/part-1-search-for-protein-identity\/"},"modified":"2021-06-18T15:01:38","modified_gmt":"2021-06-18T15:01:38","slug":"part-1-search-for-protein-identity","status":"publish","type":"teachingbase","link":"https:\/\/www.embl.org\/ells\/teachingbase\/opsins-bioinformatics\/part-1-search-for-protein-identity\/?lang=fr","title":{"rendered":"Partie 1: \u00c0 la recherche de l\u2019identit\u00e9 des prot\u00e9ines"},"content":{"rendered":"\n<div class=\"vf-tabs\"><ul class=\"vf-tabs__list\" data-vf-js-tabs=\"true\"><li class=\"vf-tabs__item\"><a class=\"vf-tabs__link\" href=\"#vf-tabs__section-4e25ab7e-2c41-42d5-aa00-09c96f8b4be9\">Aper\u00e7u<\/a><\/li><li class=\"vf-tabs__item\"><a class=\"vf-tabs__link\" href=\"#vf-tabs__section-056b45f6-2efd-4a4a-9bbe-8af6cbe7e751\">Votre t\u00e2che<\/a><\/li><li class=\"vf-tabs__item\"><a class=\"vf-tabs__link\" href=\"#vf-tabs__section-439c3d0e-3b26-4d30-beea-ef424ad8d3c3\">S\u00e9quence<\/a><\/li><li class=\"vf-tabs__item\"><a class=\"vf-tabs__link\" href=\"#vf-tabs__section-a6dc31f5-7afe-43cb-9e43-f2728ace9ae5\">BLAST Prot\u00e9ine<\/a><\/li><li class=\"vf-tabs__item\"><a class=\"vf-tabs__link\" href=\"#vf-tabs__section-7a5ab492-eb0a-4cd9-9b74-10d11126f360\">Questions<\/a><\/li><li class=\"vf-tabs__item\"><a class=\"vf-tabs__link\" href=\"#vf-tabs__section-36f3994d-b165-4987-a6b7-5098d466eec3\">Navigation d\u2018activit\u00e9<\/a><\/li><\/ul><div class=\"vf-tabs-content\" data-vf-js-tabs-content=\"true\">\n<section class=\"vf-tabs__section\" id=\"vf-tabs__section-4e25ab7e-2c41-42d5-aa00-09c96f8b4be9\"><h2>Aper\u00e7u<\/h2>\n<p>Imaginez que vous avez clon\u00e9 un nouveau g\u00e8ne et que vous avez r\u00e9cemment re\u00e7u les r\u00e9sultats du s\u00e9quen\u00e7age. Nous avons \u00e9t\u00e9 en mesure de traduire la s\u00e9quence nucl\u00e9otidique en une s\u00e9quence d&#8217;acides amin\u00e9s. Cependant, nous ne savons rien de la fonction de ce g\u00e8ne. Nous allons donc essayer de trouver des s\u00e9quences semblables dans une base de donn\u00e9es qui contient des s\u00e9quences de prot\u00e9ines connues afin de voir si notre prot\u00e9ine s&#8217;apparente \u00e0 des s\u00e9quences connues ainsi qu&#8217;\u00e0 leurs fonctions biologiques.<\/p>\n\n\n\n<p>Pour d\u00e9buter l&#8217;activit\u00e9, vous n&#8217;avez qu&#8217;\u00e0 suivre les instructions sous l&#8217;onglet &#8220;Votre t\u00e2che&#8221; et essayer de r\u00e9pondre aux questions de l&#8217;activit\u00e9.<\/p>\n<\/section>\n\n\n\n<section class=\"vf-tabs__section\" id=\"vf-tabs__section-056b45f6-2efd-4a4a-9bbe-8af6cbe7e751\"><h2>Votre t\u00e2che<\/h2>\n<p><strong>Suivez la proc\u00e9dure suivante :<\/strong><\/p>\n\n\n\n<p><strong>1. <\/strong>L&#8217;onglet &#8220;S\u00e9quence&#8221; contient la s\u00e9quence d&#8217;acides amin\u00e9s de la prot\u00e9ine inconnue &#8220;Prot\u00e9ine_Bovine&#8221;.<br><strong>2.<\/strong> Copiez la s\u00e9quence et suivez les instructions sous l&#8217;onglet &#8220;Prot\u00e9ine BLAST&#8221; pour rechercher l&#8217;identit\u00e9 de la prot\u00e9ine.<br><strong>3.<\/strong> Suivez les instructions sous l&#8217;onglet &#8220;Prot\u00e9ine BLAST&#8221; et essayez de r\u00e9pondre aux questions regroup\u00e9es sous l&#8217;onglet &#8220;Questions&#8221;.<\/p>\n<\/section>\n\n\n\n<section class=\"vf-tabs__section\" id=\"vf-tabs__section-439c3d0e-3b26-4d30-beea-ef424ad8d3c3\"><h2>S\u00e9quence<\/h2>\n<p>Votre s\u00e9quence :<\/p>\n\n\n\n<pre class=\"wp-block-code vf-u-text--break\"><code>Bovine_Protein\nMNGTEGPNFYVPFSNKTGVVRSPFEAPQYYLAEPWQFSMLAAYMFLLIMLGFPINFLTLYVTVQHKKLRTPLNYILLNLAVADLFMVFGGFTTTLYTSLHGYFVFGPTGCNLEGFFATLGGEIALWSLVVLAIERYVVVCKPMSNFRFGENHAIMGVAFTWVMALACAAPPLVGWSRYIPEGMQCSCGIDYYTPHEETNNESFVIYMFVVHFIIPLIVIFFCYGQLVFTVKEAAAQQQESATTQKAEKEVTRMVIIMVIAFLICWLPYAGVAFYIFTHQGSDFGPIFMTIPAFFAKTSAVYNPVIYIMMNKQFRNCMVTTLCCGKNPLGDDEASTTVSKTETSQVAPA<\/code><\/pre>\n<\/section>\n\n\n\n<section class=\"vf-tabs__section\" id=\"vf-tabs__section-a6dc31f5-7afe-43cb-9e43-f2728ace9ae5\"><h2>BLAST Prot\u00e9ine<\/h2>\n<p><strong><strong>1.<\/strong><\/strong> Acc\u00e9dez \u00e0 l&#8217;outil Prot\u00e9ine BLAST (Basic Local Alignment Search Tool) ci-dessous.<strong><br><strong>2. <\/strong><\/strong>Collez votre s\u00e9quence d&#8217;acides amin\u00e9s (en incluant le symbole &#8220;plus grand que&#8221;, &gt;, et le nom de la s\u00e9quence) dans le champ &#8220;Question&#8221;. Saisissez un titre qui d\u00e9crit la t\u00e2che demand\u00e9e (par ex. &#8220;Prot\u00e9ine inconnue&#8221;). Dans le champ &#8220;Param\u00e8tres&#8221; assurez-vous que l&#8217;option &#8220;blastp&#8221; soit s\u00e9lectionn\u00e9e. Lancez la recherche en appuyant sur &#8220;Rechercher&#8221;.<strong><br><strong>3.<\/strong> <\/strong>En vous r\u00e9f\u00e9rant aux tables de donn\u00e9es, essayez de r\u00e9pondre aux questions reli\u00e9es \u00e0 la t\u00e2che.<\/p>\n\n\n<div\n  class=\"vf-embed vf-embed--custom-ratio\"\n\n  style=\"--vf-embed-max-width: 100%;\n    --vf-embed-custom-ratio-x: 640;\n    --vf-embed-custom-ratio-y: 360;\"\n><iframe loading=\"lazy\" width=\"640\" height=\"360\" src=\"https:\/\/www.ebi.ac.uk\/Tools\/sss\/ncbiblast\/\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/section>\n\n\n\n<section class=\"vf-tabs__section\" id=\"vf-tabs__section-7a5ab492-eb0a-4cd9-9b74-10d11126f360\"><h2>Questions<\/h2>\n<p><strong><strong>1.<\/strong> <\/strong>Quelle prot\u00e9ine donne le meilleur r\u00e9sultat dans la base de donn\u00e9es des prot\u00e9ines ?<strong><br><strong>2.<\/strong> <\/strong>Quel pourcentage de similarit\u00e9 votre &#8220;prot\u00e9ine inconnue&#8221; partage-t-elle avec le meilleur r\u00e9sultat ?<strong><br><strong>3.<\/strong> <\/strong>Quelle est la fonction biologique connue du meilleur r\u00e9sultat ? (Cliquez sur le lien de la deuxi\u00e8me colonne du tableau des r\u00e9sultats (DB:ID) et rendez vous \u00e0 la section &#8220;Annotations g\u00e9n\u00e9rales&#8221; (Commentaires)&#8221;.).&#8221;<\/p>\n<\/section>\n\n\n\n<section class=\"vf-tabs__section\" id=\"vf-tabs__section-36f3994d-b165-4987-a6b7-5098d466eec3\"><h2>Navigation d\u2018activit\u00e9<\/h2>\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.embl.org\/ells\/teachingbase\/opsins-bioinformatics\/?lang=fr\" data-type=\"teachingbase\" data-id=\"28421\">Exploration de l&#8217;\u00e9volution des prot\u00e9ines photosensibles<\/a><\/li><li><a href=\"https:\/\/www.embl.org\/ells\/teachingbase\/opsins-bioinformatics\/part-1-search-for-protein-identity\/?lang=fr\" data-type=\"teachingbase\" data-id=\"28442\">Partie 1: \u00c0 la recherche de l\u2019identit\u00e9 des prot\u00e9ines<\/a><\/li><li><a href=\"https:\/\/www.embl.org\/ells\/teachingbase\/opsins-bioinformatics\/part-2-multiple-sequence-alignment-of-protein-sequences\/?lang=fr\" data-type=\"teachingbase\" data-id=\"28456\"><strong>Partie 2 : Alignements multiples des s\u00e9quences de prot\u00e9ines<\/strong><\/a><\/li><li><a href=\"https:\/\/www.embl.org\/ells\/teachingbase\/opsins-bioinformatics\/part-3-phylogenetic-analysis-of-aligned-protein-sequences\/?lang=fr\" data-type=\"teachingbase\" data-id=\"28476\">Partie 3 : Analyses phylog\u00e9n\u00e9tiques des alignements de s\u00e9quences de prot\u00e9ines<\/a><\/li><li><a href=\"https:\/\/www.embl.org\/ells\/teachingbase\/opsins-bioinformatics\/part-4-topological-and-structural-analysis-of-proteins\/?lang=fr\" data-type=\"teachingbase\" data-id=\"28499\">Partie 4 : Analyses topologique et structurelle des prot\u00e9ines<\/a><\/li><\/ul>\n<\/section>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":28443,"parent":28421,"menu_order":4,"template":"","class_list":["post-28442","teachingbase","type-teachingbase","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.embl.org\/ells\/wp-json\/wp\/v2\/teachingbase\/28442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.embl.org\/ells\/wp-json\/wp\/v2\/teachingbase"}],"about":[{"href":"https:\/\/www.embl.org\/ells\/wp-json\/wp\/v2\/types\/teachingbase"}],"up":[{"embeddable":true,"href":"https:\/\/www.embl.org\/ells\/wp-json\/wp\/v2\/teachingbase\/28421"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.embl.org\/ells\/wp-json\/wp\/v2\/media\/28443"}],"wp:attachment":[{"href":"https:\/\/www.embl.org\/ells\/wp-json\/wp\/v2\/media?parent=28442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}