{"id":814,"date":"2021-06-30T13:57:24","date_gmt":"2021-06-30T12:57:24","guid":{"rendered":"https:\/\/pbwww.services.came.sbg.ac.at\/?page_id=814"},"modified":"2021-06-30T14:07:24","modified_gmt":"2021-06-30T13:07:24","slug":"mhcii3dweb-help","status":"publish","type":"page","link":"https:\/\/pbwww.services.came.sbg.ac.at\/?page_id=814","title":{"rendered":"MHCII3dweb Help"},"content":{"rendered":"<p>MHCII3D is a tool for predicting MHC-II binding peptides, based on structural scaffolds of MHC-II-peptide complexes and statistical scoring functions (SSFs).<\/p>\n<p>MHCII3D provides two modes:<\/p>\n<ol>\n<li>the scoring of peptides, and<\/li>\n<li>the scan of a protein sequence for binding regions<\/li>\n<\/ol>\n<h2>Scoring a list of peptides<\/h2>\n<p>For all prediction modes, first a HLA-DRB allele needs to be selected.<\/p>\n<p>Then\u00a0 a list of peptides needs to be entered, either on peptide per line or in multi-fasta format.<\/p>\n<p><a href=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/input-list.png\"><img loading=\"lazy\" class=\"wp-image-818 alignleft\" src=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/input-list-300x142.png\" alt=\"\" width=\"561\" height=\"265\" srcset=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/input-list-300x142.png 300w, https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/input-list-768x364.png 768w, https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/input-list.png 816w\" sizes=\"(max-width: 561px) 100vw, 561px\" \/><\/a><\/p>\n<h4>Output<\/h4>\n<p><a href=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/output-list.png\"><img loading=\"lazy\" class=\"alignnone wp-image-822\" src=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/output-list-300x91.png\" alt=\"\" width=\"610\" height=\"185\" srcset=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/output-list-300x91.png 300w, https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/output-list-768x232.png 768w, https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/output-list.png 982w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/a><\/p>\n<table>\n<tbody>\n<tr>\n<th scope=\"col\">Column<\/th>\n<th scope=\"col\">Meaning<\/th>\n<\/tr>\n<tr>\n<td>Allele<\/td>\n<td>Beta chain allele name<\/td>\n<\/tr>\n<tr>\n<td>Peptide<\/td>\n<td>Input sequence<\/td>\n<\/tr>\n<tr>\n<td>Binding Sequence<\/td>\n<td>Binding Sequence in the 15-mer peptide scaffold. &#8216;-&#8216; characters indicate that the peptide is shorter than the scaffold or shifted to the left or to the right. For clarity, the 9-mer core is indicated here in magenta.<\/td>\n<\/tr>\n<tr>\n<td>Binding Score<\/td>\n<td>SSF based score, the more negative the better<\/td>\n<\/tr>\n<tr>\n<td>Binding Rank<\/td>\n<td>normalized rank of the score in a random background ranging from zero (optimal) to one (worse than lowest scoring random peptide).<\/td>\n<\/tr>\n<tr>\n<td>IC<sub>50<\/sub> predicted<\/td>\n<td>Rank converted to a IC<sub>50<\/sub> value by non-linear fit<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Scan a protein sequence for binding regions<\/h2>\n<p>Here, only a single sequence may be given, either as plain sequence or in fasta format. The input sequence is cut into overlapping fragments and each fragment is subsequently scored.<\/p>\n<p><a href=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/scan.png\"><img loading=\"lazy\" class=\"alignnone wp-image-824\" src=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/scan-300x274.png\" alt=\"\" width=\"644\" height=\"588\" srcset=\"https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/scan-300x274.png 300w, https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/scan-768x701.png 768w, https:\/\/pbwww.services.came.sbg.ac.at\/wp-content\/uploads\/2021\/06\/scan.png 975w\" sizes=\"(max-width: 644px) 100vw, 644px\" \/><\/a><\/p>\n<p>The meaning of the respective columns is described in the table above.<\/p>\n<p>In addition, three plots are given, showing the average of the binding score, rank and IC<sub>50<\/sub> per residue. Watch out for minima in these plots in order to locate binding regions (potential T-cell epitopes).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MHCII3D is a tool for predicting MHC-II binding peptides, based on structural scaffolds of MHC-II-peptide complexes and statistical scoring functions (SSFs). MHCII3D provides two modes: the scoring of peptides, and the scan of a protein sequence for binding regions Scoring a list of peptides For all prediction modes, first a HLA-DRB allele needs to be &hellip; <a href=\"https:\/\/pbwww.services.came.sbg.ac.at\/?page_id=814\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">MHCII3dweb Help<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/full-width.php","meta":[],"_links":{"self":[{"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=\/wp\/v2\/pages\/814"}],"collection":[{"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=814"}],"version-history":[{"count":10,"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=\/wp\/v2\/pages\/814\/revisions"}],"predecessor-version":[{"id":827,"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=\/wp\/v2\/pages\/814\/revisions\/827"}],"wp:attachment":[{"href":"https:\/\/pbwww.services.came.sbg.ac.at\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}