KEGG - Table of Contents

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>KEGG - Table of Contents</title> <link rel="stylesheet" href="/css/kegg25.css"> <style> #dbnav ul { margin: 0 0 0 10px; } #dbnav ul li { padding: 6px 0 6px 13px; } div.framex table { width: 640px; border: 0; } div.framex td { width: 60px; border-width: 1px 0; border-style: solid; border-color: #444444; border-collapse: collapse; text-align: center; padding: 2px; } div.list dl { margin: 0; padding-bottom: 16px; } div.list dt { width: 150px; } div.list2 { margin: 0; } div.list2 dl { margin: 0; padding-bottom: 16px; } div.list2 dt { width: 200px; } </style> </head> <body> <div id="topnav" ontouchstart=""> <div class="navlist"> <a href="/kegg/">KEGG</a> </div> <div class="dropdown"> Databases <div class="dropdown-content"> <ul> <li><a href="/kegg/pathway.html">Pathway</a></li> <li><a href="/kegg/brite.html">Brite</a></li> <li><a href="/kegg/ko.html">KO</a></li> <li><a href="/kegg/genes.html">Genes</a></li> <li><a href="/kegg/compound/">Chemical</a></li> <li><a href="/kegg/disease/">Disease</a></li> <li><a href="/kegg/drug/">Drug</a></li> <li><a href="/kegg/medicus.html">Medicus</a></li> </ul> </div> </div> <div class="dropdown"> Tools <div class="dropdown-content"> <ul> <li><a href="/kegg/mapper/">Mapper</a></li> <li><a href="/kegg/webapp/">Web Apps</a></li> <li><a href="/kegg/syntax/">Syntax</a></li> </ul> </div> </div> <div class="dropdown"> Auto annotation <div class="dropdown-content"> <ul> <li><a href="https://www.kegg.jp/blastkoala/">BlastKOALA</a></li> <li><a href="https://www.kegg.jp/ghostkoala/">GhostKOALA</a></li> </ul> </div> </div> <div class="navlist"> <a href="https://www.kanehisa.jp/">Kanehisa Lab</a> </div> </div> <div id="header"> <div class="logo"> <a href="/kegg/"><img src="/Fig/kegg128.gif" alt="KEGG icon"></a> </div> <div class="title2"> <h2 class="txt3">KEGG - Table of Contents</h2> </div> </div> <div id="dbnav" class="bar0"> <ul> <li><span class="current">KEGG2</span></li> <li><a href="/kegg/pathway.html">PATHWAY</a></li> <li><a href="/kegg/brite.html">BRITE</a></li> <li><a href="/kegg/module.html">MODULE</a></li> <li><a href="/kegg/ko.html">KO</a></li> <li><a href="/kegg/genes.html">GENES</a></li> <li><a href="/kegg/compound/">COMPOUND</a></li> <li><a href="/kegg/network.html">NETWORK</a></li> <li><a href="/kegg/disease/">DISEASE</a></li> <li><a href="/kegg/drug/">DRUG</a></li> </ul> </div> <div id="content">  <div class="searchbox"> <form action="/kegg-bin/search_reference"> <div class="list2"> <dl> <dt> </dt> <dd><span class="small">  PMID, DOI, author, title, journal</span></dd> </dl> <dl> <dt>Search references cited in KEGG</dt> <dd><input type="search" name="keyword" size="60"> <input type="submit" value="Go"> </dd> </dl> </div> <input type="hidden" name="db" value="all"> <input type="hidden" name="item" value="pmid+author+title+reference+doi"> </form> </div> <div class="main"> <div class="frame4"> <div style="margin:20px 0 20px 60px;"> Number of references (2025/4/10)<br> <div style="float:left;"> <table> <tr><td>total</td><td class="right">74,820</td></tr> </table> </div> <div style="float:left; margin-left:10px;"> <table> <tr><td>pathway</td><td class="right">6,774</td></tr> <tr><td>brite</td><td class="right">445</td></tr> <tr><td>module</td><td class="right">1,155</td></tr> </table> </div> <div style="float:left; margin-left:10px;"> <table> <tr><td>ko</td><td class="right">29,213</td></tr> <tr><td>genome</td><td class="right">7,755</td></tr> <tr><td>agenes</td><td class="right">3,083</td></tr> </table> </div> <div style="float:left; margin-left:10px;"> <table> <tr><td>glycan</td><td class="right">942</td></tr> <tr><td>reaction</td><td class="right">2,117</td></tr> <tr><td>enzyme</td><td class="right">16,221</td></tr> </table> </div> <div style="float:left; margin-left:10px;"> <table> <tr><td>network</td><td class="right">2,779</td></tr> <tr><td>variant</td><td class="right">2,210</td></tr> <tr><td>disease</td><td class="right">11,425</td></tr> </table> </div> <div style="clear:both;"></div> </div> </div> </div> <div class="searchbox"> <form method="get" action="/dbget-bin/www_bfind_sub"> <input type="hidden" name="mode" value="bfind"> <input type="hidden" name="max_hit" value="1000"> Search <select name="dbkey"> <option value="kegg" selected="selected">KEGG</option> <option value="pathway">PATHWAY</option> <option value="brite">BRITE</option> <option value="module">MODULE</option> <option value="orthology">KO</option> <option value="genes">GENES</option> <option value="genome">GENOME</option> <option value="compound">COMPOUND</option> <option value="glycan">GLYCAN</option> <option value="reaction">REACTION</option> <option value="rclass">RCLASS</option> <option value="enzyme">ENZYME</option> <option value="network">NETWORK</option> <option value="variant">VARIANT</option> <option value="disease">DISEASE</option> <option value="drug">DRUG</option> <option value="dgroup">DGROUP</option> </select> for <input type="search" size="40" name="keywords"> <input type="submit" value="Go"> </form> </div> <div class="main"> <hr class="frame0"> <h4 class="txt3">KEGG Database</h4> <div class="indent"> <div class="frame0"> <h4 class="txt3">Data-oriented entry points</h4> <table> <tr> <td>Category</td> <td>Entry point</td> <td>Database</td> <td>Data object</td> <td><a href="/kegg/kegg3.html">KEGG identifier</a>*</td> </tr> <tr> <td rowspan="3">Systems<br>information</td> <td><a href="/kegg/pathway.html"><b>PATHWAY</b></a></td> <td>PATHWAY</td> <td><a href="/brite/br08901">KEGG pathway maps</a></td> <td>map | ko, ec, rn, <org></td> </tr> <tr> <td><a href="/kegg/brite.html"><b>BRITE</b></a></td> <td>BRITE</td> <td><a href="/brite/br08902">Brite hierarchies</a><br> <a href="/brite/br08904">Brite tables</a></td> <td>br, jp, ko | <org><br> br, jp</td> </tr> <tr> <td><a href="/kegg/module.html"><b>MODULE</b></a><br> <a href="/kegg/reaction/rmodule.html">RModule</a></td> <td>MODULE</td> <td><a href="/brite/ko00002a">Modules</a><br> <a href="/brite/ko00003">Reaction modules</a></td> <td>M | <org>_M<br>RM</td> </tr> <tr> <td rowspan="3">Genomic<br>information</td> <td class="nowrap"><a href="/kegg/ko.html"><b>KO</b></a></td> <td>KO</td> <td><a href="/brite/ko00001">KEGG Orthology (KO)</a> for functional orthologs</td> <td>K</td> </tr> <tr> <td><a href="/kegg/genes.html"><b>GENES</b></a><br> <a href="/kegg/genome/virus.html">Virus</a><br><br> <a href="/kegg/seq/">SeqData</a></td> <td>GENES</td> <td>KEGG organism genes and proteins<br> Virus genes and proteins<br> Virus mature peptides<br> Functionally characterized proteins from literature</td> <td><org>:<gene><br> vg:<gene><br> vp:<gene-no><br> ag:<protein></td> </tr> <tr> <td><a href="/kegg/genome/"><b>GENOME</b></a></td> <td>GENOME</td> <td><a href="/brite/br08611">KEGG organisms genomes</a><br> <a href="/brite/br08621">KEGG viruses genomes</a></td> <td>T, gn:<org><br>gn:<vtax></td> </tr> <tr> <td rowspan="4">Chemical<br>information</td> <td><a href="/kegg/compound/"><b>COMPOUND</b></a></td> <td>COMPOUND</td> <td>Metabolites and other small molecules</td> <td>C</td> </tr> <tr> <td><a href="/kegg/glycan/"><b>GLYCAN</b></a></td> <td>GLYCAN</td> <td>Glycans</td> <td>G</td> </tr> <tr> <td><a href="/kegg/reaction/"><b>REACTION</b></a></td> <td>REACTION<br>RCLASS</td> <td>Biochemical reactions<br>Reaction class</td> <td>R<br>RC</td> </tr> <tr> <td><a href="/kegg/annotation/enzyme.html"><b>Enzyme</b></a></td> <td>ENZYME</td> <td>Enzyme nomenclature with <a href="/kegg/annotation/br01800.html">sequence data</a></td> <td>ec:<ecnum></td> </tr> <tr> <td rowspan="5">Health<br>information</td> <td><a href="/kegg/network.html"><b>NETWORK</b></a></td> <td>NETWORK<br><br>VARIANT</td> <td><a href="/brite/br08907">Network variation maps</a><br> Network elements<br> Human gene variants</td> <td>nt<br>N<br>hsa_var:<gene_vno></td> </tr> <tr> <td><a href="/kegg/disease/"><b>DISEASE</b></a></td> <td>DISEASE</td> <td>Human diseases</td> <td>H</td> </tr> <tr> <td><a href="/kegg/drug/"><b>DRUG</b></a></td> <td>DRUG<br>DGROUP</td> <td>Drugs<br>Drug groups</td> <td>D<br>DG</td> </tr> <tr> <td rowspan="2"><a href="/kegg/medicus.html"><b>MEDICUS</b></a></td> <td>JAPIC</td> <td>Japanese drug labels</td> <td rowspan="2">N/A (outside databases)</td> </tr> <tr> <td>DailyMed</td> <td>FDA drug labels (links only)</td> </tr> </table> <p>* KEGG identifier = prefix followed by five digit-number or combination of dbname:entryname</p> <div class="indent"> <p style="margin-top:16px;"><b class="txt3">Four types of database navigation bars</b></p> <div class="framex"> <table> <tr> <td><a href="/kegg/kegg2.html">KEGG2</a></td> <td><a href="/kegg/pathway.html">PATHWAY</a></td> <td><a href="/kegg/brite.html">BRITE</a></td> <td><a href="/kegg/module.html">MODULE</a></td> <td>KO</td> <td class="nowrap" colspan="4">GENES  COMPOUND  NETWORK  DISEASE  DRUG</td> </tr> <tr> <td>KEGG2</td> <td>PATHWAY</td> <td>BRITE</td> <td>MODULE</td> <td><a href="/kegg/ko.html">KO</a></td> <td colspan="4"><a href="/kegg/genes.html">GENES</a>    <a href="/kegg/genome/">GENOME</a>    <a href="/kegg/genome/virus.html">Virus</a>    <a href="/kegg/seq/">SeqData</a>    <a href="/kegg/annotation/enzyme.html">Enzyme</a></td> </tr> <tr> <td>KEGG2</td> <td>PATHWAY</td> <td>BRITE</td> <td>MODULE</td> <td>KO</td> <td><a href="/kegg/compound/">COMPOUND</a></td> <td><a href="/kegg/glycan/">GLYCAN</a></td> <td><a href="/kegg/reaction/">REACTION</a></td> <td><a href="/kegg/reaction/rmodule.html">RModule</a></td> </tr> <tr> <td>KEGG2</td> <td>PATHWAY</td> <td>BRITE</td> <td>MODULE</td> <td>KO</td> <td><a href="/kegg/network.html">NETWORK</a></td> <td><a href="/kegg/disease/">DISEASE</a></td> <td><a href="/kegg/drug/">DRUG</a></td> <td><a href="/kegg/medicus.html">MEDICUS</a></td> </tr> </table> </div> </div> </div> <h4 class="txt3">Organism-specific entry points</h4> <div class="indent"> <a href="/kegg/tables/br08606.html"><b>KEGG organisms</b></a> - list of currently available organisms with organism codes and organism group names <br><br> <form name="show" method="get" action="/kegg-bin/show_organism"> Enter organism code or T number <input type="text" name="org" size="5" value=""> <input type="submit" value="Go">    (examples) <a href="/kegg-bin/show_organism?org=hsa">hsa</a>  <a href="/kegg-bin/show_organism?org=eco">eco</a>  <a href="/kegg-bin/show_organism?org=T01001">T01001</a>  <a href="/kegg-bin/show_organism?org=T00007">T00007</a> </form> </div> </div> <h4 class="txt3">KEGG Analysis tools</h4> <div class="indent"> <div class="frame0"> <h4 class="txt3">Data viewers</h4> <table> <tr> <td>Data object</td> <td>Viewer</td> <td><a href="/kegg/docs/weblinks.html">WebLinks</a> form</td> </tr> <tr> <td>All KEGG data objects</td> <td><a href="/dbget/">DBGET</a> viewer</td> <td>https://www.kegg.jp/entry/<kid></td> </tr> <tr> <td>Pathway maps</td> <td><a href="/kegg/webapp/">Pathway viewer</a></td> <td>https://www.kegg.jp/pathway/<kid></td> </tr> <tr> <td>Brite hierarchies</td> <td><a href="/kegg/webapp/">Brite viewer</a></td> <td>https://www.kegg.jp/brite/<kid></td> </tr> <tr> <td>KEGG modules</td> <td>Module viewer</td> <td>https://www.kegg.jp/module/<kid></td> </tr> <tr> <td>Genomes</td> <td><a href="/kegg/webapp/">Genome browser</a></td> <td>https://www.kegg.jp/genome/<kid></td> </tr> <tr> <td>Network variation maps</td> <td>Network viewer</td> <td>https://www.kegg.jp/network/<kid></td> </tr> </table> <kid>, KEGG identifier <h4 class="txt3">Analysis Tools</h4> <table> <tr> <td>Tool</td> <td>Feature</td> </tr> <tr> <td><a href="/kegg/mapper/">KEGG Mapper</a></td> <td>KEGG mapping tools including <a href="/kegg/mapper/reconstruct.html">Reconstruct</a>, <a href="/kegg/mapper/search.html">Search</a>, <a href="/kegg/mapper/color.html">Color</a>, <a href="/kegg/mapper/join.html">Join</a> and <a href="/kegg/mapper/mwsearch.html">MWsearch</a></td> </tr> <tr> <td><a href="/kegg/webapp/">KEGG Web Apps</a></td> <td>Pathway viewer, Brite viewer and Genome browser with mapping capabilities</td> </tr> <tr> <td><a href="/kegg/syntax/">KEGG Syntax</a></td> <td><a href="/kegg/syntax/taxonomy.html">Taxonomy mapping</a>, <a href="/kegg/syntax/gnalign.html">Genome alignment</a> and <a href="/kegg/syntax/synteny.html">Synteny analysis</a> tools</td> </tr> <tr> <td><a href="/kegg/annotation/">KEGG Annotation</a></td> <td>Ortholog table and <a href="/kegg/annotation/ko_assign.html">KO assignment</a> tools</td> </tr> <tr> <td><a href="https://www.kegg.jp/blastkoala/">BlastKOALA</a><br> <a href="https://www.kegg.jp/ghostkoala/">GhostKOALA</a></td> <td>Automatic KO assignment</td> </tr> <tr> <td><a href="https://www.genome.jp/tools/blast/">BLAST</a><br> <a href="https://www.genome.jp/tools/fasta/">FASTA</a></td> <td>Sequence similarity search (served by GenomeNet)</td> </tr> <tr> <td><a href="https://www.genome.jp/tools/simcomp/">SIMCOMP</a><br> <a href="https://www.genome.jp/tools/subcomp/">SUBCOMP</a></td> <td>Chemical structure similarity search (served by GenomeNet)</td> </tr> </table> <p>See more tools at <a href="https://www.genome.jp/">GenomeNet</a>.</p> <h4 class="txt3">Documents</h4> <table> <tr> <td>Document</td> </tr> <tr> <td><a href="/kegg/docs/dbentry.html">KEGG database entry format</a></td> </tr> <tr> <td><a href="/kegg/docs/weblinks.html">KEGG Weblinks</a></td> </tr> <tr> <td><a href="/kegg/webapp/color_gui.html">Map coloring GUI</a></td> </tr> <tr> <td><a href="/kegg/webapp/color_url.html">Map coloring URL</a></td> </tr> <tr> <td><a href="/kegg/rest/keggapi.html">KEGG API manual</a></td> </tr> <tr> <td><a href="/kegg/xml/docs/">KEGG Markup Language (KGML)</a></td> </tr> </table> </div> </div> <br> <hr class="frame0"> <i>Last updated: April 1, 2025</i> </div>  </div> </body> </html>

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KEGG - Table of Contents