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Pathway Human Homo sapiens

TAK1-dependent IKK and NF-kappa-B activation

R-HSA-445989 in Reactome release 97: under 6 parents, with 45 genes placed in it by the mapping files and 1 child pathway in the hierarchy.

The same number in the other species

Reactome writes the mouse and rat events it infers from a human pathway under the human number with the species token. A door opens only where that species' own list in this release holds the id: R-MMU-445989 (mouse), R-RNO-445989 (rat). Whether the event was inferred from this one is what the record says.

01The record

Reactome's own record of this pathway

What this tells you

The pathway list, the hierarchy and the genes on this page are read from the files Reactome publishes for Reactome release 97, built into this site on 2026-09-09: the pathway list, the hierarchy relationship file and the two gene mapping files. The record card is the one live read, Reactome's own record of this pathway.

Reactome's download page describes the mapping files: Mapping files link the source database identifier to the lowest level pathway diagram or subset of the pathway, all levels of the pathway hierarchy or database identifier to all reactions. [R13] The gene list here is the all-levels mapping of NCBI Gene ids, filled from the all-levels mapping of Ensembl ids where the NCBI file has no row for a gene; each row names which file it came from by the shape of its source id. Each row carries the evidence codes the file writes for it, as written and unranked, and both where the file writes both; no page of Reactome's documentation the survey read defines the codes, so this page does not expand them. A gene id the identity files do not name is kept as the source's own id with no door rather than turned into a symbol.

On citing what a search finds, Reactome says: It should be remembered that while we strive to contain the most current and accurate data, Reactome should not be used in citations where other primary sources of information are available. [R12] The record card prints the literature Reactome attaches to a curated pathway for that reason. The data are public domain: All data in the Reactome database and files derived from that data are licensed under the Creative Commons Public Domain Dedication (CC0). User may copy, modify, and distribute these data, even for commercial purposes, without asking for permission. Attribution is encouraged but not required. [R10] The pathway illustrations are licensed apart, under CC BY 4.0, and none is shown here.

A gene on this list is one Reactome places in this pathway in this release, and that is all the row says: it does not say the gene is expressed in a tissue or associated with a disease, which are the other two explorers' questions, read from other sources. Reactome's papers of record are [R01] [R02].

  1. [R01] Ragueneau E, Gong C, Sinquin P, Sevilla C, Beavers D, Grentner A, et al. (2026). The Reactome Knowledgebase 2026. Nucleic Acids Research 54:D673-D681. PMID 41251150, doi 10.1093/nar/gkaf1223.
  2. [R02] Milacic M, Beavers D, Conley P, Gong C, Gillespie M, Griss J, et al. (2024). The Reactome Pathway Knowledgebase 2024. Nucleic Acids Research 52:D672-D678. PMID 37941124, doi 10.1093/nar/gkad1025.
  3. [R10] Reactome, reactome.org. License Agreement. https://reactome.org/license, read 2026-09-09.
  4. [R12] Reactome, reactome.org. Citing us. https://reactome.org/cite, read 2026-09-09.
  5. [R13] Reactome, reactome.org. Download. https://reactome.org/download-data, read 2026-09-09.
Reading this pathway's record from Reactome (the pathway record).Still reading. A first read of a pathway can take a while; this page waits up to 35 seconds for it, and its scripts then bring in the panel, or a line saying what did not arrive.

02The genes

Genes Reactome places in this human pathway

The mapping files place 45 genes in this human pathway; showing 1 to 45, in pages of 100, sorted by symbol for reading. The order carries no ranking. 1 of the rows shown carries an id the identity file does not name, kept as the source wrote it.

Genes Reactome places in this human pathway, page 1 of 1
GeneAGERAuthorityHGNC:320Mapping file id177 NCBI fileEvidenceTAS
GeneALPK1AuthorityHGNC:20917Mapping file id80216 NCBI fileEvidenceTAS
GeneAPPAuthorityHGNC:620Mapping file id351 NCBI fileEvidenceTAS
GeneCASP8AuthorityHGNC:1509Mapping file id841 NCBI fileEvidenceTAS
GeneCHUKAuthorityHGNC:1974Mapping file id1147 NCBI fileEvidenceTAS
GeneHMGB1AuthorityHGNC:4983Mapping file id3146 NCBI fileEvidenceTAS
GeneIKBIPAuthorityHGNC:26430Mapping file id121457 NCBI fileEvidenceTAS
GeneIKBKBAuthorityHGNC:5960Mapping file id3551 NCBI fileEvidenceTAS
GeneIKBKGAuthorityHGNC:5961Mapping file id8517 NCBI fileEvidenceTAS
GeneIRAK1AuthorityHGNC:6112Mapping file id3654 NCBI fileEvidenceTAS
GeneIRAK2AuthorityHGNC:6113Mapping file id3656 NCBI fileEvidenceTAS
GeneLRRC14AuthorityHGNC:20419Mapping file id9684 NCBI fileEvidenceTAS
GeneMAP3K7AuthorityHGNC:6859Mapping file id6885 NCBI fileEvidenceTAS
GeneN4BP1AuthorityHGNC:29850Mapping file id9683 NCBI fileEvidenceTAS
GeneNFKB1AuthorityHGNC:7794Mapping file id4790 NCBI fileEvidenceTAS
GeneNFKB2AuthorityHGNC:7795Mapping file id4791 NCBI fileEvidenceTAS
GeneNFKBIAAuthorityHGNC:7797Mapping file id4792 NCBI fileEvidenceTAS
GeneNFKBIBAuthorityHGNC:7798Mapping file id4793 NCBI fileEvidenceTAS
GeneNKIRAS1AuthorityHGNC:17899Mapping file id28512 NCBI fileEvidenceTAS
GeneNKIRAS2AuthorityHGNC:17898Mapping file id28511 NCBI fileEvidenceTAS
GeneNLRC5AuthorityHGNC:29933Mapping file id84166 NCBI fileEvidenceTAS
GeneNLRX1AuthorityHGNC:29890Mapping file id79671 NCBI fileEvidenceTAS
GeneNOD1AuthorityHGNC:16390Mapping file id10392 NCBI fileEvidenceTAS
GeneNOD2AuthorityHGNC:5331Mapping file id64127 NCBI fileEvidenceTAS
GeneRELAAuthorityHGNC:9955Mapping file id5970 NCBI fileEvidenceTAS
GeneRIPK2AuthorityHGNC:10020Mapping file id8767 NCBI fileEvidenceTAS
GeneRPS27AAuthorityHGNC:10417Mapping file id6233 NCBI fileEvidenceTAS
GeneS100A12AuthorityHGNC:10489Mapping file id6283 NCBI fileEvidenceTAS
GeneS100BAuthorityHGNC:10500Mapping file id6285 NCBI fileEvidenceTAS
GeneSAA1AuthorityHGNC:10513Mapping file id6288 NCBI fileEvidenceTAS
GeneTAB1AuthorityHGNC:18157Mapping file id10454 NCBI fileEvidenceTAS
GeneTAB2AuthorityHGNC:17075Mapping file id23118 NCBI fileEvidenceTAS
GeneTAB3AuthorityHGNC:30681Mapping file id257397 NCBI fileEvidenceTAS
GeneTIFAAuthorityHGNC:19075Mapping file id92610 NCBI fileEvidenceTAS
GeneTP53AuthorityHGNC:11998Mapping file id7157 NCBI fileEvidenceTAS
GeneTRAF2AuthorityHGNC:12032Mapping file id7186 NCBI fileEvidenceTAS
GeneTRAF6AuthorityHGNC:12036Mapping file id7189 NCBI fileEvidenceTAS
GeneUBA52AuthorityHGNC:12458Mapping file id7311 NCBI fileEvidenceTAS
GeneUBBAuthorityHGNC:12463Mapping file id7314 NCBI fileEvidenceTAS
GeneUBCAuthorityHGNC:12468Mapping file id7316 NCBI fileEvidenceTAS
GeneUBE2NAuthorityHGNC:12492Mapping file id7334 NCBI fileEvidenceTAS
GeneUBE2V1AuthorityHGNC:12494Mapping file id7335 NCBI fileEvidenceTAS
GeneUSP14AuthorityHGNC:12612Mapping file id9097 NCBI fileEvidenceTAS
GeneUSP18AuthorityHGNC:12616Mapping file id11274 NCBI fileEvidenceTAS
Geneno symbol in the identity fileAuthoritynoneMapping file id43740575 NCBI fileEvidenceTAS

Evidence codes on this page: TAS, as the mapping file writes them; a row carrying two was written twice by the file, once under each. The mapping file id says which file placed the gene: an NCBI Gene id from NCBI2Reactome_All_Levels.txt, an Ensembl gene id from Ensembl2Reactome_All_Levels.txt. The two files can disagree about a code, so a row's codes are the one file's view. Measured by this site's build over this release on 2026-09-09: of the 138,908 human pathway-gene pairs both files place, 207 (0.149 per cent, over 47 genes) carry TAS in the Ensembl file where the NCBI rows carry IEA alone.

  • Reactome mapping files, the human rows for this pathway · Reactome release 97 · read · Reactome downloads"NCBI2Reactome_All_Levels.txt" and "Ensembl2Reactome_All_Levels.txt", Reactome, release 97, https://reactome.org/download-data/ (date of access 2026-09-09). Data CC0; attribution encouraged.

03The hierarchy

Parents and children in this release's hierarchy

Reactome's hierarchy is a graph rather than a tree: a pathway can sit under more than one parent, and the gene counts are each pathway's own placements at every level under it, so a parent's count is not the sum of its children's.

  • Reactome, the human pathway list and hierarchy relationship file · Reactome release 97 · read · Reactome downloads"ReactomePathways.txt" and "ReactomePathwaysRelation.txt", Reactome, release 97, https://reactome.org/download-data/ (date of access 2026-09-09). Data CC0; attribution encouraged.