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Pathway Human Homo sapiens

Nuclear Events (kinase and transcription factor activation)

R-HSA-198725 in Reactome release 97: under Signaling by NTRK1 (TRKA), with 61 genes placed in it by the mapping files and 3 child pathways 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-198725 (mouse), R-RNO-198725 (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 61 genes in this human pathway; showing 1 to 61, in pages of 100, sorted by symbol for reading. The order carries no ranking.

Genes Reactome places in this human pathway, page 1 of 1
GeneARCAuthorityHGNC:648Mapping file id23237 NCBI fileEvidenceIEA, TAS
GeneASCL1AuthorityHGNC:738Mapping file id429 NCBI fileEvidenceIEA, TAS
GeneATF1AuthorityHGNC:783Mapping file id466 NCBI fileEvidenceIEA, TAS
GeneATF2AuthorityHGNC:784Mapping file id1386 NCBI fileEvidenceIEA, TAS
GeneCDK5AuthorityHGNC:1774Mapping file id1020 NCBI fileEvidenceIEA
GeneCDK5R1AuthorityHGNC:1775Mapping file id8851 NCBI fileEvidenceIEA, TAS
GeneCDK5R2AuthorityHGNC:1776Mapping file id8941 NCBI fileEvidenceIEA
GeneCHD4AuthorityHGNC:1919Mapping file id1108 NCBI fileEvidenceTAS
GeneCREB1AuthorityHGNC:2345Mapping file id1385 NCBI fileEvidenceIEA, TAS
GeneDNM2AuthorityHGNC:2974Mapping file id1785 NCBI fileEvidenceIEA
GeneDUSP3AuthorityHGNC:3069Mapping file id1845 NCBI fileEvidenceTAS
GeneDUSP4AuthorityHGNC:3070Mapping file id1846 NCBI fileEvidenceTAS
GeneDUSP6AuthorityHGNC:3072Mapping file id1848 NCBI fileEvidenceTAS
GeneDUSP7AuthorityHGNC:3073Mapping file id1849 NCBI fileEvidenceTAS
GeneEGR1AuthorityHGNC:3238Mapping file id1958 NCBI fileEvidenceIEA, TAS
GeneEGR2AuthorityHGNC:3239Mapping file id1959 NCBI fileEvidenceIEA, TAS
GeneEGR3AuthorityHGNC:3240Mapping file id1960 NCBI fileEvidenceIEA, TAS
GeneEGR4AuthorityHGNC:3241Mapping file id1961 NCBI fileEvidenceTAS
GeneELK1AuthorityHGNC:3321Mapping file id2002 NCBI fileEvidenceIEA, TAS
GeneEP300AuthorityHGNC:3373Mapping file id2033 NCBI fileEvidenceIEA, TAS
GeneF3AuthorityHGNC:3541Mapping file id2152 NCBI fileEvidenceTAS
GeneFOSAuthorityHGNC:3796Mapping file id2353 NCBI fileEvidenceIEA, TAS
GeneFOSBAuthorityHGNC:3797Mapping file id2354 NCBI fileEvidenceIEA, TAS
GeneFOSL1AuthorityHGNC:13718Mapping file id8061 NCBI fileEvidenceIEA, TAS
GeneID1AuthorityHGNC:5360Mapping file id3397 NCBI fileEvidenceTAS
GeneID2AuthorityHGNC:5361Mapping file id3398 NCBI fileEvidenceTAS
GeneID3AuthorityHGNC:5362Mapping file id3399 NCBI fileEvidenceTAS
GeneID4AuthorityHGNC:5363Mapping file id3400 NCBI fileEvidenceTAS
GeneJUNBAuthorityHGNC:6205Mapping file id3726 NCBI fileEvidenceIEA, TAS
GeneJUNDAuthorityHGNC:6206Mapping file id3727 NCBI fileEvidenceIEA, TAS
GeneLYL1AuthorityHGNC:6734Mapping file id4066 NCBI fileEvidenceTAS
GeneMAPK1AuthorityHGNC:6871Mapping file id5594 NCBI fileEvidenceIEA, TAS
GeneMAPK11AuthorityHGNC:6873Mapping file id5600 NCBI fileEvidenceTAS
GeneMAPK14AuthorityHGNC:6876Mapping file id1432 NCBI fileEvidenceTAS
GeneMAPK3AuthorityHGNC:6877Mapping file id5595 NCBI fileEvidenceIEA, TAS
GeneMAPK7AuthorityHGNC:6880Mapping file id5598 NCBI fileEvidenceIEA, TAS
GeneMAPKAPK2AuthorityHGNC:6887Mapping file id9261 NCBI fileEvidenceTAS
GeneMEF2AAuthorityHGNC:6993Mapping file id4205 NCBI fileEvidenceIEA
GeneMEF2CAuthorityHGNC:6996Mapping file id4208 NCBI fileEvidenceIEA
GeneMEF2DAuthorityHGNC:6997Mapping file id4209 NCBI fileEvidenceIEA, TAS
GeneNAB1AuthorityHGNC:7626Mapping file id4664 NCBI fileEvidenceTAS
GeneNAB2AuthorityHGNC:7627Mapping file id4665 NCBI fileEvidenceIEA, TAS
GenePPP2CAAuthorityHGNC:9299Mapping file id5515 NCBI fileEvidenceTAS
GenePPP2CBAuthorityHGNC:9300Mapping file id5516 NCBI fileEvidenceTAS
GenePPP2R1AAuthorityHGNC:9302Mapping file id5518 NCBI fileEvidenceTAS
GenePPP2R1BAuthorityHGNC:9303Mapping file id5519 NCBI fileEvidenceTAS
GenePPP2R5DAuthorityHGNC:9312Mapping file id5528 NCBI fileEvidenceTAS
GeneRESTAuthorityHGNC:9966Mapping file id5978 NCBI fileEvidenceTAS
GeneRPS6KA1AuthorityHGNC:10430Mapping file id6195 NCBI fileEvidenceTAS
GeneRPS6KA2AuthorityHGNC:10431Mapping file id6196 NCBI fileEvidenceTAS
GeneRPS6KA3AuthorityHGNC:10432Mapping file id6197 NCBI fileEvidenceTAS
GeneRPS6KA5AuthorityHGNC:10434Mapping file id9252 NCBI fileEvidenceTAS
GeneRRADAuthorityHGNC:10446Mapping file id6236 NCBI fileEvidenceTAS
GeneSGK1AuthorityHGNC:10810Mapping file id6446 NCBI fileEvidenceTAS
GeneSH3GL3AuthorityHGNC:10832Mapping file id6457 NCBI fileEvidenceIEA
GeneSRFAuthorityHGNC:11291Mapping file id6722 NCBI fileEvidenceIEA, TAS
GeneTCF12AuthorityHGNC:11623Mapping file id6938 NCBI fileEvidenceIEA, TAS
GeneTPH1AuthorityHGNC:12008Mapping file id7166 NCBI fileEvidenceTAS
GeneTRIB1AuthorityHGNC:16891Mapping file id10221 NCBI fileEvidenceTAS
GeneVGFAuthorityHGNC:12684Mapping file id7425 NCBI fileEvidenceTAS
GeneVRK3AuthorityHGNC:18996Mapping file id51231 NCBI fileEvidenceTAS

Evidence codes on this page: IEA, 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.