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Pathway Human Homo sapiens

Disease

R-HSA-1643685 in Reactome release 97: a top-level pathway, with 2,550 genes placed in it by the mapping files and 12 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; neither of the other two lists holds it. 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 2,550 genes in this human pathway; showing 1,301 to 1,400, in pages of 100, sorted by symbol for reading. The order carries no ranking.

Genes Reactome places in this human pathway, page 14 of 26
GeneNRASAuthorityHGNC:7989Mapping file id4893 NCBI fileEvidenceTAS
GeneNRBP1AuthorityHGNC:7993Mapping file id29959 NCBI fileEvidenceTAS
GeneNRG1AuthorityHGNC:7997Mapping file id3084 NCBI fileEvidenceTAS
GeneNRG2AuthorityHGNC:7998Mapping file id9542 NCBI fileEvidenceTAS
GeneNRG3AuthorityHGNC:7999Mapping file id10718 NCBI fileEvidenceTAS
GeneNRG4AuthorityHGNC:29862Mapping file id145957 NCBI fileEvidenceTAS
GeneNRP1AuthorityHGNC:8004Mapping file id8829 NCBI fileEvidenceTAS
GeneNT5EAuthorityHGNC:8021Mapping file id4907 NCBI fileEvidenceTAS
GeneNTF3AuthorityHGNC:8023Mapping file id4908 NCBI fileEvidenceTAS
GeneNTF4AuthorityHGNC:8024Mapping file id4909 NCBI fileEvidenceTAS
GeneNTHL1AuthorityHGNC:8028Mapping file id4913 NCBI fileEvidenceTAS
GeneNTRK2AuthorityHGNC:8032Mapping file id4915 NCBI fileEvidenceTAS
GeneNTRK3AuthorityHGNC:8033Mapping file id4916 NCBI fileEvidenceTAS
GeneNUCLEOLINAuthorityHGNC:7667Mapping file id4691 NCBI fileEvidenceTAS
GeneNUDT21AuthorityHGNC:13870Mapping file id11051 NCBI fileEvidenceTAS
GeneNUP107AuthorityHGNC:29914Mapping file id57122 NCBI fileEvidenceIEA, TAS
GeneNUP133AuthorityHGNC:18016Mapping file id55746 NCBI fileEvidenceIEA, TAS
GeneNUP153AuthorityHGNC:8062Mapping file id9972 NCBI fileEvidenceIEA, TAS
GeneNUP155AuthorityHGNC:8063Mapping file id9631 NCBI fileEvidenceIEA, TAS
GeneNUP160AuthorityHGNC:18017Mapping file id23279 NCBI fileEvidenceIEA, TAS
GeneNUP188AuthorityHGNC:17859Mapping file id23511 NCBI fileEvidenceIEA, TAS
GeneNUP205AuthorityHGNC:18658Mapping file id23165 NCBI fileEvidenceIEA, TAS
GeneNUP210AuthorityHGNC:30052Mapping file id23225 NCBI fileEvidenceIEA, TAS
GeneNUP214AuthorityHGNC:8064Mapping file id8021 NCBI fileEvidenceIEA, TAS
GeneNUP35AuthorityHGNC:29797Mapping file id129401 NCBI fileEvidenceIEA, TAS
GeneNUP37AuthorityHGNC:29929Mapping file id79023 NCBI fileEvidenceIEA, TAS
GeneNUP42AuthorityHGNC:17010Mapping file id11097 NCBI fileEvidenceIEA, TAS
GeneNUP43AuthorityHGNC:21182Mapping file id348995 NCBI fileEvidenceIEA, TAS
GeneNUP50AuthorityHGNC:8065Mapping file id10762 NCBI fileEvidenceIEA, TAS
GeneNUP54AuthorityHGNC:17359Mapping file id53371 NCBI fileEvidenceIEA, TAS
GeneNUP58AuthorityHGNC:20261Mapping file id9818 NCBI fileEvidenceIEA, TAS
GeneNUP62AuthorityHGNC:8066Mapping file id23636 NCBI fileEvidenceIEA, TAS
GeneNUP85AuthorityHGNC:8734Mapping file id79902 NCBI fileEvidenceIEA, TAS
GeneNUP88AuthorityHGNC:8067Mapping file id4927 NCBI fileEvidenceIEA, TAS
GeneNUP93AuthorityHGNC:28958Mapping file id9688 NCBI fileEvidenceIEA, TAS
GeneNUP98AuthorityHGNC:8068Mapping file id4928 NCBI fileEvidenceIEA, TAS
GeneNUS1AuthorityHGNC:21042Mapping file id116150 NCBI fileEvidenceTAS
GeneOAS2AuthorityHGNC:8087Mapping file id4939 NCBI fileEvidenceTAS
GeneOGG1AuthorityHGNC:8125Mapping file id4968 NCBI fileEvidenceTAS
GeneOGNAuthorityHGNC:8126Mapping file id4969 NCBI fileEvidenceTAS
GeneOMDAuthorityHGNC:8134Mapping file id4958 NCBI fileEvidenceTAS
GeneOPLAHAuthorityHGNC:8149Mapping file id26873 NCBI fileEvidenceTAS
GeneOPN1LWAuthorityHGNC:9936Mapping file id5956 NCBI fileEvidenceTAS
GeneOPN1MWAuthorityHGNC:4206Mapping file id2652 NCBI fileEvidenceTAS
GeneOPN1MW3AuthorityHGNC:51831Mapping file id101060233 NCBI fileEvidenceTAS
GeneOPN1SWAuthorityHGNC:1012Mapping file id611 NCBI fileEvidenceTAS
GeneOS9AuthorityHGNC:16994Mapping file id10956 NCBI fileEvidenceTAS
GeneOST4AuthorityHGNC:32483Mapping file id100128731 NCBI fileEvidenceTAS
GeneOSTCAuthorityHGNC:24448Mapping file id58505 NCBI fileEvidenceTAS
GeneOTCAuthorityHGNC:8512Mapping file id5009 NCBI fileEvidenceTAS
GeneP2RX4AuthorityHGNC:8535Mapping file id5025 NCBI fileEvidenceTAS
GeneP2RX7AuthorityHGNC:8537Mapping file id5027 NCBI fileEvidenceTAS
GeneP4HA1AuthorityHGNC:8546Mapping file id5033 NCBI fileEvidenceTAS
GeneP4HA2AuthorityHGNC:8547Mapping file id8974 NCBI fileEvidenceTAS
GeneP4HA3AuthorityHGNC:30135Mapping file id283208 NCBI fileEvidenceTAS
GeneP4HBAuthorityHGNC:8548Mapping file id5034 NCBI fileEvidenceTAS
GenePABPC1AuthorityHGNC:8554Mapping file id26986 NCBI fileEvidenceTAS
GenePABPN1AuthorityHGNC:8565Mapping file id8106 NCBI fileEvidenceTAS
GenePACS1AuthorityHGNC:30032Mapping file id55690 NCBI fileEvidenceTAS
GenePAF1AuthorityHGNC:25459Mapping file id54623 NCBI fileEvidenceTAS
GenePAHAuthorityHGNC:8582Mapping file id5053 NCBI fileEvidenceTAS
GenePAK2AuthorityHGNC:8591Mapping file id5062 NCBI fileEvidenceTAS
GenePALB2AuthorityHGNC:26144Mapping file id79728 NCBI fileEvidenceTAS
GenePALS1AuthorityHGNC:18669Mapping file id64398 NCBI fileEvidenceIEA, TAS
GenePAPOLAAuthorityHGNC:14981Mapping file id10914 NCBI fileEvidenceTAS
GenePAPSS1AuthorityHGNC:8603Mapping file id9061 NCBI fileEvidenceTAS
GenePAPSS2AuthorityHGNC:8604Mapping file id9060 NCBI fileEvidenceTAS
GenePARP1AuthorityHGNC:270Mapping file id142 NCBI fileEvidenceTAS
GenePARP10AuthorityHGNC:25895Mapping file id84875 NCBI fileEvidenceIEA, TAS
GenePARP14AuthorityHGNC:29232Mapping file id54625 NCBI fileEvidenceIEA, TAS
GenePARP16AuthorityHGNC:26040Mapping file id54956 NCBI fileEvidenceIEA, TAS
GenePARP4AuthorityHGNC:271Mapping file id143 NCBI fileEvidenceIEA, TAS
GenePARP6AuthorityHGNC:26921Mapping file id56965 NCBI fileEvidenceIEA, TAS
GenePARP8AuthorityHGNC:26124Mapping file id79668 NCBI fileEvidenceIEA, TAS
GenePARP9AuthorityHGNC:24118Mapping file id83666 NCBI fileEvidenceIEA, TAS
GenePATJAuthorityHGNC:28881Mapping file id10207 NCBI fileEvidenceTAS
GenePCAuthorityHGNC:8636Mapping file id5091 NCBI fileEvidenceTAS
GenePCBP1AuthorityHGNC:8647Mapping file id5093 NCBI fileEvidenceTAS
GenePCBP2AuthorityHGNC:8648Mapping file id5094 NCBI fileEvidenceTAS
GenePCCAAuthorityHGNC:8653Mapping file id5095 NCBI fileEvidenceTAS
GenePCCBAuthorityHGNC:8654Mapping file id5096 NCBI fileEvidenceTAS
GenePCF11AuthorityHGNC:30097Mapping file id51585 NCBI fileEvidenceTAS
GenePDCD1AuthorityHGNC:8760Mapping file id5133 NCBI fileEvidenceTAS
GenePDCD6IPAuthorityHGNC:8766Mapping file id10015 NCBI fileEvidenceTAS
GenePDGFAAuthorityHGNC:8799Mapping file id5154 NCBI fileEvidenceTAS
GenePDGFBAuthorityHGNC:8800Mapping file id5155 NCBI fileEvidenceTAS
GenePDGFRAAuthorityHGNC:8803Mapping file id5156 NCBI fileEvidenceTAS
GenePDGFRBAuthorityHGNC:8804Mapping file id5159 NCBI fileEvidenceTAS
GenePDIA3AuthorityHGNC:4606Mapping file id2923 NCBI fileEvidenceTAS
GenePDPK1AuthorityHGNC:8816Mapping file id5170 NCBI fileEvidenceTAS
GenePEBP1AuthorityHGNC:8630Mapping file id5037 NCBI fileEvidenceTAS
GenePEX19AuthorityHGNC:9713Mapping file id5824 NCBI fileEvidenceTAS
GenePGK1AuthorityHGNC:8896Mapping file id5230 NCBI fileEvidenceTAS
GenePGM1AuthorityHGNC:8905Mapping file id5236 NCBI fileEvidenceTAS
GenePHB1AuthorityHGNC:8912Mapping file id5245 NCBI fileEvidenceTAS
GenePHF21AAuthorityHGNC:24156Mapping file id51317 NCBI fileEvidenceTAS
GenePHF5AAuthorityHGNC:18000Mapping file id84844 NCBI fileEvidenceTAS
GenePIK3AP1AuthorityHGNC:30034Mapping file id118788 NCBI fileEvidenceTAS
GenePIK3C3AuthorityHGNC:8974Mapping file id5289 NCBI fileEvidenceIEA, TAS
GenePIK3CAAuthorityHGNC:8975Mapping file id5290 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.