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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 1,001 to 1,100, in pages of 100, sorted by symbol for reading. The order carries no ranking.

Genes Reactome places in this human pathway, page 11 of 26
GeneIL17RAAuthorityHGNC:5985Mapping file id23765 NCBI fileEvidenceTAS
GeneIL17RCAuthorityHGNC:18358Mapping file id84818 NCBI fileEvidenceTAS
GeneIL18AuthorityHGNC:5986Mapping file id3606 NCBI fileEvidenceTAS
GeneIL1AAuthorityHGNC:5991Mapping file id3552 NCBI fileEvidenceTAS
GeneIL1BAuthorityHGNC:5992Mapping file id3553 NCBI fileEvidenceTAS
GeneIL1R1AuthorityHGNC:5993Mapping file id3554 NCBI fileEvidenceTAS
GeneIL22AuthorityHGNC:14900Mapping file id50616 NCBI fileEvidenceTAS
GeneIL6AuthorityHGNC:6018Mapping file id3569 NCBI fileEvidenceTAS
GeneIL6RAuthorityHGNC:6019Mapping file id3570 NCBI fileEvidenceTAS
GeneIMPDH1AuthorityHGNC:6052Mapping file id3614 NCBI fileEvidenceTAS
GeneIMPDH2AuthorityHGNC:6053Mapping file id3615 NCBI fileEvidenceTAS
GeneIPO5AuthorityHGNC:6402Mapping file id3843 NCBI fileEvidenceTAS
GeneIPO7AuthorityHGNC:9852Mapping file id10527 NCBI fileEvidenceTAS
GeneIQGAP1AuthorityHGNC:6110Mapping file id8826 NCBI fileEvidenceTAS
GeneIRAK1AuthorityHGNC:6112Mapping file id3654 NCBI fileEvidenceTAS
GeneIRAK2AuthorityHGNC:6113Mapping file id3656 NCBI fileEvidenceTAS
GeneIRAK4AuthorityHGNC:17967Mapping file id51135 NCBI fileEvidenceTAS
GeneIRF3AuthorityHGNC:6118Mapping file id3661 NCBI fileEvidenceTAS
GeneIRF4AuthorityHGNC:6119Mapping file id3662 NCBI fileEvidenceTAS
GeneIRF7AuthorityHGNC:6122Mapping file id3665 NCBI fileEvidenceTAS
GeneIRS1AuthorityHGNC:6125Mapping file id3667 NCBI fileEvidenceTAS
GeneIRS2AuthorityHGNC:6126Mapping file id8660 NCBI fileEvidenceTAS
GeneISCUAuthorityHGNC:29882Mapping file id23479 NCBI fileEvidenceTAS
GeneISG15AuthorityHGNC:4053Mapping file id9636 NCBI fileEvidenceTAS
GeneISY1AuthorityHGNC:29201Mapping file id57461 NCBI fileEvidenceTAS
GeneISY1-RAB43AuthorityHGNC:42969Mapping file id100534599 NCBI fileEvidenceTAS
GeneITCHAuthorityHGNC:13890Mapping file id83737 NCBI fileEvidenceTAS
GeneITGA2BAuthorityHGNC:6138Mapping file id3674 NCBI fileEvidenceTAS
GeneITGA4AuthorityHGNC:6140Mapping file id3676 NCBI fileEvidenceTAS
GeneITGB1AuthorityHGNC:6153Mapping file id3688 NCBI fileEvidenceTAS
GeneITGB3AuthorityHGNC:6156Mapping file id3690 NCBI fileEvidenceTAS
GeneITPR1AuthorityHGNC:6180Mapping file id3708 NCBI fileEvidenceIEA
GeneITPR2AuthorityHGNC:6181Mapping file id3709 NCBI fileEvidenceIEA
GeneITPR3AuthorityHGNC:6182Mapping file id3710 NCBI fileEvidenceIEA
GeneIVDAuthorityHGNC:6186Mapping file id3712 NCBI fileEvidenceTAS
GeneJAG1AuthorityHGNC:6188Mapping file id182 NCBI fileEvidenceTAS
GeneJAG2AuthorityHGNC:6189Mapping file id3714 NCBI fileEvidenceTAS
GeneJAK1AuthorityHGNC:6190Mapping file id3716 NCBI fileEvidenceTAS
GeneJAK2AuthorityHGNC:6192Mapping file id3717 NCBI fileEvidenceTAS
GeneJAK3AuthorityHGNC:6193Mapping file id3718 NCBI fileEvidenceTAS
GeneJUNAuthorityHGNC:6204Mapping file id3725 NCBI fileEvidenceIEA, TAS
GeneJUNBAuthorityHGNC:6205Mapping file id3726 NCBI fileEvidenceTAS
GeneKANK1AuthorityHGNC:19309Mapping file id23189 NCBI fileEvidenceTAS
GeneKAT2AAuthorityHGNC:4201Mapping file id2648 NCBI fileEvidenceTAS
GeneKAT2BAuthorityHGNC:8638Mapping file id8850 NCBI fileEvidenceTAS
GeneKAT5AuthorityHGNC:5275Mapping file id10524 NCBI fileEvidenceTAS
GeneKCNJ11AuthorityHGNC:6257Mapping file id3767 NCBI fileEvidenceTAS
GeneKDELR1AuthorityHGNC:6304Mapping file id10945 NCBI fileEvidenceTAS
GeneKDM1AAuthorityHGNC:29079Mapping file id23028 NCBI fileEvidenceTAS
GeneKDM7AAuthorityHGNC:22224Mapping file id80853 NCBI fileEvidenceTAS
GeneKDRAuthorityHGNC:6307Mapping file id3791 NCBI fileEvidenceTAS
GeneKEAP1AuthorityHGNC:23177Mapping file id9817 NCBI fileEvidenceTAS
GeneKERAAuthorityHGNC:6309Mapping file id11081 NCBI fileEvidenceTAS
GeneKHKAuthorityHGNC:6315Mapping file id3795 NCBI fileEvidenceTAS
GeneKIAA1549AuthorityHGNC:22219Mapping file id57670 NCBI fileEvidenceTAS
GeneKIF5BAuthorityHGNC:6324Mapping file id3799 NCBI fileEvidenceTAS
GeneKITAuthorityHGNC:6342Mapping file id3815 NCBI fileEvidenceTAS
GeneKITLGAuthorityHGNC:6343Mapping file id4254 NCBI fileEvidenceTAS
GeneKLAuthorityHGNC:6344Mapping file id9365 NCBI fileEvidenceTAS
GeneKLBAuthorityHGNC:15527Mapping file id152831 NCBI fileEvidenceTAS
GeneKLC1AuthorityHGNC:6387Mapping file id3831 NCBI fileEvidenceTAS
GeneKLKB1AuthorityHGNC:6371Mapping file id3818 NCBI fileEvidenceTAS
GeneKMT2DAuthorityHGNC:7133Mapping file id8085 NCBI fileEvidenceTAS
GeneKPNA1AuthorityHGNC:6394Mapping file id3836 NCBI fileEvidenceIEA, TAS
GeneKPNA2AuthorityHGNC:6395Mapping file id3838 NCBI fileEvidenceIEA, TAS
GeneKPNA3AuthorityHGNC:6396Mapping file id3839 NCBI fileEvidenceIEA, TAS
GeneKPNA4AuthorityHGNC:6397Mapping file id3840 NCBI fileEvidenceIEA, TAS
GeneKPNA5AuthorityHGNC:6398Mapping file id3841 NCBI fileEvidenceIEA, TAS
GeneKPNA7AuthorityHGNC:21839Mapping file id402569 NCBI fileEvidenceIEA, TAS
GeneKPNB1AuthorityHGNC:6400Mapping file id3837 NCBI fileEvidenceIEA, TAS
GeneKRASAuthorityHGNC:6407Mapping file id3845 NCBI fileEvidenceTAS
GeneKREMEN1AuthorityHGNC:17550Mapping file id83999 NCBI fileEvidenceTAS
GeneKREMEN2AuthorityHGNC:18797Mapping file id79412 NCBI fileEvidenceTAS
GeneKSR1AuthorityHGNC:6465Mapping file id8844 NCBI fileEvidenceTAS
GeneKSR2AuthorityHGNC:18610Mapping file id283455 NCBI fileEvidenceTAS
GeneLAMA1AuthorityHGNC:6481Mapping file id284217 NCBI fileEvidenceTAS
GeneLAMA2AuthorityHGNC:6482Mapping file id3908 NCBI fileEvidenceTAS
GeneLAMA3AuthorityHGNC:6483Mapping file id3909 NCBI fileEvidenceTAS
GeneLAMA4AuthorityHGNC:6484Mapping file id3910 NCBI fileEvidenceTAS
GeneLAMA5AuthorityHGNC:6485Mapping file id3911 NCBI fileEvidenceTAS
GeneLAMB1AuthorityHGNC:6486Mapping file id3912 NCBI fileEvidenceTAS
GeneLAMB2AuthorityHGNC:6487Mapping file id3913 NCBI fileEvidenceTAS
GeneLAMB3AuthorityHGNC:6490Mapping file id3914 NCBI fileEvidenceTAS
GeneLAMC1AuthorityHGNC:6492Mapping file id3915 NCBI fileEvidenceTAS
GeneLAMC2AuthorityHGNC:6493Mapping file id3918 NCBI fileEvidenceTAS
GeneLAMC3AuthorityHGNC:6494Mapping file id10319 NCBI fileEvidenceTAS
GeneLARGE1AuthorityHGNC:6511Mapping file id9215 NCBI fileEvidenceTAS
GeneLARP1AuthorityHGNC:29531Mapping file id23367 NCBI fileEvidenceTAS
GeneLCKAuthorityHGNC:6524Mapping file id3932 NCBI fileEvidenceTAS
GeneLCTAuthorityHGNC:6530Mapping file id3938 NCBI fileEvidenceTAS
GeneLEO1AuthorityHGNC:30401Mapping file id123169 NCBI fileEvidenceTAS
GeneLFNGAuthorityHGNC:6560Mapping file id3955 NCBI fileEvidenceTAS
GeneLIG1AuthorityHGNC:6598Mapping file id3978 NCBI fileEvidenceTAS
GeneLIG4AuthorityHGNC:6601Mapping file id3981 NCBI fileEvidenceTAS
GeneLMBRD1AuthorityHGNC:23038Mapping file id55788 NCBI fileEvidenceTAS
GeneLMNAAuthorityHGNC:6636Mapping file id4000 NCBI fileEvidenceIEA, TAS
GeneLMNB1AuthorityHGNC:6637Mapping file id4001 NCBI fileEvidenceIEA
GeneLMO7AuthorityHGNC:6646Mapping file id4008 NCBI fileEvidenceTAS
GeneLRATAuthorityHGNC:6685Mapping file id9227 NCBI fileEvidenceTAS
GeneLRP5AuthorityHGNC:6697Mapping file id4041 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.