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Pathway Mouse Mus musculus

Read this first

Every mouse pathway in Reactome is electronically inferred from the curated human one; Reactome's own sentence about that stands beside the record below.

Antimicrobial peptides

R-MMU-6803157 in Reactome release 97: under Innate Immune System, with 92 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-HSA-6803157 (human), R-RNO-6803157 (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.

Every mouse pathway in Reactome is inferred from the curated human one: We use the set of manually curated human reactions to electronically infer reactions in fourteen evolutionarily divergent eukaryotic species for which high-quality whole-genome sequence data are available, and hence a comprehensive and high-quality set of protein predictions exists. [R11] Reactome's own sentence about what that produces is printed beside the record: The electronically inferred reactions presented in Reactome are thus not data, but hypotheses useful to direct the design of confirmatory experiments. [R11]

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. [R11] Reactome, reactome.org. Computationally inferred events. https://reactome.org/documentation/inferred-events, read 2026-09-09.
  5. [R12] Reactome, reactome.org. Citing us. https://reactome.org/cite, read 2026-09-09.
  6. [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 mouse pathway

The mapping files place 92 genes in this mouse pathway; showing 1 to 92, in pages of 100, sorted by symbol for reading. The order carries no ranking.

Genes Reactome places in this mouse pathway, page 1 of 1
GeneArt1Authority11870Mapping file id11870 NCBI fileEvidenceIEA
GeneAtox1Authority11927Mapping file id11927 NCBI fileEvidenceIEA
GeneAtp7aAuthority11977Mapping file id11977 NCBI fileEvidenceIEA
GeneAY761185Authority100503970Mapping file id100503970 NCBI fileEvidenceIEA
GeneBpiAuthority329547Mapping file id329547 NCBI fileEvidenceIEA
GeneBpifa1Authority18843Mapping file id18843 NCBI fileEvidenceIEA
GeneBpifa2Authority19194Mapping file id19194 NCBI fileEvidenceIEA
GeneBpifb1Authority228801Mapping file id228801 NCBI fileEvidenceIEA
GeneBpifb2Authority66557Mapping file id66557 NCBI fileEvidenceIEA
GeneBpifb4Authority381399Mapping file id381399 NCBI fileEvidenceIEA
GeneBpifb6Authority228796Mapping file id228796 NCBI fileEvidenceIEA
GeneCampAuthority12796Mapping file id12796 NCBI fileEvidenceIEA
GeneCcr6Authority12458Mapping file id12458 NCBI fileEvidenceIEA
GeneCd4Authority12504Mapping file id12504 NCBI fileEvidenceIEA
GeneChgaAuthority12652Mapping file id12652 NCBI fileEvidenceIEA
GeneCluAuthority12759Mapping file id12759 NCBI fileEvidenceIEA
GeneCtsgAuthority13035Mapping file id13035 NCBI fileEvidenceIEA
GeneDefa17Authority23855Mapping file id23855 NCBI fileEvidenceIEA
GeneDefa2Authority100294660Mapping file idENSMUSG00000096295 Ensembl fileEvidenceIEA
GeneDefa20Authority68009Mapping file id68009 NCBI fileEvidenceIEA
GeneDefa21Authority66298Mapping file id66298 NCBI fileEvidenceIEA
GeneDefa22Authority382059Mapping file id382059 NCBI fileEvidenceIEA
GeneDefa23Authority497114Mapping file id497114 NCBI fileEvidenceIEA
GeneDefa24Authority503491Mapping file id503491 NCBI fileEvidenceIEA
GeneDefa25Authority13236Mapping file id13236 NCBI fileEvidenceIEA
GeneDefa26Authority626708Mapping file id626708 NCBI fileEvidenceIEA
GeneDefa28Authority626682Mapping file id626682 NCBI fileEvidenceIEA
GeneDefa29Authority13218Mapping file idENSMUSG00000074437 Ensembl fileEvidenceIEA
GeneDefa3Authority13237Mapping file id13237 NCBI fileEvidenceIEA
GeneDefa30Authority100038927Mapping file id100038927 NCBI fileEvidenceIEA
GeneDefa31Authority13226Mapping file id13226 NCBI fileEvidenceIEA
GeneDefa32Authority100041890Mapping file id100041890 NCBI fileEvidenceIEA
GeneDefa34Authority100041952Mapping file id100041952 NCBI fileEvidenceIEA
GeneDefa35Authority100041688Mapping file id100041688 NCBI fileEvidenceIEA
GeneDefa36Authority100862126Mapping file id100862126 NCBI fileEvidenceIEA
GeneDefa37Authority100041895Mapping file id100041895 NCBI fileEvidenceIEA
GeneDefa38Authority634825Mapping file id634825 NCBI fileEvidenceIEA
GeneDefa39Authority382000Mapping file id382000 NCBI fileEvidenceIEA
GeneDefa40Authority100041787Mapping file id100041787 NCBI fileEvidenceIEA
GeneDefa41Authority100041759Mapping file id100041759 NCBI fileEvidenceIEA
GeneDefa42Authority665927Mapping file id665927 NCBI fileEvidenceIEA
GeneDefa43Authority665956Mapping file id665956 NCBI fileEvidenceIEA
GeneDefa5Authority13239Mapping file idENSMUSG00000074439 Ensembl fileEvidenceIEA
GeneDefb1Authority13214Mapping file id13214 NCBI fileEvidenceIEA
GeneDefb14Authority244332Mapping file id244332 NCBI fileEvidenceIEA
GeneDefb18Authority654460Mapping file id654460 NCBI fileEvidenceIEA
GeneDefb19Authority246700Mapping file id246700 NCBI fileEvidenceIEA
GeneDefb21Authority403172Mapping file id403172 NCBI fileEvidenceIEA
GeneDefb25Authority654459Mapping file id654459 NCBI fileEvidenceIEA
GeneDefb28Authority545475Mapping file id545475 NCBI fileEvidenceIEA
GeneDefb3Authority27358Mapping file id27358 NCBI fileEvidenceIEA
GeneDefb30Authority73670Mapping file id73670 NCBI fileEvidenceIEA
GeneDefb36Authority266620Mapping file id266620 NCBI fileEvidenceIEA
GeneDefb4Authority56519Mapping file id56519 NCBI fileEvidenceIEA
GeneDefb42Authority619548Mapping file id619548 NCBI fileEvidenceIEA
GeneDefb43Authority654458Mapping file id654458 NCBI fileEvidenceIEA
GeneDefb47Authority654465Mapping file id654465 NCBI fileEvidenceIEA
GeneDefb48Authority432867Mapping file id432867 NCBI fileEvidenceIEA
GeneElaneAuthority50701Mapping file id50701 NCBI fileEvidenceIEA
GeneEppinAuthority75526Mapping file id75526 NCBI fileEvidenceIEA
GeneItln1Authority16429Mapping file id16429 NCBI fileEvidenceIEA
GeneLcn2Authority16819Mapping file id16819 NCBI fileEvidenceIEA
GeneLeap2Authority259301Mapping file id259301 NCBI fileEvidenceIEA
GeneLtfAuthority17002Mapping file id17002 NCBI fileEvidenceIEA
GeneLyz2Authority17105Mapping file id17105 NCBI fileEvidenceIEA
GenePdzd11Authority72621Mapping file id72621 NCBI fileEvidenceIEA
GenePglyrp1Authority21946Mapping file id21946 NCBI fileEvidenceIEA
GenePglyrp2Authority57757Mapping file id57757 NCBI fileEvidenceIEA
GenePglyrp3Authority242100Mapping file id242100 NCBI fileEvidenceIEA
GenePglyrp4Authority384997Mapping file id384997 NCBI fileEvidenceIEA
GenePla2g2aAuthority18780Mapping file id18780 NCBI fileEvidenceIEA
GenePrss1Authority114228Mapping file id114228 NCBI fileEvidenceIEA
GenePrss1lAuthority436523Mapping file id436523 NCBI fileEvidenceIEA
GenePrss2Authority22072Mapping file id22072 NCBI fileEvidenceIEA
GenePrss3Authority22073Mapping file id22073 NCBI fileEvidenceIEA
GenePrss3lAuthority100040233Mapping file id100040233 NCBI fileEvidenceIEA
GenePrtn3Authority19152Mapping file id19152 NCBI fileEvidenceIEA
GeneReg3aAuthority19694Mapping file id19694 NCBI fileEvidenceIEA
GeneReg3bAuthority18489Mapping file id18489 NCBI fileEvidenceIEA
GeneReg3dAuthority30053Mapping file id30053 NCBI fileEvidenceIEA
GeneReg3gAuthority19695Mapping file id19695 NCBI fileEvidenceIEA
GeneRnase2aAuthority93726Mapping file id93726 NCBI fileEvidenceIEA
GeneRnase6Authority78416Mapping file id78416 NCBI fileEvidenceIEA
GeneS100a8Authority20201Mapping file id20201 NCBI fileEvidenceIEA
GeneS100a9Authority20202Mapping file id20202 NCBI fileEvidenceIEA
GeneSlc11a1Authority18173Mapping file id18173 NCBI fileEvidenceIEA
GeneSvs3bAuthority329557Mapping file id329557 NCBI fileEvidenceIEA
GeneTlr1Authority21897Mapping file id21897 NCBI fileEvidenceIEA
GeneTlr2Authority24088Mapping file id24088 NCBI fileEvidenceIEA
GeneTry10Authority436522Mapping file id436522 NCBI fileEvidenceIEA
GeneTry4Authority22074Mapping file id22074 NCBI fileEvidenceIEA
GeneTry5Authority103964Mapping file id103964 NCBI fileEvidenceIEA

Evidence codes on this page: IEA, 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: the two files disagree on none of the 87,729 mouse pairs both place.

  • Reactome mapping files, the mouse 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 mouse 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.