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Pathway Human Homo sapiens

Glutathione conjugation

R-HSA-156590 in Reactome release 97: under Phase II - Conjugation of compounds, with 36 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-156590 (mouse), R-RNO-156590 (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 36 genes in this human pathway; showing 1 to 36, 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
GeneAKR1A1AuthorityHGNC:380Mapping file id10327 NCBI fileEvidenceTAS
GeneCHAC1AuthorityHGNC:28680Mapping file id79094 NCBI fileEvidenceTAS
GeneCHAC2AuthorityHGNC:32363Mapping file id494143 NCBI fileEvidenceTAS
GeneCNDP2AuthorityHGNC:24437Mapping file id55748 NCBI fileEvidenceTAS
GeneESDAuthorityHGNC:3465Mapping file id2098 NCBI fileEvidenceTAS
GeneGCLCAuthorityHGNC:4311Mapping file id2729 NCBI fileEvidenceTAS
GeneGCLMAuthorityHGNC:4312Mapping file id2730 NCBI fileEvidenceTAS
GeneGGCTAuthorityHGNC:21705Mapping file id79017 NCBI fileEvidenceTAS
GeneGGT1AuthorityHGNC:4250Mapping file id2678 NCBI fileEvidenceTAS
GeneGGT5AuthorityHGNC:4260Mapping file id2687 NCBI fileEvidenceTAS
GeneGGT6AuthorityHGNC:26891Mapping file id124975 NCBI fileEvidenceTAS
GeneGGT7AuthorityHGNC:4259Mapping file id2686 NCBI fileEvidenceTAS
GeneGSSAuthorityHGNC:4624Mapping file id2937 NCBI fileEvidenceTAS
GeneGSTA1AuthorityHGNC:4626Mapping file id2938 NCBI fileEvidenceTAS
GeneGSTA2AuthorityHGNC:4627Mapping file id2939 NCBI fileEvidenceTAS
GeneGSTA3AuthorityHGNC:4628Mapping file id2940 NCBI fileEvidenceTAS
GeneGSTA4AuthorityHGNC:4629Mapping file id2941 NCBI fileEvidenceTAS
GeneGSTA5AuthorityHGNC:19662Mapping file id221357 NCBI fileEvidenceTAS
GeneGSTK1AuthorityHGNC:16906Mapping file id373156 NCBI fileEvidenceTAS
GeneGSTM1AuthorityHGNC:4632Mapping file id2944 NCBI fileEvidenceTAS
GeneGSTM2AuthorityHGNC:4634Mapping file id2946 NCBI fileEvidenceTAS
GeneGSTM3AuthorityHGNC:4635Mapping file id2947 NCBI fileEvidenceTAS
GeneGSTM4AuthorityHGNC:4636Mapping file id2948 NCBI fileEvidenceTAS
GeneGSTM5AuthorityHGNC:4637Mapping file id2949 NCBI fileEvidenceTAS
GeneGSTO1AuthorityHGNC:13312Mapping file id9446 NCBI fileEvidenceTAS
GeneGSTO2AuthorityHGNC:23064Mapping file id119391 NCBI fileEvidenceTAS
GeneGSTP1AuthorityHGNC:4638Mapping file id2950 NCBI fileEvidenceTAS
GeneGSTT1AuthorityHGNC:4641Mapping file id2952 NCBI fileEvidenceTAS
GeneGSTT2AuthorityHGNC:4642Mapping file id2953 NCBI fileEvidenceTAS
GeneGSTT2BAuthorityHGNC:33437Mapping file id653689 NCBI fileEvidenceTAS
GeneGSTZ1AuthorityHGNC:4643Mapping file id2954 NCBI fileEvidenceTAS
GeneHPGDSAuthorityHGNC:17890Mapping file id27306 NCBI fileEvidenceTAS
GeneMGST1AuthorityHGNC:7061Mapping file id4257 NCBI fileEvidenceTAS
GeneMGST2AuthorityHGNC:7063Mapping file id4258 NCBI fileEvidenceTAS
GeneMGST3AuthorityHGNC:7064Mapping file id4259 NCBI fileEvidenceTAS
GeneOPLAHAuthorityHGNC:8149Mapping file id26873 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.