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Mouse Nomenclature Home Page
The Mouse Genome Informatics Database is the authoritative source of official names for mouse genes, alleles, and strains. Nomenclature follows the rules and guidelines established by the International Committee on Standardized Genetic Nomenclature for Mice.
Rules and Guidelines
Genes, Alleles, and Mutations Full Guide Guidelines for Nomenclature of Genes, Genetic Markers, Alleles, and Mutations in Mouse and Rat
Quick GuidesQuick Guide to Nomenclature for Genes
Quick Guide to Nomenclature for Alleles and Mutations
IKMC Guides Nomenclature for mutant alleles generated in ES cell lines by the International Knockout Mouse Consortium (IKMC)
Diagrams of general structure of IKMC primary alleles and derivative alleles
ChecklistNomenclature Checklist (checklist for proposing a locus symbol)
StrainsFull GuideGuidelines for Nomenclature of Mouse and Rat Strains
AberrationsFull GuideRules for Nomenclature of Chromosome Aberrations
  • Submit a proposed locus symbol
  • Submit a new allele/mutant, register a mouse strain name, or submit phenotype data
  • Submitting Data Files - Instructions and examples
Additional Resources
The implementation of the Mouse Nomenclature Guidelines is carried out at the Mouse Genome Database through the Nomenclature Coordinator.
E-mail: nomen@jax.org      Voice:   207-288-6765     Fax: 207-288-6132

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
MGI 6.13
The Jackson Laboratory