About   Help   FAQ
Rr3 Other Genome Feature Detail
Summary
  • Symbol
    Rr3
  • Name
    regulatory region 3
  • Synonyms
    hs121, uc467
  • Feature Type
    enhancer
  • IDs
    MGI:4421015
Location &
Maps
more
  • Sequence Map
    ChrX:92353371-92355054 bp
    From VISTA annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome X, Syntenic
Strain
Comparison
more
  • SNPs within 2kb
    63 from dbSNP Build 142
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    1 phenotype from 1 allele in 1 genetic background
    2 phenotype references
Mice homozygous for knock-out allele of an ultraconserved region adjacent to Pola1 and Arx are normal.
Sequences &
Gene Models
less
  • All Sequences
Representative SequencesLengthStrain/SpeciesFlank
genomic hs121 VISTA | MGI Sequence Detail 1684 Not Applicable ±  kb
For the selected sequence
Other Database
Links
less
VISTA Enhancer Element hs121
References
more
  • Summaries
    All 4
    Phenotypes 2
  • Earliest
    J:128347 Ahituv N, et al., Deletion of ultraconserved elements yields viable mice. PLoS Biol. 2007 Sep;5(9):e234
  • Latest
    J:254531 Dickel DE, et al., Ultraconserved Enhancers Are Required for Normal Development. Cell. 2018 Jan 25;172(3):491-499.e15

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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
01/20/2026
MGI 6.24
The Jackson Laboratory