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Rag2 Gene Detail
Summary
  • Symbol
    Rag2
  • Name
    recombination activating gene 2
  • Synonyms
    Rag-2
  • Feature Type
    protein coding gene
  • IDs
    MGI:97849
    NCBI Gene: 19374
  • Alliance
  • Transcription Start Sites
    5 TSS
  • Regulated by
    Rr695557 (1 regulatory region)
Location &
Maps
more
  • Sequence Map
    Chr2:101455063-101462874 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 2, 53.87 cM
  • Mapping Data
    9 experiments
Strain
Comparison
more
  • SNPs within 2kb
    284 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_97849
protein coding gene Chr2:101455057-101462874 (+)
129S1/SvImJ ENSMUSG00200002313
protein coding gene Chr2:98257427-98265241 (+)
A/J ENSMUSG00195000637
protein coding gene Chr2:98432516-98440340 (+)
AKR/J ENSMUSG00220001597
protein coding gene Chr2:98186117-98193925 (+)
BALB/cJ ENSMUSG00180019079
protein coding gene Chr2:98241528-98249337 (+)
C3H/HeJ ENSMUSG00175009830
protein coding gene Chr2:98510956-98518766 (+)
C57BL/6NJ ENSMUSG00215015772
protein coding gene Chr2:98336271-98344082 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0024001
protein coding gene Chr2:94928459-94936087 (+)
CAST/EiJ ENSTCUG00005001561
protein coding gene Chr2:97597186-97604836 (+)
CBA/J ENSMUSG00210001835
protein coding gene Chr2:98519583-98527391 (+)
DBA/2J ENSMUSG00185005578
protein coding gene Chr2:98238551-98246361 (+)
FVB/NJ ENSMUSG00205010696
protein coding gene Chr2:97537082-97544891 (+)
JF1/MsJ ENSUMUG00000026579
protein coding gene Chr2:97929467-97937262 (+)
LP/J ENSMUSG00230000722
protein coding gene Chr2:99988019-99995828 (+)
NOD/ShiLtJ ENSMUSG00190021923
protein coding gene Chr2:98339891-98347700 (+)
NZO/HlLtJ ENSMUSG00225008470
protein coding gene Chr2:107878951-107886760 (+)
PWK/PhJ ENSLUMG00010023416
protein coding gene Chr2:97916797-97924592 (+)
SPRET/EiJ ENSMSPG00010008658
protein coding gene Chr2:99929737-99937357 (+)
WSB/EiJ ENSIUOG00005001209
protein coding gene Chr2:98022836-98030647 (+)



Homology
more
  • Human Ortholog
    RAG2, recombination activating 2
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    RAG2, recombination activating 2
  • Synonyms
    RAG-2
  • Links
    NCBI Gene ID: 5897
    UniProt: P55895

  • Chr Location
    11p12; chr11:36575574-36598279 (-)  GRCh38

Human Diseases
more
  • Diseases
    2 with Rag2 mouse models; 4 with human RAG2 associations

Human Disease Mouse Models
      
IDs
View 1 model
IDs
View 1 model
      
IDs
IDs
Click on a disease name to see all genes associated with that disease.

  • Mutations/Alleles
    4 with disease annotations
  • References
    5 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    82 phenotypes from 11 alleles in 16 genetic backgrounds
    140 phenotypes from multigenic genotypes
    1650 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Homozygotes for targeted null mutations exhibit arrested development of T and B cell maturation at the CD4-8- thymocyte or B220+/CD43+pro-B cell stage due to inability to undergo V(D)J recombination.
Gene Ontology
(GO)
Classifications
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  • All GO Annotations
  • GO References
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000032864 Ensembl Gene Model | MGI Sequence Detail 7812 C57BL/6J ±  kb
    transcript ENSMUST00000044031 Ensembl | MGI Sequence Detail 3424 Not Applicable  
    polypeptide ENSMUSP00000038204 Ensembl | MGI Sequence Detail 527 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 25
      Genomic 7
      cDNA 10
      Primer pair 6
      Other 2

      Microarray probesets 4
    Other
    Accession IDs
    less
    MGD-MRK-13754, MGD-MRK-13756
    References
    more
    • Summaries
      All 2179
      Developmental Gene Expression 15
      Diseases 5
      Gene Ontology 25
      Phenotypes 1650
    • Earliest
      J:109968 Roderick TH, et al., Nineteen paracentric chromosomal inversions in mice. Genetics. 1974 Jan;76(1):109-17
    • Latest
      J:390589 Albertini G, et al., The Alzheimer's therapeutic Lecanemab attenuates Abeta pathology by inducing an amyloid-clearing program in microglia. Nat Neurosci. 2026 Jan;29(1):100-110

    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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    Funding Information
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    last database update
    09/01/2026
    MGI 6.24
    The Jackson Laboratory