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Itch Gene Detail
Summary
  • Symbol
    Itch
  • Name
    itchy, E3 ubiquitin protein ligase
  • Synonyms
    6720481N21Rik, 8030492O04Rik, AIP4, C230047C07Rik
  • Feature Type
    protein coding gene
  • IDs
    MGI:1202301
    NCBI Gene: 16396
  • Alliance
  • Transcription Start Sites
    7 TSS
Location &
Maps
more
  • Sequence Map
    Chr2:154975429-155068775 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 2, 76.94 cM
  • Mapping Data
    2 experiments
Strain
Comparison
more
  • SNPs within 2kb
    1998 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1202301
protein coding gene Chr2:154975401-155068775 (+)
129S1/SvImJ ENSMUSG00200026719
protein coding gene Chr2:151835034-151928890 (+)
A/J ENSMUSG00195021025
protein coding gene Chr2:152203110-152296890 (+)
AKR/J ENSMUSG00220043774
protein coding gene Chr2:151492659-151586454 (+)
BALB/cJ ENSMUSG00180043217
protein coding gene Chr2:151660828-151754966 (+)
C3H/HeJ ENSMUSG00175047161
protein coding gene Chr2:152404948-152499079 (+)
C57BL/6NJ ENSMUSG00215025467
protein coding gene Chr2:151822890-151916681 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0024523
protein coding gene Chr2:147083942-147176206 (+)
CAST/EiJ ENSTCUG00005041716
protein coding gene Chr2:150805797-150912577 (+)
CBA/J ENSMUSG00210014994
protein coding gene Chr2:152341439-152435559 (+)
DBA/2J ENSMUSG00185046690
protein coding gene Chr2:152036188-152129967 (+)
FVB/NJ ENSMUSG00205031858
protein coding gene Chr2:151107811-151201936 (+)
JF1/MsJ ENSUMUG00000023479
protein coding gene Chr2:151692152-151785956 (+)
LP/J ENSMUSG00230043511
protein coding gene Chr2:153632985-153726838 (+)
NOD/ShiLtJ ENSMUSG00190042434
protein coding gene Chr2:151730357-151824478 (+)
NZO/HlLtJ ENSMUSG00225004522
protein coding gene Chr2:161664552-161758628 (+)
PWK/PhJ ENSLUMG00010036075
protein coding gene Chr2:151636164-151730940 (+)
SPRET/EiJ ENSMSPG00010029025
protein coding gene Chr2:154432877-154527463 (+)
WSB/EiJ ENSIUOG00005044726
protein coding gene Chr2:151427802-151521895 (+)



Homology
more
  • Human Ortholog
    ITCH, itchy E3 ubiquitin protein ligase
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    ITCH, itchy E3 ubiquitin protein ligase
  • Synonyms
    ADMFD, AIF4, AIP4, NAPP1
  • Links
    NCBI Gene ID: 83737
    UniProt: Q96J02

  • Chr Location
    20q11.22; chr20:34363235-34511773 (+)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    67 phenotypes from 3 alleles in 3 genetic backgrounds
    2 phenotypes from multigenic genotypes
    57 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.
Mice homozygous for an ENU mutation exhibit increased total IgE levels in the peripheral blood and an enhanced IgE response to the cysteine protease allergen, papain.
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 ENSMUSG00000027598 Ensembl Gene Model | MGI Sequence Detail 93347 C57BL/6J ±  kb
    transcript ENSMUST00000029126 Ensembl | MGI Sequence Detail 5159 Not Applicable  
    polypeptide ENSMUSP00000029126 Ensembl | MGI Sequence Detail 864 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 33
      Genomic 4
      cDNA 28
      Primer pair 1
      Antibodies 1

      Microarray probesets 5
    Other
    Accession IDs
    less
    MGI:1924982, MGI:2441729, MGI:2443666
    References
    more
    • Summaries
      All 146
      Developmental Gene Expression 8
      Gene Ontology 27
      Phenotypes 57
    • Earliest
      J:24934 Hustad CM, et al., Molecular genetic characterization of six recessive viable alleles of the mouse agouti locus. Genetics. 1995 May;140(1):255-65
    • Latest
      J:361761 Lim K, et al., A novel human fetal lung-derived alveolar organoid model reveals mechanisms of surfactant protein C maturation relevant to interstitial lung disease. EMBO J. 2025 Feb;44(3):639-664

    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
    09/08/2026
    MGI 6.24
    The Jackson Laboratory