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Aqp4 Gene Detail
Summary
  • Symbol
    Aqp4
  • Name
    aquaporin 4
  • Synonyms
    aquaporin-4
  • Feature Type
    protein coding gene
  • IDs
    MGI:107387
    NCBI Gene: 11829
  • Alliance
  • Transcription Start Sites
    8 TSS
Location &
Maps
more
  • Sequence Map
    Chr18:15522553-15544039 bp, - strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 18, 8.74 cM
  • Mapping Data
    3 experiments
Strain
Comparison
more
  • SNPs within 2kb
    664 from dbSNP Build 142
  • Strain Annotations
    19
  • RFLP
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_107387
protein coding gene Chr18:15522451-15544039 (-)
129S1/SvImJ ENSMUSG00200019189
protein coding gene Chr18:12494109-12515577 (-)
A/J ENSMUSG00195002127
protein coding gene Chr18:12657737-12679204 (-)
AKR/J ENSMUSG00220011169
protein coding gene Chr18:12660972-12682441 (-)
BALB/cJ ENSMUSG00180003787
protein coding gene Chr18:13137832-13159328 (-)
C3H/HeJ ENSMUSG00175004333
protein coding gene Chr18:12676939-12698433 (-)
C57BL/6NJ ENSMUSG00215003557
protein coding gene Chr18:12366886-12388371 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0022018
protein coding gene Chr18:11916963-11931236 (-)
CAST/EiJ ENSTCUG00005014726
protein coding gene Chr18:12494908-12516731 (-)
CBA/J ENSMUSG00210020313
protein coding gene Chr18:12685759-12707251 (-)
DBA/2J ENSMUSG00185007457
protein coding gene Chr18:12664485-12685980 (-)
FVB/NJ ENSMUSG00205016220
protein coding gene Chr18:12426123-12447619 (-)
JF1/MsJ ENSUMUG00000016930
protein coding gene Chr18:12785064-12806545 (-)
LP/J ENSMUSG00230010779
protein coding gene Chr18:14719825-14741293 (-)
NOD/ShiLtJ ENSMUSG00190016997
protein coding gene Chr18:12459584-12481080 (-)
NZO/HlLtJ ENSMUSG00225027936
protein coding gene Chr18:14646022-14667508 (-)
PWK/PhJ ENSLUMG00010015277
protein coding gene Chr18:13001147-13023139 (-)
SPRET/EiJ ENSMSPG00010004714
protein coding gene Chr18:12657165-12675268 (-)
WSB/EiJ ENSIUOG00005018939
protein coding gene Chr18:12546206-12567690 (-)



Homology
more
  • Human Ortholog
    AQP4, aquaporin 4
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    AQP4, aquaporin 4
  • Synonyms
    hAQP4, MIWC, MLC4, WCH4
  • Links
    NCBI Gene ID: 361
    UniProt: P55087

  • Chr Location
    18q11.2; chr18:26852038-26865803 (-)  GRCh38

Human Diseases
more
  • Diseases
    1 with Aqp4 mouse models; 7 with human AQP4 associations

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

  • Mutations/Alleles
    1 with disease annotations
  • References
    1 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    41 phenotypes from 6 alleles in 9 genetic backgrounds
    5 phenotypes from multigenic genotypes
    196 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 a null allele show decreased urine osmolality, reduced brain edema after water intoxication and stroke, and impaired hearing. Homozygotes for another null allele show female subfertility, impaired folliculogenesis, reduced corpora lutea number and uterine response to gonadotropins.
Gene Ontology
(GO)
Classifications
less
  • 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 ENSMUSG00000024411 Ensembl Gene Model | MGI Sequence Detail 21487 C57BL/6J ±  kb
    transcript ENSMUST00000238946 Ensembl | MGI Sequence Detail 4895 Not Applicable  
    polypeptide ENSMUSP00000159185 Ensembl | MGI Sequence Detail 330 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 27
      Genomic 1
      cDNA 16
      Primer pair 9
      Other 1
      Antibodies 3

      Microarray probesets 7
    Other
    Accession IDs
    less
    MGD-MRK-35854
    References
    more
    • Summaries
      All 399
      Developmental Gene Expression 60
      Diseases 1
      Gene Ontology 30
      Phenotypes 196
    • Earliest
      J:32891 Ma T, et al., Gene structure, cDNA cloning, and expression of a mouse mercurial-insensitive water channel. Genomics. 1996 May 1;33(3):382-8
    • Latest
      J:389864 Murata K, et al., A novel miniTurbo knock-in mouse reveals a protein interaction network of USP46 in the brain. Exp Anim. 2026 Jan 1;75(1):63-72

    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