Incidental Mutation 'IGL03157:Aqp4'
ID 411303
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Aqp4
Ensembl Gene ENSMUSG00000024411
Gene Name aquaporin 4
Synonyms aquaporin-4
Accession Numbers
Essential gene? Probably non essential (E-score: 0.125) question?
Stock # IGL03157
Quality Score
Status
Chromosome 18
Chromosomal Location 15522553-15544039 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 15533037 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glycine at position 19 (R19G)
Ref Sequence ENSEMBL: ENSMUSP00000078088 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079081]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000079081
AA Change: R19G

PolyPhen 2 Score 0.177 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000078088
Gene: ENSMUSG00000024411
AA Change: R19G

DomainStartEndE-ValueType
Pfam:MIP 29 248 8.7e-76 PFAM
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a member of the aquaporin family of intrinsic membrane proteins that function as water-selective channels in the plasma membranes of many cells. This protein is the predominant aquaporin found in brain and has an important role in brain water homeostasis. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. A recent study provided evidence for translational readthrough in this gene and expression of an additional C-terminally extended isoform via the use of an alternative in-frame translation termination codon. [provided by RefSeq, Dec 2015]
PHENOTYPE: Homozygotes for a targeted mutation exhibit decreased urine osmolality associated with reduced water permeability in inner medullary collecting ducts, increased survival rates and reduced brain edema after acute water intoxication and ischemic stroke, aswell as significant hearing impairment. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 29 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc9 G A 6: 142,551,649 (GRCm39) probably benign Het
Adam30 A C 3: 98,069,612 (GRCm39) K482Q possibly damaging Het
Arhgap32 C T 9: 32,170,430 (GRCm39) P1070L probably damaging Het
Bcat2 T C 7: 45,224,922 (GRCm39) I31T probably benign Het
Csmd2 T A 4: 128,308,092 (GRCm39) C1283* probably null Het
Fasn A G 11: 120,698,735 (GRCm39) I2487T probably benign Het
Gys1 A G 7: 45,089,323 (GRCm39) probably benign Het
Helz A G 11: 107,468,714 (GRCm39) D79G possibly damaging Het
Il16 T C 7: 83,371,611 (GRCm39) D65G probably damaging Het
Iqgap1 C T 7: 80,401,636 (GRCm39) E490K probably benign Het
Kcnv2 A G 19: 27,301,366 (GRCm39) K406E probably damaging Het
Kif26b T A 1: 178,743,930 (GRCm39) L1342H probably damaging Het
Nlrp3 A G 11: 59,440,372 (GRCm39) K650E possibly damaging Het
Opn1sw T A 6: 29,379,803 (GRCm39) N144Y possibly damaging Het
Or2b2b T C 13: 21,859,112 (GRCm39) M1V probably null Het
Or6z1 A G 7: 6,504,892 (GRCm39) L111P probably damaging Het
Or8k30 T C 2: 86,339,367 (GRCm39) L188P possibly damaging Het
Ovol1 T C 19: 5,601,635 (GRCm39) H129R probably benign Het
Pigv T C 4: 133,392,841 (GRCm39) S110G probably benign Het
Pole T A 5: 110,441,619 (GRCm39) F253L probably benign Het
Samd3 T C 10: 26,139,740 (GRCm39) Y291H probably benign Het
Slc4a4 T A 5: 89,304,372 (GRCm39) I605N probably damaging Het
Sult1a1 T A 7: 126,274,489 (GRCm39) Y58F probably damaging Het
Tfrc T A 16: 32,439,223 (GRCm39) D362E probably benign Het
Thnsl2 T C 6: 71,108,930 (GRCm39) T294A probably benign Het
Tnfsf10 G A 3: 27,380,106 (GRCm39) G57R possibly damaging Het
Vps25 A T 11: 101,147,723 (GRCm39) N73I probably benign Het
Wdfy1 G A 1: 79,684,035 (GRCm39) H367Y probably damaging Het
Zfp568 T C 7: 29,722,189 (GRCm39) L378P probably damaging Het
Other mutations in Aqp4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00929:Aqp4 APN 18 15,526,656 (GRCm39) missense probably benign 0.01
IGL01700:Aqp4 APN 18 15,532,922 (GRCm39) missense probably benign 0.44
IGL02409:Aqp4 APN 18 15,532,782 (GRCm39) missense probably benign 0.02
IGL02812:Aqp4 APN 18 15,530,632 (GRCm39) splice site probably null
IGL03196:Aqp4 APN 18 15,526,566 (GRCm39) missense probably benign 0.19
R0358:Aqp4 UTSW 18 15,531,302 (GRCm39) missense probably benign
R1061:Aqp4 UTSW 18 15,531,248 (GRCm39) missense probably damaging 1.00
R1981:Aqp4 UTSW 18 15,526,608 (GRCm39) missense probably damaging 0.98
R1982:Aqp4 UTSW 18 15,526,608 (GRCm39) missense probably damaging 0.98
R2274:Aqp4 UTSW 18 15,526,537 (GRCm39) missense probably benign
R3033:Aqp4 UTSW 18 15,526,617 (GRCm39) missense possibly damaging 0.80
R4608:Aqp4 UTSW 18 15,531,183 (GRCm39) missense probably benign 0.25
R4817:Aqp4 UTSW 18 15,532,815 (GRCm39) missense probably damaging 1.00
R4882:Aqp4 UTSW 18 15,531,311 (GRCm39) missense possibly damaging 0.73
R5870:Aqp4 UTSW 18 15,532,946 (GRCm39) missense probably damaging 1.00
R6235:Aqp4 UTSW 18 15,531,170 (GRCm39) missense probably damaging 1.00
R6334:Aqp4 UTSW 18 15,526,648 (GRCm39) missense probably benign
R6856:Aqp4 UTSW 18 15,532,953 (GRCm39) missense possibly damaging 0.88
R7753:Aqp4 UTSW 18 15,533,033 (GRCm39) missense probably benign 0.00
R7839:Aqp4 UTSW 18 15,532,737 (GRCm39) missense possibly damaging 0.51
R8191:Aqp4 UTSW 18 15,531,222 (GRCm39) missense probably benign
R8206:Aqp4 UTSW 18 15,526,716 (GRCm39) missense possibly damaging 0.88
R8759:Aqp4 UTSW 18 15,533,048 (GRCm39) missense probably benign
R9614:Aqp4 UTSW 18 15,526,687 (GRCm39) missense probably benign 0.01
T0970:Aqp4 UTSW 18 15,532,940 (GRCm39) missense probably damaging 1.00
Z1177:Aqp4 UTSW 18 15,532,938 (GRCm39) missense possibly damaging 0.93
Posted On 2016-08-02