Incidental Mutation 'IGL02409:Aqp4'
ID 292235
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 # IGL02409
Quality Score
Status
Chromosome 18
Chromosomal Location 15522553-15544039 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 15532782 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Leucine at position 104 (M104L)
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: M104L

PolyPhen 2 Score 0.016 (Sensitivity: 0.95; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000078088
Gene: ENSMUSG00000024411
AA Change: M104L

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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Cdkn1a T C 17: 29,317,428 (GRCm39) V16A probably benign Het
Celsr2 C A 3: 108,321,271 (GRCm39) V514F probably damaging Het
Cmklr2 T A 1: 63,222,875 (GRCm39) N120I probably damaging Het
Cmya5 T C 13: 93,226,706 (GRCm39) N2794S probably damaging Het
Dnmt1 T C 9: 20,837,793 (GRCm39) T281A probably benign Het
Dock2 A T 11: 34,451,204 (GRCm39) N840K probably benign Het
Dscam T C 16: 96,621,088 (GRCm39) N540S possibly damaging Het
Elavl1 A T 8: 4,339,838 (GRCm39) I248N possibly damaging Het
Fam120a A G 13: 49,120,835 (GRCm39) V157A probably benign Het
Fcrl2 G A 3: 87,160,030 (GRCm39) P408L probably benign Het
Grin2b T A 6: 136,020,906 (GRCm39) M132L possibly damaging Het
Herc2 T A 7: 55,870,217 (GRCm39) probably null Het
Lrp1b T G 2: 41,335,208 (GRCm39) K778T possibly damaging Het
Mapk10 T A 5: 103,076,096 (GRCm39) E389D possibly damaging Het
Ms4a7 G T 19: 11,301,807 (GRCm39) Y62* probably null Het
Muc5b A G 7: 141,415,075 (GRCm39) T2674A possibly damaging Het
Nbeal1 T C 1: 60,368,494 (GRCm39) L2613P probably benign Het
Ncapg2 A T 12: 116,384,337 (GRCm39) Y266F probably damaging Het
Or10a3m A G 7: 108,313,366 (GRCm39) I269V probably benign Het
Or14j6 T C 17: 38,214,679 (GRCm39) Y81H probably damaging Het
Or1j14 T A 2: 36,418,165 (GRCm39) V247E probably damaging Het
Or4c110 C T 2: 88,832,254 (GRCm39) C126Y possibly damaging Het
Pkd1 T A 17: 24,792,597 (GRCm39) I1428N probably benign Het
Ppil4 T C 10: 7,674,328 (GRCm39) probably benign Het
Rev3l T C 10: 39,697,144 (GRCm39) V547A possibly damaging Het
Rgsl1 T C 1: 153,701,989 (GRCm39) K155R possibly damaging Het
Skap2 T C 6: 51,884,938 (GRCm39) D234G possibly damaging Het
Sult2a4 C T 7: 13,718,844 (GRCm39) W133* probably null Het
Tbc1d2b C T 9: 90,104,405 (GRCm39) S579N probably benign Het
Tdrkh T A 3: 94,337,919 (GRCm39) probably benign Het
Thumpd2 A T 17: 81,340,117 (GRCm39) F377L probably damaging Het
Tmem132d T C 5: 127,861,952 (GRCm39) D723G probably damaging Het
Tnfrsf23 A T 7: 143,222,308 (GRCm39) L168Q probably damaging Het
Ttn T C 2: 76,784,974 (GRCm39) T818A unknown Het
Uox A T 3: 146,330,381 (GRCm39) D130V probably benign Het
Vmn2r45 T C 7: 8,488,727 (GRCm39) Y101C probably benign Het
Wdr1 C T 5: 38,688,453 (GRCm39) D161N probably benign 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
IGL02812:Aqp4 APN 18 15,530,632 (GRCm39) splice site probably null
IGL03157:Aqp4 APN 18 15,533,037 (GRCm39) missense probably benign 0.18
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 2015-04-16