Incidental Mutation 'R6117:Kcnj1'
ID 485165
Institutional Source Beutler Lab
Gene Symbol Kcnj1
Ensembl Gene ENSMUSG00000041248
Gene Name potassium inwardly-rectifying channel, subfamily J, member 1
Synonyms ROMK-2, Kir1.1, ROMK
MMRRC Submission 044266-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.069) question?
Stock # R6117 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 32283789-32310493 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 32308478 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 281 (T281A)
Ref Sequence ENSEMBL: ENSMUSP00000150540 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047334] [ENSMUST00000172015] [ENSMUST00000213393]
AlphaFold O88335
Predicted Effect probably damaging
Transcript: ENSMUST00000047334
AA Change: T281A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000046793
Gene: ENSMUSG00000041248
AA Change: T281A

DomainStartEndE-ValueType
Pfam:IRK 24 361 1.4e-155 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000172015
AA Change: T301A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000131625
Gene: ENSMUSG00000041248
AA Change: T301A

DomainStartEndE-ValueType
Pfam:IRK 44 373 7.6e-144 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000213393
AA Change: T281A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.3%
  • 20x: 95.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Potassium channels are present in most mammalian cells, where they participate in a wide range of physiologic responses. The protein encoded by this gene is an integral membrane protein and inward-rectifier type potassium channel. It is activated by internal ATP and probably plays an important role in potassium homeostasis. The encoded protein has a greater tendency to allow potassium to flow into a cell rather than out of a cell. Mutations in this gene have been associated with antenatal Bartter syndrome, which is characterized by salt wasting, hypokalemic alkalosis, hypercalciuria, and low blood pressure. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Most homozygotes for a null mutation die before weaning with impaired electrolyte, acid-base, and fluid-volume homeostasis, reduced NaCl absorption in the thick ascending limb, and abnormal tubuloglomerular feedback. A colony of mutants with extended suvival serves as a model for Bartter's syndrome. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agbl1 A G 7: 76,348,534 (GRCm39) Y625C probably damaging Het
Ankmy1 A G 1: 92,788,996 (GRCm39) probably benign Het
Apmap T C 2: 150,442,252 (GRCm39) T41A probably benign Het
Cacna1a A G 8: 85,341,350 (GRCm39) Y1804C probably damaging Het
Cacna1e A T 1: 154,437,537 (GRCm39) I333N possibly damaging Het
Cdsn C A 17: 35,865,931 (GRCm39) S153R unknown Het
Celsr1 A T 15: 85,816,612 (GRCm39) M1777K probably benign Het
Cmtr1 A G 17: 29,901,139 (GRCm39) M249V probably benign Het
Cmya5 A G 13: 93,231,674 (GRCm39) L1138P probably damaging Het
Crim1 A C 17: 78,610,517 (GRCm39) D324A probably damaging Het
Dmap1 T A 4: 117,532,732 (GRCm39) probably null Het
Dnah17 T C 11: 118,010,397 (GRCm39) Y307C probably benign Het
Dnah5 T A 15: 28,270,566 (GRCm39) L956H probably damaging Het
Enpp3 C T 10: 24,663,750 (GRCm39) S537N probably damaging Het
Eya3 T A 4: 132,439,173 (GRCm39) L323Q probably damaging Het
Fads3 A T 19: 10,031,631 (GRCm39) H226L probably damaging Het
Flrt3 T A 2: 140,502,365 (GRCm39) D421V possibly damaging Het
Frmd4a T C 2: 4,607,060 (GRCm39) V370A possibly damaging Het
Gapvd1 T C 2: 34,580,471 (GRCm39) probably null Het
Gm2178 T C 14: 26,235,995 (GRCm39) probably benign Het
Gm5592 A G 7: 40,937,888 (GRCm39) N390S probably benign Het
Hoxa10 T A 6: 52,211,800 (GRCm39) R39* probably null Het
Myo10 T C 15: 25,805,745 (GRCm39) Y1709H probably benign Het
Nacad T C 11: 6,549,810 (GRCm39) D1127G probably benign Het
Naip1 T A 13: 100,581,245 (GRCm39) M1L probably damaging Het
Or10ak9 A T 4: 118,726,341 (GRCm39) Y121F probably benign Het
Or6c215 G A 10: 129,637,689 (GRCm39) A235V probably damaging Het
Or6c215 C A 10: 129,637,690 (GRCm39) A235S probably damaging Het
Pcdhb12 G A 18: 37,568,695 (GRCm39) probably benign Het
Pde1b T C 15: 103,429,909 (GRCm39) V134A probably damaging Het
Plxnb2 A T 15: 89,042,203 (GRCm39) D1600E probably benign Het
Prss54 T A 8: 96,292,086 (GRCm39) probably null Het
Ryr3 A T 2: 112,465,741 (GRCm39) I4757N probably damaging Het
Slc1a6 T C 10: 78,624,822 (GRCm39) Y76H possibly damaging Het
Slco3a1 C T 7: 73,968,254 (GRCm39) D489N probably benign Het
Sox15 G T 11: 69,546,716 (GRCm39) G173V possibly damaging Het
Stard3 T C 11: 98,263,088 (GRCm39) S48P probably damaging Het
Stk32c G A 7: 138,702,839 (GRCm39) Q67* probably null Het
Svil T A 18: 5,116,016 (GRCm39) W2101R probably damaging Het
Taar7e T A 10: 23,914,427 (GRCm39) Y306N probably damaging Het
Tarbp1 T A 8: 127,154,280 (GRCm39) M1485L probably benign Het
Togaram1 A G 12: 65,014,261 (GRCm39) D504G probably damaging Het
Trrap T C 5: 144,739,771 (GRCm39) L1091S possibly damaging Het
Unc80 A G 1: 66,714,226 (GRCm39) E2856G possibly damaging Het
Usp47 C T 7: 111,687,139 (GRCm39) T699M probably damaging Het
Other mutations in Kcnj1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00941:Kcnj1 APN 9 32,307,794 (GRCm39) missense probably benign 0.01
IGL02958:Kcnj1 APN 9 32,307,851 (GRCm39) missense probably damaging 1.00
IGL03285:Kcnj1 APN 9 32,308,157 (GRCm39) missense possibly damaging 0.67
R1179:Kcnj1 UTSW 9 32,308,062 (GRCm39) missense probably damaging 0.96
R1503:Kcnj1 UTSW 9 32,307,788 (GRCm39) missense probably damaging 0.98
R1918:Kcnj1 UTSW 9 32,308,034 (GRCm39) missense probably benign 0.00
R4439:Kcnj1 UTSW 9 32,305,414 (GRCm39) intron probably benign
R4659:Kcnj1 UTSW 9 32,305,444 (GRCm39) missense probably benign
R4661:Kcnj1 UTSW 9 32,307,918 (GRCm39) missense probably benign 0.14
R4917:Kcnj1 UTSW 9 32,308,056 (GRCm39) missense probably damaging 0.99
R4918:Kcnj1 UTSW 9 32,308,056 (GRCm39) missense probably damaging 0.99
R5385:Kcnj1 UTSW 9 32,308,019 (GRCm39) missense probably damaging 1.00
R6017:Kcnj1 UTSW 9 32,305,400 (GRCm39) intron probably benign
R6036:Kcnj1 UTSW 9 32,308,421 (GRCm39) missense probably benign 0.15
R6036:Kcnj1 UTSW 9 32,308,421 (GRCm39) missense probably benign 0.15
R6245:Kcnj1 UTSW 9 32,308,163 (GRCm39) missense probably damaging 1.00
R6316:Kcnj1 UTSW 9 32,308,632 (GRCm39) missense probably damaging 0.96
R6585:Kcnj1 UTSW 9 32,308,557 (GRCm39) missense probably benign
R6988:Kcnj1 UTSW 9 32,307,881 (GRCm39) missense probably benign 0.17
R7116:Kcnj1 UTSW 9 32,308,277 (GRCm39) missense possibly damaging 0.91
R7393:Kcnj1 UTSW 9 32,308,314 (GRCm39) missense probably damaging 1.00
R7870:Kcnj1 UTSW 9 32,307,881 (GRCm39) missense probably benign 0.17
R8072:Kcnj1 UTSW 9 32,308,593 (GRCm39) missense probably damaging 1.00
R8391:Kcnj1 UTSW 9 32,308,028 (GRCm39) missense probably damaging 1.00
R9264:Kcnj1 UTSW 9 32,307,654 (GRCm39) missense probably benign 0.03
R9418:Kcnj1 UTSW 9 32,308,203 (GRCm39) missense probably damaging 1.00
Z1177:Kcnj1 UTSW 9 32,308,655 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGGCAGTCACATATATGGTAAGC -3'
(R):5'- ACAATGAGGGGTCTCCACTTC -3'

Sequencing Primer
(F):5'- GGTAAGCTTCTGAAGACTACCATC -3'
(R):5'- CCACCGTCTTACCAAAGTTATGG -3'
Posted On 2017-08-16