Incidental Mutation 'R7393:Kcnj1'
ID 573604
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 045475-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.069) question?
Stock # R7393 (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 32308314 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 246 (D246G)
Ref Sequence ENSEMBL: ENSMUSP00000131625 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047334] [ENSMUST00000172015] [ENSMUST00000213393]
AlphaFold O88335
Predicted Effect probably damaging
Transcript: ENSMUST00000047334
AA Change: D226G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000046793
Gene: ENSMUSG00000041248
AA Change: D226G

DomainStartEndE-ValueType
Pfam:IRK 24 361 1.4e-155 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000172015
AA Change: D246G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000131625
Gene: ENSMUSG00000041248
AA Change: D246G

DomainStartEndE-ValueType
Pfam:IRK 44 373 7.6e-144 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000213393
AA Change: D226G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
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: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb11 C T 2: 69,130,211 (GRCm39) D282N probably damaging Het
Abi2 T C 1: 60,473,541 (GRCm39) M86T possibly damaging Het
Adam26a T C 8: 44,022,725 (GRCm39) N255S probably benign Het
Adam4 G A 12: 81,466,434 (GRCm39) S729L probably benign Het
Adcy1 G T 11: 7,087,381 (GRCm39) W418C probably damaging Het
Add2 T A 6: 86,075,629 (GRCm39) Y259* probably null Het
Agl A T 3: 116,584,805 (GRCm39) C172S probably benign Het
Ankfy1 A G 11: 72,629,134 (GRCm39) T319A possibly damaging Het
Armc8 A T 9: 99,366,052 (GRCm39) C621S possibly damaging Het
Atp5mj A G 12: 111,929,711 (GRCm39) V26A probably benign Het
Bbc3 A G 7: 16,047,714 (GRCm39) D146G probably benign Het
Btnl10 T C 11: 58,814,532 (GRCm39) L404P probably damaging Het
Cbl A G 9: 44,065,485 (GRCm39) probably null Het
Ccdc170 T A 10: 4,464,314 (GRCm39) probably null Het
Ccdc91 T A 6: 147,435,527 (GRCm39) V37E possibly damaging Het
Ces1e G T 8: 93,937,045 (GRCm39) T343K probably benign Het
Chfr T A 5: 110,300,224 (GRCm39) F323I probably damaging Het
Clcnkb T A 4: 141,136,756 (GRCm39) M370L probably benign Het
Col11a1 A G 3: 113,890,755 (GRCm39) D364G unknown Het
Ctbp2 A G 7: 132,590,021 (GRCm39) I381T probably benign Het
Cyp4a29 A C 4: 115,099,393 (GRCm39) Y38S probably damaging Het
Ddx1 T C 12: 13,280,354 (GRCm39) D382G probably benign Het
Dhx57 T A 17: 80,563,000 (GRCm39) N876Y probably damaging Het
Dsel C T 1: 111,789,303 (GRCm39) G411S probably damaging Het
Enpp5 G A 17: 44,396,155 (GRCm39) G356S probably damaging Het
Fam234a T C 17: 26,435,598 (GRCm39) D262G probably benign Het
Fnbp4 C A 2: 90,609,660 (GRCm39) Q1035K probably damaging Het
Gbp11 T A 5: 105,475,443 (GRCm39) N302Y possibly damaging Het
Gm11554 T A 11: 99,694,698 (GRCm39) T172S unknown Het
Hamp2 A T 7: 30,622,030 (GRCm39) M53K possibly damaging Het
Kctd20 T C 17: 29,182,312 (GRCm39) F209L probably damaging Het
Klra2 T C 6: 131,207,165 (GRCm39) Y148C probably damaging Het
Krtap15-1 T C 16: 88,625,985 (GRCm39) probably null Het
Mrps23 T C 11: 88,095,284 (GRCm39) L6P probably damaging Het
Ms4a6d G A 19: 11,567,437 (GRCm39) Q155* probably null Het
Myo7a G A 7: 97,712,906 (GRCm39) R1690C possibly damaging Het
Nbas T C 12: 13,443,493 (GRCm39) S1183P probably damaging Het
Ndufaf4 T A 4: 24,903,177 (GRCm39) M122K probably benign Het
Nop2 C A 6: 125,110,509 (GRCm39) S45* probably null Het
Nop56 T A 2: 130,116,558 (GRCm39) L3Q probably benign Het
Nrp2 T C 1: 62,784,583 (GRCm39) I244T probably damaging Het
Or4d10c T A 19: 12,065,992 (GRCm39) T55S probably benign Het
Or51v14 A G 7: 103,261,198 (GRCm39) S121P possibly damaging Het
Otof T C 5: 30,527,614 (GRCm39) D1941G probably benign Het
Pcyox1l T C 18: 61,830,712 (GRCm39) K387E probably benign Het
Plcg2 A G 8: 118,306,564 (GRCm39) Y306C possibly damaging Het
Ppp1r13b G A 12: 111,805,188 (GRCm39) P333S probably damaging Het
Rcc2 A G 4: 140,444,341 (GRCm39) D344G probably damaging Het
Reln A T 5: 22,181,349 (GRCm39) N1810K probably damaging Het
Rfesd G T 13: 76,151,149 (GRCm39) A90E probably benign Het
Rsf1 CGGCGGCGG CGGCGGCGGGGGCGGCGG 7: 97,229,124 (GRCm39) probably benign Het
Scg2 T C 1: 79,412,948 (GRCm39) K552E probably damaging Het
Sdccag8 A G 1: 176,667,872 (GRCm39) I190V probably benign Het
Sele C A 1: 163,881,492 (GRCm39) T533K probably benign Het
Sh3bp4 T A 1: 89,072,170 (GRCm39) H339Q possibly damaging Het
Slc6a19 A G 13: 73,841,093 (GRCm39) S106P probably benign Het
Spidr C T 16: 15,964,695 (GRCm39) probably benign Het
Stk36 A T 1: 74,650,352 (GRCm39) K295* probably null Het
Synj1 A T 16: 90,748,887 (GRCm39) D1056E probably damaging Het
Tnks1bp1 T C 2: 84,893,210 (GRCm39) S1046P probably benign Het
Ttc27 T G 17: 75,077,259 (GRCm39) F385V possibly damaging Het
Ttn C A 2: 76,774,689 (GRCm39) G2164W unknown Het
Ubap1 T A 4: 41,379,764 (GRCm39) L326* probably null Het
Ubr4 A G 4: 139,154,096 (GRCm39) N812S probably damaging Het
Vmn1r160 A G 7: 22,570,778 (GRCm39) T44A possibly damaging Het
Vmn1r28 G A 6: 58,242,574 (GRCm39) S139N possibly damaging Het
Vmn2r116 A G 17: 23,605,099 (GRCm39) I137M probably benign Het
Vmn2r67 A T 7: 84,805,086 (GRCm39) W9R probably null Het
Zfp101 T C 17: 33,605,674 (GRCm39) N45D possibly 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
R6117:Kcnj1 UTSW 9 32,308,478 (GRCm39) missense probably damaging 1.00
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
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'- TGTGGTGCCATATTAGCCAAG -3'
(R):5'- AGGTTGCACTGGTGGATTCTAC -3'

Sequencing Primer
(F):5'- GTGGTGCCATATTAGCCAAGATCTC -3'
(R):5'- ACTGGTGGATTCTACTGTGCCATC -3'
Posted On 2019-09-13