Incidental Mutation 'R6585:Kcnj1'
ID 524348
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 044709-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.075) question?
Stock # R6585 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 32283789-32310493 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 32308557 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 307 (V307A)
Ref Sequence ENSEMBL: ENSMUSP00000150540 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047334] [ENSMUST00000172015] [ENSMUST00000213393]
AlphaFold O88335
Predicted Effect probably benign
Transcript: ENSMUST00000047334
AA Change: V307A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000046793
Gene: ENSMUSG00000041248
AA Change: V307A

DomainStartEndE-ValueType
Pfam:IRK 24 361 1.4e-155 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000172015
AA Change: V327A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000131625
Gene: ENSMUSG00000041248
AA Change: V327A

DomainStartEndE-ValueType
Pfam:IRK 44 373 7.6e-144 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000213393
AA Change: V307A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.1%
  • 20x: 94.4%
Validation Efficiency 97% (30/31)
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: 30 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930522L14Rik C T 5: 109,885,534 (GRCm39) C108Y probably damaging Het
Adam1b G T 5: 121,639,250 (GRCm39) D598E probably benign Het
Agr2 G A 12: 36,045,625 (GRCm39) R37Q probably benign Het
Ascc3 A G 10: 50,718,273 (GRCm39) K1989E probably benign Het
Chd1l A G 3: 97,505,088 (GRCm39) F160L probably damaging Het
Ciita T A 16: 10,329,609 (GRCm39) V628E probably benign Het
Defa38 A G 8: 21,585,248 (GRCm39) C65R possibly damaging Het
Dis3l2 T A 1: 86,673,216 (GRCm39) I69N probably damaging Het
Dnase1l1 C T X: 73,320,644 (GRCm39) probably null Homo
Elp2 T C 18: 24,758,606 (GRCm39) L503S probably damaging Het
Fcgbp A T 7: 27,813,404 (GRCm39) Q2313L possibly damaging Het
Gpr155 A T 2: 73,179,989 (GRCm39) I157N probably damaging Het
H2bc18 A T 3: 96,177,413 (GRCm39) T116S probably benign Het
Lama3 G A 18: 12,552,314 (GRCm39) probably null Het
Lrp6 A T 6: 134,484,521 (GRCm39) Y367* probably null Het
Ms4a14 T A 19: 11,281,009 (GRCm39) Q516H unknown Het
Nprl3 C T 11: 32,184,812 (GRCm39) R399Q probably benign Het
Or13c3 A T 4: 52,856,192 (GRCm39) M107K possibly damaging Het
Or5ae1 A T 7: 84,565,670 (GRCm39) I228F probably damaging Het
Park7 G T 4: 150,989,721 (GRCm39) Q80K probably benign Het
Pramel15 C A 4: 144,103,600 (GRCm39) L175F possibly damaging Het
Pramel52-ps C T 5: 94,529,415 (GRCm39) P62S probably benign Het
Ptgs2 T C 1: 149,979,738 (GRCm39) V281A possibly damaging Het
Rprd1a T C 18: 24,639,720 (GRCm39) probably null Het
Speer4f2 A G 5: 17,579,420 (GRCm39) E73G probably damaging Het
Spta1 T C 1: 174,006,251 (GRCm39) W138R probably damaging Het
U2surp T C 9: 95,354,124 (GRCm39) E838G probably damaging Het
Urb2 G T 8: 124,757,864 (GRCm39) E1190D probably damaging Het
Usp19 G T 9: 108,376,926 (GRCm39) L1165F probably damaging Het
Zfp27 G A 7: 29,595,818 (GRCm39) T49I 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
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'- AAACTTTGTAGTTGATGCTGGC -3'
(R):5'- GCCACTGCTACATTTGGGTG -3'

Sequencing Primer
(F):5'- GTTGATGCTGGCAATGAAAATTTG -3'
(R):5'- GTCTGTTTCATCAACTTCTGACAAG -3'
Posted On 2018-06-22