Incidental Mutation 'R6350:Kcnmb1'
ID 514157
Institutional Source Beutler Lab
Gene Symbol Kcnmb1
Ensembl Gene ENSMUSG00000020155
Gene Name potassium large conductance calcium-activated channel, subfamily M, beta member 1
Synonyms BKbeta1, BK channel beta subunit
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6350 (G1)
Quality Score 225.009
Status Not validated
Chromosome 11
Chromosomal Location 33913013-33923641 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 33914711 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Arginine at position 4 (K4R)
Ref Sequence ENSEMBL: ENSMUSP00000020362 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020362]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000020362
AA Change: K4R

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000020362
Gene: ENSMUSG00000020155
AA Change: K4R

DomainStartEndE-ValueType
Pfam:CaKB 7 190 5.4e-65 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000135034
Predicted Effect noncoding transcript
Transcript: ENSMUST00000154760
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.5%
  • 20x: 95.8%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] MaxiK channels are large conductance, voltage and calcium-sensitive potassium channels which are fundamental to the control of smooth muscle tone and neuronal excitability. MaxiK channels can be formed by 2 subunits: the pore-forming alpha subunit and the product of this gene, the modulatory beta subunit. Intracellular calcium regulates the physical association between the alpha and beta subunits. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous mutation of this gene results in increased blood pressure, and impaired motor coordination and cerebellar function. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 31 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930407I10Rik A G 15: 81,947,764 (GRCm39) K554E possibly damaging Het
Acsf2 T C 11: 94,449,156 (GRCm39) M609V probably benign Het
Acsm3 A G 7: 119,367,256 (GRCm39) T30A probably benign Het
Adam32 T C 8: 25,353,445 (GRCm39) K715E possibly damaging Het
Cdk5r1 T C 11: 80,369,068 (GRCm39) L245P probably damaging Het
Cntn3 A G 6: 102,147,579 (GRCm39) V926A probably damaging Het
Csf2rb G A 15: 78,229,752 (GRCm39) D440N probably damaging Het
D3Ertd751e T A 3: 41,708,278 (GRCm39) H138Q probably damaging Het
D630003M21Rik A G 2: 158,062,415 (GRCm39) L35P probably damaging Het
Faap100 A T 11: 120,265,406 (GRCm39) V490E probably damaging Het
Il3ra A G 14: 14,348,903 (GRCm38) D99G probably benign Het
Larp1 T A 11: 57,940,657 (GRCm39) D594E probably benign Het
Lnpep G T 17: 17,783,071 (GRCm39) H577N probably benign Het
Mief1 T C 15: 80,133,804 (GRCm39) I287T probably damaging Het
Mras T C 9: 99,293,560 (GRCm39) S27G probably damaging Het
Myh7b T A 2: 155,470,680 (GRCm39) C1043S probably benign Het
N4bp1 T C 8: 87,588,596 (GRCm39) D114G probably damaging Het
Nsmce4a A T 7: 130,140,829 (GRCm39) I219K probably damaging Het
Nynrin A T 14: 56,105,533 (GRCm39) I848F probably benign Het
Or2p2 T C 13: 21,256,775 (GRCm39) E232G probably benign Het
Or4f62 T A 2: 111,986,542 (GRCm39) I82N probably damaging Het
Patj T A 4: 98,293,855 (GRCm39) S36T probably benign Het
Pcdhb15 G A 18: 37,608,414 (GRCm39) V549M probably damaging Het
Prl2c5 T C 13: 13,357,631 (GRCm39) probably null Het
Ptbp3 A T 4: 59,482,624 (GRCm39) D386E probably damaging Het
Ptpra T C 2: 130,382,512 (GRCm39) L451P probably damaging Het
Repin1 A G 6: 48,574,562 (GRCm39) D497G probably damaging Het
Ryr2 A G 13: 11,776,282 (GRCm39) F1085S probably damaging Het
Slc6a18 G A 13: 73,826,044 (GRCm39) A2V possibly damaging Het
Wee2 C T 6: 40,432,039 (GRCm39) R203C probably damaging Het
Zmynd15 T C 11: 70,355,257 (GRCm39) V388A probably damaging Het
Other mutations in Kcnmb1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02321:Kcnmb1 APN 11 33,920,091 (GRCm39) splice site probably benign
G1citation:Kcnmb1 UTSW 11 33,914,686 (GRCm39) start gained probably benign
R0737:Kcnmb1 UTSW 11 33,914,701 (GRCm39) start codon destroyed probably benign 0.18
R3153:Kcnmb1 UTSW 11 33,916,339 (GRCm39) missense probably damaging 0.99
R6822:Kcnmb1 UTSW 11 33,914,686 (GRCm39) start gained probably benign
R6995:Kcnmb1 UTSW 11 33,920,131 (GRCm39) missense probably benign 0.02
R7872:Kcnmb1 UTSW 11 33,916,275 (GRCm39) missense probably damaging 1.00
R8903:Kcnmb1 UTSW 11 33,914,825 (GRCm39) missense probably damaging 1.00
R9098:Kcnmb1 UTSW 11 33,914,806 (GRCm39) missense probably damaging 0.99
R9151:Kcnmb1 UTSW 11 33,920,263 (GRCm39) missense probably benign 0.30
Predicted Primers PCR Primer
(F):5'- CAATGTTGTTATTTGGTTGCATCCC -3'
(R):5'- CCTGAAGATGACGAATGCCTC -3'

Sequencing Primer
(F):5'- ATTTGGTTGCATCCCCTCATG -3'
(R):5'- TGTCCTGACTACCGTGACG -3'
Posted On 2018-04-27