Incidental Mutation 'R0737:Kcnmb1'
ID 70524
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
MMRRC Submission 038918-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0737 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 33913013-33923641 bp(+) (GRCm39)
Type of Mutation start codon destroyed
DNA Base Change (assembly) A to T at 33914701 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Leucine at position 1 (M1L)
Ref Sequence ENSEMBL: ENSMUSP00000020362 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020362]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000020362
AA Change: M1L

PolyPhen 2 Score 0.180 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000020362
Gene: ENSMUSG00000020155
AA Change: M1L

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: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 94.8%
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: 56 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930567H17Rik T A X: 69,437,813 (GRCm39) probably benign Het
Aff4 T A 11: 53,301,780 (GRCm39) L1043* probably null Het
Ankrd11 G T 8: 123,622,575 (GRCm39) R426S probably damaging Het
Atm T A 9: 53,367,866 (GRCm39) N2422I probably damaging Het
Bahcc1 C A 11: 120,163,667 (GRCm39) P655Q probably damaging Het
Baz2a A G 10: 127,951,949 (GRCm39) I556V possibly damaging Het
Ccdc33 T C 9: 57,989,331 (GRCm39) D114G probably damaging Het
Cdk5rap2 T C 4: 70,255,612 (GRCm39) H424R probably benign Het
Cfap57 T C 4: 118,438,299 (GRCm39) E864G possibly damaging Het
Cit T A 5: 116,084,978 (GRCm39) S836R probably damaging Het
Clip4 C T 17: 72,144,694 (GRCm39) Q95* probably null Het
Col17a1 C T 19: 47,657,872 (GRCm39) G433S possibly damaging Het
Col6a3 A G 1: 90,756,020 (GRCm39) F90L probably damaging Het
Cybc1 C T 11: 121,118,068 (GRCm39) probably null Het
Degs1l G A 1: 180,882,944 (GRCm39) M235I probably benign Het
Dnah9 T C 11: 65,998,724 (GRCm39) H1108R probably damaging Het
Elac1 A T 18: 73,872,110 (GRCm39) M295K probably damaging Het
Epas1 G T 17: 87,136,884 (GRCm39) G816C possibly damaging Het
Ermap C A 4: 119,035,707 (GRCm39) C427F probably damaging Het
Fbxo44 T C 4: 148,243,266 (GRCm39) probably benign Het
Fmo4 T A 1: 162,635,961 (GRCm39) K14* probably null Het
Gadl1 G A 9: 115,903,055 (GRCm39) M461I probably damaging Het
Garnl3 T A 2: 32,880,654 (GRCm39) I868F probably damaging Het
Gm7168 A G 17: 14,169,245 (GRCm39) D204G probably damaging Het
Hs6st3 T C 14: 120,106,795 (GRCm39) F401S possibly damaging Het
Krt35 T C 11: 99,984,620 (GRCm39) T292A probably benign Het
Krt81 C A 15: 101,361,508 (GRCm39) R24L possibly damaging Het
Lamb2 T A 9: 108,360,993 (GRCm39) W572R probably benign Het
Letmd1 A G 15: 100,367,702 (GRCm39) T87A probably damaging Het
Lrp2 A G 2: 69,278,513 (GRCm39) Y3947H probably damaging Het
Mocos T C 18: 24,822,044 (GRCm39) F685L probably damaging Het
Nsun6 A T 2: 15,001,285 (GRCm39) F424I probably damaging Het
Nup88 A G 11: 70,860,776 (GRCm39) M1T probably null Het
Or13p5 C T 4: 118,592,421 (GRCm39) R232C probably benign Het
Or14c45 C T 7: 86,176,195 (GRCm39) P77S probably damaging Het
Or4c29 T C 2: 88,740,617 (GRCm39) N40S probably damaging Het
Pcdhb12 T A 18: 37,570,762 (GRCm39) V636D probably damaging Het
Pclo C A 5: 14,565,453 (GRCm39) A73E probably damaging Het
Pdlim7 A T 13: 55,652,693 (GRCm39) probably null Het
Phldb1 G A 9: 44,610,933 (GRCm39) P67S possibly damaging Het
Ppp2r2b T C 18: 43,192,257 (GRCm39) T17A probably benign Het
Ppp4r3c2 A G X: 88,797,926 (GRCm39) H586R probably benign Het
Rab11fip4 T C 11: 79,574,328 (GRCm39) V241A probably benign Het
Slc41a1 T C 1: 131,768,690 (GRCm39) L216P probably damaging Het
Slco1a8 G T 6: 141,949,154 (GRCm39) A74E possibly damaging Het
Smg6 T A 11: 75,050,662 (GRCm39) D1352E probably damaging Het
Tbc1d9 A T 8: 83,985,942 (GRCm39) I816F probably damaging Het
Tex264 T C 9: 106,536,498 (GRCm39) T220A probably benign Het
Tmco6 G A 18: 36,874,829 (GRCm39) V439I probably damaging Het
Tmem64 A G 4: 15,266,717 (GRCm39) I256V probably damaging Het
Tnks1bp1 A G 2: 84,882,880 (GRCm39) S236G possibly damaging Het
Tsc1 A G 2: 28,560,942 (GRCm39) T267A possibly damaging Het
Txndc2 A G 17: 65,946,548 (GRCm39) probably null Het
Vmn2r94 G A 17: 18,497,695 (GRCm39) Q26* probably null Het
Zan T C 5: 137,387,511 (GRCm39) D4900G unknown Het
Zkscan3 T C 13: 21,572,766 (GRCm39) T122A probably benign 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
R3153:Kcnmb1 UTSW 11 33,916,339 (GRCm39) missense probably damaging 0.99
R6350:Kcnmb1 UTSW 11 33,914,711 (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'- AGCTCCATGTAAGTTGCAAAGCTCC -3'
(R):5'- AGATGACGAATGCCTCGTCTGTCC -3'

Sequencing Primer
(F):5'- TGCATCCCCTCATGcctg -3'
(R):5'- ACTACCGTGACGGGTCAAG -3'
Posted On 2013-09-30