Incidental Mutation 'R6636:Kcnb1'
ID 525439
Institutional Source Beutler Lab
Gene Symbol Kcnb1
Ensembl Gene ENSMUSG00000050556
Gene Name potassium voltage gated channel, Shab-related subfamily, member 1
Synonyms Shab, Kcr1-1, Kv2.1
MMRRC Submission 044757-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6636 (G1)
Quality Score 221.009
Status Validated
Chromosome 2
Chromosomal Location 166937889-167032075 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 166947774 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 358 (D358G)
Ref Sequence ENSEMBL: ENSMUSP00000147093 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000059826] [ENSMUST00000207917]
AlphaFold Q03717
Predicted Effect probably damaging
Transcript: ENSMUST00000059826
AA Change: D358G

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000057981
Gene: ENSMUSG00000050556
AA Change: D358G

DomainStartEndE-ValueType
BTB 31 140 1.3e-14 SMART
low complexity region 150 162 N/A INTRINSIC
Pfam:Ion_trans 188 424 2.4e-50 PFAM
Pfam:Ion_trans_2 332 418 1.2e-13 PFAM
Pfam:Kv2channel 467 618 5.4e-48 PFAM
low complexity region 698 706 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000144351
Predicted Effect noncoding transcript
Transcript: ENSMUST00000148226
Predicted Effect probably damaging
Transcript: ENSMUST00000207917
AA Change: D358G

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
Meta Mutation Damage Score 0.1615 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.7%
  • 20x: 92.8%
Validation Efficiency 98% (41/42)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Voltage-gated potassium (Kv) channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. Four sequence-related potassium channel genes - shaker, shaw, shab, and shal - have been identified in Drosophila, and each has been shown to have human homolog(s). This gene encodes a member of the potassium channel, voltage-gated, shab-related subfamily. This member is a delayed rectifier potassium channel and its activity is modulated by some other family members. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a null allele show reduced fasting glucose levels, hyperinsulinemia, improved glucose tolerance, altered glucose-induced electrical activity of pancreatic beta cells, and enhanced insulin secretion. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy8 A G 15: 64,659,251 (GRCm39) V513A probably damaging Het
Adgrl4 G A 3: 151,223,410 (GRCm39) W621* probably null Het
Ap4m1 A G 5: 138,170,437 (GRCm39) probably benign Het
Atp6v1b2 T C 8: 69,554,026 (GRCm39) Y68H probably damaging Het
AY761185 T A 8: 21,434,556 (GRCm39) probably null Het
C3ar1 T C 6: 122,828,013 (GRCm39) D68G probably damaging Het
Cdh10 A T 15: 18,985,259 (GRCm39) I308F probably damaging Het
Coq8a A T 1: 180,006,552 (GRCm39) S112T probably benign Het
Dmgdh A T 13: 93,845,706 (GRCm39) E453D probably benign Het
Fryl C A 5: 73,290,655 (GRCm39) R83L probably benign Het
Gm4861 C T 3: 137,256,760 (GRCm39) probably null Het
Gnai1 T C 5: 18,478,472 (GRCm39) D231G probably damaging Het
Hfe C G 13: 23,890,778 (GRCm39) E120D possibly damaging Het
Hfe T C 13: 23,890,779 (GRCm39) E120G possibly damaging Het
Hgd A G 16: 37,435,736 (GRCm39) N149S possibly damaging Het
Lama2 C A 10: 27,000,564 (GRCm39) V1653L probably benign Het
Lamc1 A T 1: 153,117,721 (GRCm39) I947N possibly damaging Het
Lamp3 A G 16: 19,519,983 (GRCm39) F67L probably benign Het
Ltbp2 T C 12: 84,922,612 (GRCm39) I132V probably benign Het
Muc4 C T 16: 32,575,255 (GRCm39) P1280L probably benign Het
Muc5ac T C 7: 141,372,342 (GRCm39) Y2659H possibly damaging Het
Nmbr T C 10: 14,645,978 (GRCm39) S168P probably benign Het
Nsl1 A G 1: 190,807,324 (GRCm39) T168A probably benign Het
Or2g7 G A 17: 38,378,115 (GRCm39) D18N probably damaging Het
Or4a27 T C 2: 88,559,185 (GRCm39) I253V probably benign Het
Or5b113 T C 19: 13,342,589 (GRCm39) V199A probably benign Het
Or8s5 A G 15: 98,238,831 (GRCm39) F13S probably benign Het
Pde1c A C 6: 56,157,087 (GRCm39) V191G probably damaging Het
Proc T A 18: 32,256,813 (GRCm39) I285F probably benign Het
R3hdm1 GAA GAAA 1: 128,090,548 (GRCm39) probably null Het
Rsf1 G GACGGCGGCT 7: 97,229,116 (GRCm39) probably benign Homo
Spa17 A T 9: 37,523,270 (GRCm39) S6T probably benign Het
Spp1 T C 5: 104,588,396 (GRCm39) V267A possibly damaging Het
Stk17b A T 1: 53,800,247 (GRCm39) Y244N probably damaging Het
Tal1 A G 4: 114,925,789 (GRCm39) N286S probably damaging Het
Tgm7 T A 2: 120,931,571 (GRCm39) R197S probably damaging Het
Tmcc3 T A 10: 94,414,286 (GRCm39) V27E probably benign Het
Topaz1 A T 9: 122,578,851 (GRCm39) Q587L probably benign Het
Trim33 C T 3: 103,261,035 (GRCm39) A1061V probably damaging Het
Ttll1 C G 15: 83,384,147 (GRCm39) W160S probably damaging Het
Utp25 A T 1: 192,796,075 (GRCm39) F197I probably damaging Het
Wnt7a A G 6: 91,371,540 (GRCm39) Y141H probably benign Het
Other mutations in Kcnb1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01593:Kcnb1 APN 2 166,948,127 (GRCm39) missense probably damaging 1.00
IGL02945:Kcnb1 APN 2 167,030,308 (GRCm39) missense probably benign 0.03
R0139:Kcnb1 UTSW 2 166,947,459 (GRCm39) missense possibly damaging 0.94
R0144:Kcnb1 UTSW 2 166,946,467 (GRCm39) missense probably damaging 1.00
R0238:Kcnb1 UTSW 2 166,946,889 (GRCm39) missense probably benign 0.04
R0238:Kcnb1 UTSW 2 166,946,889 (GRCm39) missense probably benign 0.04
R0848:Kcnb1 UTSW 2 166,948,187 (GRCm39) missense probably damaging 1.00
R2869:Kcnb1 UTSW 2 166,947,855 (GRCm39) missense probably damaging 1.00
R2869:Kcnb1 UTSW 2 166,947,855 (GRCm39) missense probably damaging 1.00
R3964:Kcnb1 UTSW 2 166,946,412 (GRCm39) missense probably damaging 1.00
R3966:Kcnb1 UTSW 2 166,946,412 (GRCm39) missense probably damaging 1.00
R4254:Kcnb1 UTSW 2 166,947,651 (GRCm39) missense probably damaging 1.00
R4418:Kcnb1 UTSW 2 166,947,595 (GRCm39) nonsense probably null
R4625:Kcnb1 UTSW 2 167,030,153 (GRCm39) missense probably damaging 1.00
R4949:Kcnb1 UTSW 2 166,947,521 (GRCm39) missense probably damaging 1.00
R5144:Kcnb1 UTSW 2 166,947,864 (GRCm39) missense probably damaging 1.00
R5249:Kcnb1 UTSW 2 166,947,103 (GRCm39) missense possibly damaging 0.95
R5849:Kcnb1 UTSW 2 166,947,946 (GRCm39) missense probably damaging 1.00
R5869:Kcnb1 UTSW 2 167,029,991 (GRCm39) missense probably benign 0.01
R6108:Kcnb1 UTSW 2 166,947,060 (GRCm39) missense probably damaging 1.00
R6637:Kcnb1 UTSW 2 166,947,774 (GRCm39) missense probably damaging 0.99
R6880:Kcnb1 UTSW 2 166,947,727 (GRCm39) missense probably damaging 1.00
R7391:Kcnb1 UTSW 2 166,947,370 (GRCm39) missense probably damaging 1.00
R7401:Kcnb1 UTSW 2 167,030,204 (GRCm39) missense probably damaging 0.99
R7651:Kcnb1 UTSW 2 167,030,281 (GRCm39) missense probably damaging 1.00
R7744:Kcnb1 UTSW 2 167,030,251 (GRCm39) missense probably damaging 1.00
R7825:Kcnb1 UTSW 2 166,947,892 (GRCm39) missense probably damaging 1.00
R7848:Kcnb1 UTSW 2 166,948,188 (GRCm39) missense probably damaging 1.00
R7934:Kcnb1 UTSW 2 166,946,536 (GRCm39) missense probably benign 0.03
R8215:Kcnb1 UTSW 2 166,946,361 (GRCm39) missense probably benign 0.43
R8241:Kcnb1 UTSW 2 166,948,117 (GRCm39) missense probably damaging 1.00
R8388:Kcnb1 UTSW 2 166,947,217 (GRCm39) missense probably benign
R8553:Kcnb1 UTSW 2 166,946,531 (GRCm39) missense possibly damaging 0.67
R9353:Kcnb1 UTSW 2 166,947,007 (GRCm39) missense probably benign
R9622:Kcnb1 UTSW 2 167,030,161 (GRCm39) missense probably damaging 1.00
Z1088:Kcnb1 UTSW 2 167,029,981 (GRCm39) missense probably benign 0.38
Z1176:Kcnb1 UTSW 2 167,030,322 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GCTCCTTGTAGAACTCGGAGAAG -3'
(R):5'- TGCAGTTCCAGAATGTGCGC -3'

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