Incidental Mutation 'R6108:Kcnb1'
ID 485590
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 044258-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6108 (G1)
Quality Score 153.008
Status Validated
Chromosome 2
Chromosomal Location 166937889-167032075 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 166947060 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Methionine at position 596 (T596M)
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: T596M

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000057981
Gene: ENSMUSG00000050556
AA Change: T596M

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: T596M

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.9%
  • 20x: 93.8%
Validation Efficiency 96% (53/55)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrv1 A G 13: 81,539,814 (GRCm39) F5702L probably damaging Het
Aptx G A 4: 40,694,986 (GRCm39) Q117* probably null Het
Axin1 T A 17: 26,362,214 (GRCm39) M186K probably damaging Het
Btbd2 A T 10: 80,481,365 (GRCm39) L249Q probably damaging Het
Caprin1 C T 2: 103,606,362 (GRCm39) V293I possibly damaging Het
Ccdc136 C A 6: 29,412,449 (GRCm39) H334Q probably benign Het
Ccdc180 A G 4: 45,911,389 (GRCm39) N568S possibly damaging Het
Cenpf A T 1: 189,394,210 (GRCm39) F515L probably benign Het
Chrm2 T A 6: 36,500,230 (GRCm39) V29E probably damaging Het
Cnot1 A G 8: 96,457,048 (GRCm39) L1956P probably damaging Het
Cyp2d22 T C 15: 82,256,106 (GRCm39) K176R possibly damaging Het
Dnah7a A T 1: 53,496,004 (GRCm39) I3151N probably damaging Het
Dsg1a T A 18: 20,473,304 (GRCm39) D792E probably benign Het
Fam167b A T 4: 129,472,101 (GRCm39) L23* probably null Het
Fermt3 C A 19: 6,991,782 (GRCm39) R143L probably benign Het
Gfm2 A G 13: 97,285,930 (GRCm39) I140V possibly damaging Het
Gna14 A G 19: 16,580,707 (GRCm39) T182A probably damaging Het
Hmcn1 A G 1: 150,506,978 (GRCm39) V3738A possibly damaging Het
Hspa4 C T 11: 53,152,539 (GRCm39) G810D probably damaging Het
Igf2bp3 A G 6: 49,094,308 (GRCm39) I154T probably damaging Het
Il1rap G A 16: 26,541,457 (GRCm39) S566N probably damaging Het
Kcnn1 A C 8: 71,307,800 (GRCm39) S81A probably benign Het
Lmod1 G A 1: 135,291,849 (GRCm39) G235R probably benign Het
Mei1 A T 15: 81,959,389 (GRCm39) R185S possibly damaging Het
Mmrn1 G A 6: 60,952,960 (GRCm39) V414M possibly damaging Het
Mon2 C A 10: 122,868,600 (GRCm39) M484I probably benign Het
Nae1 A T 8: 105,254,034 (GRCm39) D99E probably benign Het
Nsun7 T A 5: 66,453,142 (GRCm39) I619N probably damaging Het
Nudt12 C A 17: 59,314,744 (GRCm39) R280L probably damaging Het
Or1l4 T C 2: 37,091,778 (GRCm39) V175A possibly damaging Het
P2ry1 T A 3: 60,911,596 (GRCm39) I245N probably damaging Het
Plch1 C T 3: 63,609,444 (GRCm39) R912H probably damaging Het
Plek T A 11: 16,940,058 (GRCm39) Y217F probably damaging Het
Plpp1 A T 13: 113,003,399 (GRCm39) I208F possibly damaging Het
Ptges3-ps C T 6: 85,821,537 (GRCm39) noncoding transcript Het
Ptprf A G 4: 118,080,453 (GRCm39) L1267P probably benign Het
Ptprz1 A T 6: 23,045,658 (GRCm39) S2143C probably damaging Het
Scn9a T C 2: 66,314,393 (GRCm39) D1764G probably damaging Het
Serpinb5 T A 1: 106,809,458 (GRCm39) L288Q probably damaging Het
Slc6a20b T G 9: 123,425,251 (GRCm39) M539L probably benign Het
Slfnl1 A G 4: 120,390,558 (GRCm39) T70A probably benign Het
Smtn C A 11: 3,479,608 (GRCm39) L486F probably damaging Het
Sptbn2 G A 19: 4,781,420 (GRCm39) probably null Het
Tas2r144 C A 6: 42,192,691 (GRCm39) L144I possibly damaging Het
Tjp3 C T 10: 81,116,980 (GRCm39) R183K probably benign Het
Tnip3 A G 6: 65,502,395 (GRCm39) probably null Het
Tspan12 T A 6: 21,772,770 (GRCm39) M212L probably benign Het
Ttn T A 2: 76,708,385 (GRCm39) probably benign Het
Vmn1r71 T C 7: 10,482,545 (GRCm39) M48V probably benign Het
Vmn2r10 A G 5: 109,143,667 (GRCm39) F761S probably damaging Het
Vmn2r106 G A 17: 20,488,638 (GRCm39) P587L probably benign Het
Wdr72 A G 9: 74,058,950 (GRCm39) T348A probably damaging Het
Xrn1 A T 9: 95,856,480 (GRCm39) L333F possibly damaging 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
R6636:Kcnb1 UTSW 2 166,947,774 (GRCm39) missense probably damaging 0.99
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'- TTGTGGGTCTTCATGGAACTCC -3'
(R):5'- GCTGCAAGACATGTACAGCAAG -3'

Sequencing Primer
(F):5'- GGGGCTCTCCACGAAGAAAC -3'
(R):5'- GATGGCCAAGACCCAGTCTC -3'
Posted On 2017-08-16