Incidental Mutation 'R6637:Kcnb1'
ID 525512
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 044758-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6637 (G1)
Quality Score 225.009
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: 99.4%
  • 10x: 97.4%
  • 20x: 92.1%
Validation Efficiency 100% (34/34)
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: 35 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrl4 G A 3: 151,223,410 (GRCm39) W621* probably null Het
Adh1 T A 3: 137,988,231 (GRCm39) C98* probably null Het
Alms1 A G 6: 85,596,716 (GRCm39) H514R possibly damaging Het
Ap4m1 A G 5: 138,170,437 (GRCm39) probably benign Het
Atp6v1b2 T C 8: 69,554,026 (GRCm39) Y68H probably damaging Het
Cdh3 G C 8: 107,237,973 (GRCm39) V56L probably benign Het
Col3a1 C T 1: 45,386,890 (GRCm39) T234I probably damaging Het
Cxadr C T 16: 78,130,391 (GRCm39) T186M possibly damaging Het
Dmgdh A T 13: 93,845,706 (GRCm39) E453D probably benign Het
Fbxo16 A G 14: 65,533,210 (GRCm39) probably null Het
Fign A G 2: 63,858,252 (GRCm39) probably benign 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
Invs G A 4: 48,416,203 (GRCm39) probably null Het
Kcnk5 A C 14: 20,194,789 (GRCm39) M183R probably null Het
Lamp3 A G 16: 19,519,983 (GRCm39) F67L probably benign Het
Lrrc8b A C 5: 105,628,137 (GRCm39) D161A possibly damaging Het
Lrriq1 A T 10: 103,057,293 (GRCm39) F169Y probably benign Het
Lsamp T A 16: 41,353,743 (GRCm39) V2D possibly damaging 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
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
Or5t15 T G 2: 86,681,784 (GRCm39) K86T probably benign Het
Spa17 A T 9: 37,523,270 (GRCm39) S6T probably benign Het
Ston2 G C 12: 91,680,886 (GRCm39) T126S probably damaging Het
Tal1 A G 4: 114,925,789 (GRCm39) N286S probably damaging Het
Tbr1 A G 2: 61,641,974 (GRCm39) D150G probably benign Het
Tgm7 T A 2: 120,931,571 (GRCm39) R197S probably damaging Het
Topaz1 A T 9: 122,578,851 (GRCm39) Q587L probably benign Het
Ubxn4 C A 1: 128,204,824 (GRCm39) Q505K probably damaging Het
Vcl A G 14: 21,053,200 (GRCm39) E405G probably damaging Het
Vmn2r26 A T 6: 124,038,650 (GRCm39) I742F probably 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
R6108:Kcnb1 UTSW 2 166,947,060 (GRCm39) missense probably damaging 1.00
R6636: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'- CTGCTCCTTGTAGAACTCGG -3'
(R):5'- TGCAGTTCCAGAATGTGCG -3'

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