Incidental Mutation 'R8553:Kcnb1'
ID 659954
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
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8553 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 166937889-167032075 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 166946531 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Arginine at position 772 (S772R)
Ref Sequence ENSEMBL: ENSMUSP00000147093 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000059826] [ENSMUST00000207917]
AlphaFold Q03717
Predicted Effect possibly damaging
Transcript: ENSMUST00000059826
AA Change: S772R

PolyPhen 2 Score 0.667 (Sensitivity: 0.86; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000057981
Gene: ENSMUSG00000050556
AA Change: S772R

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 possibly damaging
Transcript: ENSMUST00000207917
AA Change: S772R

PolyPhen 2 Score 0.667 (Sensitivity: 0.86; Specificity: 0.91)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.4%
Validation Efficiency
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
4933427I04Rik A G 4: 123,754,327 (GRCm39) I80M probably benign Het
Acsbg3 T A 17: 57,188,021 (GRCm39) D176E probably benign Het
Aga G A 8: 53,973,367 (GRCm39) R255H probably damaging Het
Anapc1 G A 2: 128,461,833 (GRCm39) P1757L possibly damaging Het
Arfgef3 T A 10: 18,479,278 (GRCm39) I1446L probably damaging Het
Auts2 T C 5: 131,468,981 (GRCm39) T779A probably benign Het
Cacna1s T C 1: 136,019,540 (GRCm39) S778P possibly damaging Het
Cep164 A T 9: 45,718,508 (GRCm39) probably benign Het
Cmya5 T C 13: 93,230,304 (GRCm39) T1595A probably benign Het
Csmd3 G T 15: 47,484,724 (GRCm39) T3214K possibly damaging Het
Dpy30 A G 17: 74,622,913 (GRCm39) L23P probably damaging Het
Edrf1 A G 7: 133,252,047 (GRCm39) E391G possibly damaging Het
Egflam A T 15: 7,237,229 (GRCm39) V985E probably damaging Het
Elmo3 T C 8: 106,033,810 (GRCm39) V201A probably benign Het
Entrep3 A C 3: 89,094,153 (GRCm39) D322A possibly damaging Het
Epb41l5 T A 1: 119,477,671 (GRCm39) D700V possibly damaging Het
Esr1 T C 10: 4,947,847 (GRCm39) S467P probably damaging Het
Eya4 G A 10: 22,982,157 (GRCm39) H601Y probably damaging Het
Fancm A C 12: 65,173,469 (GRCm39) N1927T possibly damaging Het
Gcfc2 A G 6: 81,912,944 (GRCm39) T248A probably benign Het
Gm29106 T A 1: 118,128,149 (GRCm39) C614S probably damaging Het
Greb1 T C 12: 16,773,328 (GRCm39) T249A probably benign Het
Hectd4 T C 5: 121,491,661 (GRCm39) S3700P possibly damaging Het
Hr T C 14: 70,804,965 (GRCm39) L950P probably damaging Het
Hsd3b3 T A 3: 98,651,205 (GRCm39) T82S possibly damaging Het
Ifit2 C A 19: 34,550,538 (GRCm39) A26E probably benign Het
Igsf9b A G 9: 27,244,739 (GRCm39) D902G probably damaging Het
Itga4 G A 2: 79,131,405 (GRCm39) R591Q probably damaging Het
Klhl32 T A 4: 24,629,343 (GRCm39) I213L probably benign Het
Lcn3 A T 2: 25,656,347 (GRCm39) probably null Het
Lpin2 T A 17: 71,538,232 (GRCm39) S293T probably damaging Het
Magi2 T C 5: 20,856,198 (GRCm39) F840S probably benign Het
Myt1 G A 2: 181,439,344 (GRCm39) E289K possibly damaging Het
Ndst4 A G 3: 125,503,756 (GRCm39) S8G probably damaging Het
Nlrp4f T C 13: 65,343,252 (GRCm39) D109G possibly damaging Het
Or6d14 G T 6: 116,534,289 (GRCm39) R301L probably damaging Het
Pcdhb12 C T 18: 37,570,687 (GRCm39) A611V probably damaging Het
Pcif1 A T 2: 164,728,417 (GRCm39) I225F probably damaging Het
Peli3 A G 19: 4,984,960 (GRCm39) F150L probably damaging Het
Qng1 G A 13: 58,532,694 (GRCm39) T92M probably damaging Het
Rfx7 A G 9: 72,519,086 (GRCm39) T263A probably damaging Het
Rpn1 A G 6: 88,072,539 (GRCm39) Y294C probably damaging Het
Rusc2 T A 4: 43,416,508 (GRCm39) S605T probably benign Het
Sec23ip A C 7: 128,355,777 (GRCm39) Q300P probably damaging Het
Sh2d3c A G 2: 32,635,925 (GRCm39) T98A probably damaging Het
Siah3 T A 14: 75,763,067 (GRCm39) I106K probably benign Het
Spns2 C T 11: 72,348,053 (GRCm39) D305N probably damaging Het
Sult1a1 G T 7: 126,273,333 (GRCm39) Q177K probably benign Het
Tas2r109 A G 6: 132,957,171 (GRCm39) I253T probably benign Het
Tcof1 T C 18: 60,964,643 (GRCm39) D661G possibly damaging Het
Tdrd1 A G 19: 56,831,584 (GRCm39) N325S probably damaging Het
Tfcp2l1 C A 1: 118,560,082 (GRCm39) A58E probably damaging Het
Wdcp T C 12: 4,902,024 (GRCm39) 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
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
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'- AGCTTGCATTTCTCTTGGGC -3'
(R):5'- CTGGGCTTGTATCACGATCC -3'

Sequencing Primer
(F):5'- ATTTCTCTTGGGCCCCGGG -3'
(R):5'- GAGTGTGCCTCCCTCTTAGACAAG -3'
Posted On 2021-01-18