Incidental Mutation 'R7825:Kcnb1'
ID 602115
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 045879-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7825 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 166937889-167032075 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 166947892 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Threonine at position 319 (S319T)
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: S319T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000057981
Gene: ENSMUSG00000050556
AA Change: S319T

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 probably damaging
Transcript: ENSMUST00000207917
AA Change: S319T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Meta Mutation Damage Score 0.7793 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 98% (55/56)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700013G24Rik C T 4: 137,182,654 (GRCm39) R270C probably damaging Het
Adprs C A 4: 126,215,489 (GRCm39) probably benign Het
Akp3 TCACCACCACCACCACCACCACCACCACCAC TCACCACCACCACCACCACCACCACCAC 1: 87,055,489 (GRCm39) probably benign Het
Ambra1 A G 2: 91,598,106 (GRCm39) H89R probably damaging Het
Atp1a1 T C 3: 101,493,485 (GRCm39) N540D probably benign Het
Cd38 A T 5: 44,058,797 (GRCm39) H137L probably damaging Het
Clasp1 T C 1: 118,473,123 (GRCm39) V3A probably benign Het
Cmya5 G T 13: 93,234,136 (GRCm39) H317Q possibly damaging Het
Cpeb2 A T 5: 43,394,882 (GRCm39) D95V probably damaging Het
Cyp2f2 G A 7: 26,828,678 (GRCm39) V183I probably benign Het
Dcst1 A G 3: 89,260,128 (GRCm39) L572P possibly damaging Het
Eif3e A C 15: 43,129,667 (GRCm39) probably null Het
Ephb4 T C 5: 137,370,699 (GRCm39) S911P probably damaging Het
Fam186b T C 15: 99,181,728 (GRCm39) T157A not run Het
Gnmt T C 17: 47,040,019 (GRCm39) D20G probably damaging Het
Gpatch8 A C 11: 102,372,268 (GRCm39) D423E unknown Het
Gtf3c2 T C 5: 31,315,715 (GRCm39) H790R probably damaging Het
Hepacam T C 9: 37,296,064 (GRCm39) I405T probably benign Het
Hspg2 T A 4: 137,286,160 (GRCm39) V3574E probably damaging Het
Ifi202b A C 1: 173,802,616 (GRCm39) F73V probably damaging Het
Krt16 T A 11: 100,139,460 (GRCm39) D86V unknown Het
Krt76 T A 15: 101,795,938 (GRCm39) T411S possibly damaging Het
Myh8 A T 11: 67,194,538 (GRCm39) D1583V possibly damaging Het
Nav1 A T 1: 135,377,782 (GRCm39) V1689D probably damaging Het
Ncor2 T C 5: 125,114,141 (GRCm39) T611A possibly damaging Het
Nipbl T A 15: 8,320,971 (GRCm39) Y2712F probably damaging Het
Ntng2 T A 2: 29,094,090 (GRCm39) H427L probably benign Het
Pcdhga4 T A 18: 37,820,374 (GRCm39) L641Q probably damaging Het
Phc1 T C 6: 122,299,340 (GRCm39) K623R probably benign Het
Polr1b C A 2: 128,967,464 (GRCm39) F952L probably damaging Het
Prcc T A 3: 87,777,052 (GRCm39) E307D possibly damaging Het
Prss27 T C 17: 24,261,932 (GRCm39) F80S probably damaging Het
Rsf1 G GACGGCGGCC 7: 97,229,116 (GRCm39) probably benign Het
Serpina11 T C 12: 103,950,836 (GRCm39) Q295R probably benign Het
Sgk2 G T 2: 162,848,801 (GRCm39) V284L possibly damaging Het
Slc15a2 C T 16: 36,573,396 (GRCm39) V603I possibly damaging Het
Smpd3 A C 8: 106,982,254 (GRCm39) C617G probably benign Het
Stat1 A G 1: 52,190,467 (GRCm39) H574R probably damaging Het
Ston1 T C 17: 88,943,881 (GRCm39) V429A possibly damaging Het
Tep1 T C 14: 51,081,344 (GRCm39) probably null Het
Tesk1 A C 4: 43,447,143 (GRCm39) R510S probably damaging Het
Themis A G 10: 28,658,470 (GRCm39) E499G probably benign Het
Thra G A 11: 98,653,774 (GRCm39) V202I probably benign Het
Tiam1 A T 16: 89,694,977 (GRCm39) M160K probably benign Het
Tmc1 T C 19: 20,782,009 (GRCm39) I570V possibly damaging Het
Treml1 C A 17: 48,673,784 (GRCm39) P270Q probably damaging Het
Ttc39d A G 17: 80,523,575 (GRCm39) N78S probably damaging Het
Ttll3 CAAAGTAA CAAAGTAAAGTAA 6: 113,376,118 (GRCm39) probably null Het
Ttll3 AAGTA AAGTAGAGTA 6: 113,376,120 (GRCm39) probably null Het
Ube3b T A 5: 114,539,373 (GRCm39) L388Q probably damaging Het
Ugt2b35 T A 5: 87,149,218 (GRCm39) C156* probably null Het
Vmn1r35 A T 6: 66,656,443 (GRCm39) C76S probably damaging Het
Wwc2 A G 8: 48,443,197 (GRCm39) L12P probably damaging Het
Zfat T C 15: 68,051,769 (GRCm39) E668G probably benign Het
Zfp40 T C 17: 23,395,301 (GRCm39) T429A 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
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'- AACGGTCGTCATGGTGATG -3'
(R):5'- ACTTGCTGAGGTTCCTGTCC -3'

Sequencing Primer
(F):5'- TCATGGTGATGGTAGCCCAC -3'
(R):5'- AATGGAAGTTCTTTAAGGGCCCCC -3'
Posted On 2019-12-03