Incidental Mutation 'R6880:Kcnb1'
ID 536600
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 044976-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6880 (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 166947727 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 374 (T374A)
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: T374A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000057981
Gene: ENSMUSG00000050556
AA Change: T374A

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: T374A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.1%
Validation Efficiency 97% (62/64)
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acad9 T A 3: 36,123,854 (GRCm39) probably null Het
Aff3 T C 1: 38,574,243 (GRCm39) H206R probably damaging Het
Aff3 T C 1: 38,666,209 (GRCm39) D5G possibly damaging Het
Alg5 A G 3: 54,646,264 (GRCm39) E43G probably damaging Het
Ankrd36 T C 11: 5,578,748 (GRCm39) L4P probably damaging Het
Ano1 T C 7: 144,198,479 (GRCm39) Y345C probably benign Het
Atf7ip A G 6: 136,538,038 (GRCm39) I432V probably damaging Het
B230307C23Rik T C 16: 97,798,627 (GRCm39) probably benign Het
Baz2b T A 2: 59,743,283 (GRCm39) N1563Y probably damaging Het
Bhlha15 A T 5: 144,128,451 (GRCm39) T188S probably damaging Het
Cbr3 T C 16: 93,487,426 (GRCm39) V203A probably benign Het
Cpsf1 T C 15: 76,486,739 (GRCm39) T266A probably benign Het
Dnah7c T C 1: 46,566,831 (GRCm39) Y681H probably damaging Het
Dock2 C T 11: 34,579,279 (GRCm39) probably null Het
Dsc1 T A 18: 20,221,429 (GRCm39) D682V probably damaging Het
Fkbp15 A T 4: 62,254,732 (GRCm39) I256N possibly damaging Het
Foxd1 A C 13: 98,491,225 (GRCm39) D33A unknown Het
Gid4 T A 11: 60,327,261 (GRCm39) F149I probably damaging Het
Hmcn2 G T 2: 31,233,068 (GRCm39) V206L probably damaging Het
Ighg2b T C 12: 113,270,726 (GRCm39) I135V Het
Ighv1-24 T C 12: 114,736,663 (GRCm39) Y79C possibly damaging Het
Impg1 T A 9: 80,312,082 (GRCm39) D167V probably damaging Het
Jakmip1 T C 5: 37,262,967 (GRCm39) S372P possibly damaging Het
Lrrn4 A G 2: 132,714,032 (GRCm39) S305P probably damaging Het
Ltbp1 C T 17: 75,628,044 (GRCm39) T1179I possibly damaging Het
Mab21l2 A G 3: 86,454,463 (GRCm39) I179T possibly damaging Het
Myo5b A T 18: 74,855,501 (GRCm39) H1230L probably benign Het
Myocos T C 1: 162,484,602 (GRCm39) probably null Het
Nipa2 T C 7: 55,582,999 (GRCm39) T249A probably damaging Het
Oas1a C A 5: 121,040,003 (GRCm39) R196L probably damaging Het
Or2ag18 A T 7: 106,405,019 (GRCm39) S217T probably damaging Het
Or5an11 A G 19: 12,245,974 (GRCm39) I127V probably benign Het
Or8k41 A G 2: 86,314,069 (GRCm39) F6L probably benign Het
Phxr2 G A 10: 98,961,946 (GRCm39) probably benign Het
Pigq A G 17: 26,153,802 (GRCm39) L85P probably damaging Het
Pla2g4a T A 1: 149,727,202 (GRCm39) D518V possibly damaging Het
Pm20d1 A G 1: 131,731,839 (GRCm39) K294E probably benign Het
Polr3d C A 14: 70,677,455 (GRCm39) R307L probably benign Het
Pou5f2 T C 13: 78,173,613 (GRCm39) L185P possibly damaging Het
Prex2 A T 1: 11,202,608 (GRCm39) N506Y probably damaging Het
Proser1 T A 3: 53,385,260 (GRCm39) S381T probably benign Het
Prpf4b T C 13: 35,078,436 (GRCm39) V682A possibly damaging Het
Prr14l A T 5: 32,988,211 (GRCm39) L428Q probably benign Het
Prss23 A G 7: 89,160,033 (GRCm39) V12A probably benign Het
Qki T C 17: 10,434,376 (GRCm39) D321G probably benign Het
Rab11fip5 A G 6: 85,325,827 (GRCm39) L193P probably damaging Het
Retreg1 T G 15: 25,971,825 (GRCm39) L245R probably damaging Het
Rfc1 T C 5: 65,434,729 (GRCm39) N679S probably benign Het
Rpl4 C T 9: 64,084,335 (GRCm39) A220V probably damaging Het
Rxra G A 2: 27,638,668 (GRCm39) E224K possibly damaging Het
Slc26a7 A G 4: 14,516,159 (GRCm39) C557R possibly damaging Het
Sncaip A G 18: 53,002,136 (GRCm39) K219R probably damaging Het
Sorbs1 G C 19: 40,365,244 (GRCm39) R180G probably benign Het
Sphkap A G 1: 83,234,978 (GRCm39) V1616A probably damaging Het
Sulf1 T C 1: 12,912,979 (GRCm39) C738R probably damaging Het
Suz12 T A 11: 79,892,998 (GRCm39) C38* probably null Het
Ttn T C 2: 76,550,842 (GRCm39) T23190A probably damaging Het
Twnk A G 19: 44,995,855 (GRCm39) D96G probably benign Het
Vcan T A 13: 89,860,500 (GRCm39) N289I probably damaging Het
Vmn2r120 A T 17: 57,816,187 (GRCm39) S723T probably damaging Het
Vmn2r97 A T 17: 19,134,770 (GRCm39) I63F probably benign Het
Washc5 T C 15: 59,222,021 (GRCm39) N125S probably benign Het
Zfp865 A G 7: 5,033,548 (GRCm39) Y511C 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
R6637:Kcnb1 UTSW 2 166,947,774 (GRCm39) missense probably damaging 0.99
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'- ATGTTCATGGACACGATGCTG -3'
(R):5'- ATCCTGCGCATCCTGAAGTTG -3'

Sequencing Primer
(F):5'- ACACGATGCTGCCGTTC -3'
(R):5'- ATCCTGAAGTTGGCCCGC -3'
Posted On 2018-10-18