Incidental Mutation 'R2869:Kcnb1'
ID 266422
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 040457-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2869 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 166937889-167032075 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 166947855 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 331 (L331P)
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: L331P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000057981
Gene: ENSMUSG00000050556
AA Change: L331P

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: L331P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.7%
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: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Als2 A G 1: 59,250,296 (GRCm39) S483P probably damaging Het
C030034I22Rik T A 17: 69,725,106 (GRCm39) noncoding transcript Het
Carmil1 G A 13: 24,229,051 (GRCm39) silent Het
Ccl27a C T 4: 41,769,640 (GRCm39) R73Q probably benign Het
Cd6 A G 19: 10,771,990 (GRCm39) I307T possibly damaging Het
Dennd2b A T 7: 109,156,637 (GRCm39) Y38N probably benign Het
Dhx57 A T 17: 80,558,805 (GRCm39) D1051E probably benign Het
Eif4enif1 C T 11: 3,192,586 (GRCm39) P805S probably damaging Het
Fan1 A G 7: 64,012,938 (GRCm39) I668T probably benign Het
Frmpd4 A T X: 166,260,243 (GRCm39) D1166E probably benign Homo
Gbp11 C T 5: 105,478,866 (GRCm39) D191N probably benign Het
Ggt6 A T 11: 72,328,187 (GRCm39) N229I probably benign Het
Gm26902 T A 19: 34,452,210 (GRCm39) H106L probably benign Het
Gm37340 G A 2: 6,955,739 (GRCm39) probably benign Het
Gm9874 A T 17: 30,704,763 (GRCm39) probably benign Het
Gria2 G A 3: 80,609,799 (GRCm39) T670I probably damaging Het
Gsdme A T 6: 50,185,157 (GRCm39) C432* probably null Het
Habp2 T A 19: 56,276,423 (GRCm39) probably benign Het
Hmcn1 A T 1: 150,614,467 (GRCm39) V1313D possibly damaging Het
Klf8 A T X: 152,165,678 (GRCm39) E82D probably damaging Homo
Krt13 A G 11: 100,008,475 (GRCm39) S421P unknown Het
Lactbl1 G A 4: 136,354,097 (GRCm39) C37Y probably damaging Het
Lzts2 C A 19: 45,012,534 (GRCm39) S321* probably null Het
Marchf8 C T 6: 116,378,106 (GRCm39) probably benign Het
Meikin T C 11: 54,264,333 (GRCm39) V103A possibly damaging Het
Mki67 G A 7: 135,309,878 (GRCm39) P191L probably benign Het
Mlxip A G 5: 123,590,730 (GRCm39) M878V probably benign Het
Mpp7 G A 18: 7,461,678 (GRCm39) P65L possibly damaging Het
Myo9b G A 8: 71,786,981 (GRCm39) R721Q probably benign Het
Nav1 A G 1: 135,388,495 (GRCm39) silent Het
Nbn T A 4: 15,963,810 (GRCm39) D70E probably damaging Het
Nell1 A T 7: 49,899,405 (GRCm39) probably benign Het
Nomo1 C A 7: 45,696,361 (GRCm39) T293N probably damaging Het
Notum A G 11: 120,551,022 (GRCm39) V48A probably benign Het
Nwd2 A T 5: 63,957,671 (GRCm39) I334L probably benign Het
Or10z1 T C 1: 174,078,092 (GRCm39) S134G probably benign Het
Or4k2 T C 14: 50,423,811 (GRCm39) T288A probably benign Het
Or6c211 A T 10: 129,505,628 (GRCm39) C253* probably null Het
Ostc T C 3: 130,497,157 (GRCm39) N80S probably damaging Het
Otud4 T A 8: 80,387,702 (GRCm39) N300K possibly damaging Het
Palmd T C 3: 116,717,400 (GRCm39) R366G possibly damaging Het
Parp1 A G 1: 180,401,230 (GRCm39) D45G probably damaging Het
Pes1 C A 11: 3,926,834 (GRCm39) T372K probably benign Het
Plcl1 A T 1: 55,736,309 (GRCm39) D550V probably benign Het
Ppp1r7 T A 1: 93,285,585 (GRCm39) probably null Het
Prdx4 A G X: 154,123,460 (GRCm39) V15A probably benign Homo
Psmb8 T C 17: 34,419,144 (GRCm39) I146T probably damaging Het
Psmd13 A T 7: 140,466,968 (GRCm39) T116S probably damaging Het
Pzp A T 6: 128,462,519 (GRCm39) probably null Het
Serinc2 A G 4: 130,159,005 (GRCm39) S29P probably damaging Het
Slc39a8 T A 3: 135,592,554 (GRCm39) probably null Het
Sppl2c C T 11: 104,078,141 (GRCm39) P314S probably benign Het
St7 C T 6: 17,819,276 (GRCm39) P60L probably damaging Het
Stx3 A T 19: 11,766,938 (GRCm39) V91D probably damaging Het
Taf6l A G 19: 8,755,992 (GRCm39) probably benign Het
Tafa2 A T 10: 123,540,270 (GRCm39) H42L possibly damaging Het
Tnni3k C T 3: 154,644,387 (GRCm39) probably null Het
Tprg1 T C 16: 25,231,590 (GRCm39) W189R probably damaging Het
Trim32 A G 4: 65,532,694 (GRCm39) D417G probably damaging Het
Vmn2r68 A C 7: 84,882,834 (GRCm39) M306R probably benign Het
Vwa7 G A 17: 35,240,218 (GRCm39) M395I probably damaging Het
Ybx3 G A 6: 131,347,376 (GRCm39) A253V probably damaging Het
Zfp53 A T 17: 21,728,340 (GRCm39) E124D probably benign Het
Zzz3 T A 3: 152,152,481 (GRCm39) silent 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
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
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'- AGTCTTAGGGTAGATGTCTCCG -3'
(R):5'- ATGGAAGTTCTTTAAGGGCCCC -3'

Sequencing Primer
(F):5'- TAGGGTAGATGTCTCCGTAACCAAC -3'
(R):5'- AACGCCATTGACTTACTGGC -3'
Posted On 2015-02-18