Incidental Mutation 'R8156:Kcnb2'
ID 633295
Institutional Source Beutler Lab
Gene Symbol Kcnb2
Ensembl Gene ENSMUSG00000092083
Gene Name potassium voltage gated channel, Shab-related subfamily, member 2
Synonyms Kv2.2, 9630047L19Rik
MMRRC Submission 067582-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8156 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 15357478-15793974 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 15780280 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Phenylalanine at position 384 (Y384F)
Ref Sequence ENSEMBL: ENSMUSP00000126656 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000170146] [ENSMUST00000175681]
AlphaFold A6H8H5
Predicted Effect probably damaging
Transcript: ENSMUST00000170146
AA Change: Y384F

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
Predicted Effect probably damaging
Transcript: ENSMUST00000175681
AA Change: Y384F

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000135382
Gene: ENSMUSG00000092083
AA Change: Y384F

DomainStartEndE-ValueType
BTB 35 144 2.59e-14 SMART
low complexity region 150 166 N/A INTRINSIC
Pfam:Ion_trans 192 428 1.7e-51 PFAM
Pfam:Ion_trans_2 336 422 2.5e-13 PFAM
Pfam:Kv2channel 471 755 7.7e-149 PFAM
Meta Mutation Damage Score 0.5382 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.8%
  • 10x: 99.4%
  • 20x: 98.8%
Validation Efficiency 95% (40/42)
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. The gene is expressed in gastrointestinal smooth muscle cells. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a targeted mutation exhibit neurological abnormalities when compared with controls, including an abnormal sleep/wake cycle, decreased exploratory and locomotor activity, and a motor strength deficit. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alyref T C 11: 120,489,074 (GRCm39) R31G probably benign Het
Arfgef2 GTGTGCAGAAACT GT 2: 166,676,383 (GRCm39) 92 probably null Het
Arhgap31 G T 16: 38,445,991 (GRCm39) A118E probably damaging Het
Asb5 T A 8: 55,003,541 (GRCm39) I21K probably damaging Het
Asxl2 A G 12: 3,546,760 (GRCm39) I515V probably benign Het
Bend7 C T 2: 4,757,665 (GRCm39) P236S probably benign Het
C4bp T C 1: 130,566,824 (GRCm39) T351A probably benign Het
Cd1d2 T A 3: 86,894,569 (GRCm39) probably null Het
Chd1 T A 17: 15,981,666 (GRCm39) D1368E probably benign Het
Chrnb3 A G 8: 27,883,682 (GRCm39) I140V probably benign Het
Cip2a A G 16: 48,817,825 (GRCm39) D65G probably damaging Het
Col6a2 T C 10: 76,432,625 (GRCm39) T843A possibly damaging Het
Dnajc2 A G 5: 21,986,317 (GRCm39) probably null Het
Dop1a A G 9: 86,376,510 (GRCm39) D248G probably damaging Het
Dtna T A 18: 23,723,388 (GRCm39) C197* probably null Het
Flg2 T C 3: 93,127,390 (GRCm39) S2101P unknown Het
Foxg1 A G 12: 49,431,429 (GRCm39) H54R unknown Het
Gpr137b T C 13: 13,533,991 (GRCm39) Y355C Het
Gpr35 A G 1: 92,910,437 (GRCm39) T50A probably damaging Het
Gsta3 A T 1: 21,330,322 (GRCm39) Y108F probably benign Het
Hdac4 G T 1: 91,886,138 (GRCm39) A811E probably damaging Het
Hephl1 A T 9: 14,972,210 (GRCm39) V910E possibly damaging Het
Kmt2a T C 9: 44,733,686 (GRCm39) I2210M unknown Het
Lamb2 C T 9: 108,357,845 (GRCm39) R123W probably damaging Het
Lrriq1 A G 10: 102,992,196 (GRCm39) probably null Het
Lsm4 G A 8: 71,131,018 (GRCm39) G112S probably damaging Het
Myt1 T C 2: 181,464,554 (GRCm39) probably null Het
Ndor1 T C 2: 25,138,746 (GRCm39) R396G probably benign Het
Or10ag56 A C 2: 87,139,318 (GRCm39) I82L probably damaging Het
Pcnx1 C T 12: 81,965,593 (GRCm39) R59* probably null Het
Prdm2 A G 4: 142,861,338 (GRCm39) S651P probably benign Het
Prkaa2 T C 4: 104,909,172 (GRCm39) M91V probably benign Het
Pskh1 G A 8: 106,640,226 (GRCm39) R302H probably benign Het
Rab11fip4 A G 11: 79,577,415 (GRCm39) T390A probably benign Het
Snx10 T C 6: 51,538,999 (GRCm39) probably benign Het
Taar5 T C 10: 23,847,393 (GRCm39) C264R probably damaging Het
Tcf20 A G 15: 82,737,138 (GRCm39) C1438R probably benign Het
Tfap2d A G 1: 19,173,486 (GRCm39) T3A probably benign Het
Toporsl A G 4: 52,609,975 (GRCm39) probably benign Het
Trim71 A G 9: 114,342,192 (GRCm39) S697P probably benign Het
Ufl1 T C 4: 25,269,057 (GRCm39) D258G probably damaging Het
Vmn1r28 T C 6: 58,242,183 (GRCm39) Y9H probably damaging Het
Zfp995 T A 17: 22,099,115 (GRCm39) H373L probably damaging Het
Other mutations in Kcnb2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00425:Kcnb2 APN 1 15,781,236 (GRCm39) missense probably benign 0.02
IGL01321:Kcnb2 APN 1 15,383,147 (GRCm39) missense probably benign 0.09
IGL01353:Kcnb2 APN 1 15,781,048 (GRCm39) missense probably benign 0.02
IGL01990:Kcnb2 APN 1 15,383,178 (GRCm39) missense probably benign 0.19
IGL02008:Kcnb2 APN 1 15,781,033 (GRCm39) missense probably benign 0.00
IGL02120:Kcnb2 APN 1 15,780,085 (GRCm39) missense probably damaging 0.98
IGL02370:Kcnb2 APN 1 15,781,159 (GRCm39) missense probably benign
IGL02526:Kcnb2 APN 1 15,780,979 (GRCm39) missense probably damaging 1.00
IGL02859:Kcnb2 APN 1 15,780,730 (GRCm39) missense probably damaging 1.00
IGL03039:Kcnb2 APN 1 15,781,435 (GRCm39) missense probably benign
IGL03144:Kcnb2 APN 1 15,780,112 (GRCm39) missense probably damaging 1.00
F5770:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
PIT4131001:Kcnb2 UTSW 1 15,383,200 (GRCm39) missense possibly damaging 0.92
R0266:Kcnb2 UTSW 1 15,783,137 (GRCm39) unclassified probably benign
R0538:Kcnb2 UTSW 1 15,783,108 (GRCm39) unclassified probably benign
R0611:Kcnb2 UTSW 1 15,780,664 (GRCm39) missense probably benign 0.07
R1542:Kcnb2 UTSW 1 15,781,012 (GRCm39) missense probably benign 0.01
R1732:Kcnb2 UTSW 1 15,779,979 (GRCm39) missense probably benign 0.02
R1995:Kcnb2 UTSW 1 15,779,990 (GRCm39) missense possibly damaging 0.66
R2166:Kcnb2 UTSW 1 15,781,540 (GRCm39) missense possibly damaging 0.82
R2444:Kcnb2 UTSW 1 15,779,791 (GRCm39) missense probably benign
R3025:Kcnb2 UTSW 1 15,781,059 (GRCm39) missense possibly damaging 0.87
R3886:Kcnb2 UTSW 1 15,780,639 (GRCm39) missense probably damaging 1.00
R5010:Kcnb2 UTSW 1 15,383,186 (GRCm39) missense probably benign 0.09
R5039:Kcnb2 UTSW 1 15,779,724 (GRCm39) missense probably damaging 1.00
R5096:Kcnb2 UTSW 1 15,781,068 (GRCm39) missense probably benign 0.45
R5444:Kcnb2 UTSW 1 15,781,716 (GRCm39) missense probably benign
R5926:Kcnb2 UTSW 1 15,383,235 (GRCm39) missense probably benign 0.01
R6010:Kcnb2 UTSW 1 15,780,790 (GRCm39) missense possibly damaging 0.85
R6371:Kcnb2 UTSW 1 15,781,436 (GRCm39) missense probably benign
R6724:Kcnb2 UTSW 1 15,780,664 (GRCm39) missense probably damaging 1.00
R6981:Kcnb2 UTSW 1 15,780,480 (GRCm39) missense probably damaging 1.00
R7043:Kcnb2 UTSW 1 15,383,150 (GRCm39) missense probably benign
R7352:Kcnb2 UTSW 1 15,780,835 (GRCm39) missense probably benign
R7419:Kcnb2 UTSW 1 15,781,251 (GRCm39) missense possibly damaging 0.94
R7425:Kcnb2 UTSW 1 15,780,031 (GRCm39) missense probably damaging 1.00
R7606:Kcnb2 UTSW 1 15,383,064 (GRCm39) missense probably damaging 1.00
R7978:Kcnb2 UTSW 1 15,780,837 (GRCm39) missense probably benign 0.15
R7983:Kcnb2 UTSW 1 15,383,004 (GRCm39) missense probably damaging 0.98
R8115:Kcnb2 UTSW 1 15,781,851 (GRCm39) makesense probably null
R8408:Kcnb2 UTSW 1 15,781,777 (GRCm39) missense probably damaging 1.00
R8439:Kcnb2 UTSW 1 15,382,934 (GRCm39) missense probably damaging 1.00
R8726:Kcnb2 UTSW 1 15,780,876 (GRCm39) missense probably benign 0.00
R8738:Kcnb2 UTSW 1 15,780,648 (GRCm39) missense probably benign 0.07
R9274:Kcnb2 UTSW 1 15,781,723 (GRCm39) missense probably benign
R9321:Kcnb2 UTSW 1 15,779,793 (GRCm39) missense possibly damaging 0.46
R9563:Kcnb2 UTSW 1 15,779,737 (GRCm39) missense probably damaging 1.00
R9633:Kcnb2 UTSW 1 15,781,444 (GRCm39) missense probably benign
R9709:Kcnb2 UTSW 1 15,780,523 (GRCm39) missense probably benign 0.31
V7580:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
V7581:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
V7582:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
V7583:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
Z1088:Kcnb2 UTSW 1 15,781,252 (GRCm39) missense probably benign 0.01
Z1088:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.03
Z1177:Kcnb2 UTSW 1 15,781,182 (GRCm39) missense possibly damaging 0.93
Predicted Primers PCR Primer
(F):5'- GGATACTGAAACTCGCCAGAC -3'
(R):5'- AACGATGCTGCCATTTCTTTTGG -3'

Sequencing Primer
(F):5'- TCTGGGCTTCACACTCAGG -3'
(R):5'- ATAGCTTTCTCCTGGCGT -3'
Posted On 2020-06-30