Incidental Mutation 'R8726:Kcnb2'
ID 662396
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 068616-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8726 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 15357478-15793974 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 15780876 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Lysine at position 583 (Q583K)
Ref Sequence ENSEMBL: ENSMUSP00000126656 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000170146] [ENSMUST00000175681]
AlphaFold A6H8H5
Predicted Effect probably benign
Transcript: ENSMUST00000170146
AA Change: Q583K

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
Predicted Effect probably benign
Transcript: ENSMUST00000175681
AA Change: Q583K

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000135382
Gene: ENSMUSG00000092083
AA Change: Q583K

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 0.1040 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.6%
Validation Efficiency 100% (76/76)
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: 79 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2810408A11Rik A G 11: 69,789,207 (GRCm39) S331P possibly damaging Het
4930433I11Rik A G 7: 40,644,226 (GRCm39) M632V probably benign Het
9930111J21Rik2 A C 11: 48,910,507 (GRCm39) V642G probably damaging Het
Abcd4 A T 12: 84,651,171 (GRCm39) probably benign Het
Acsbg1 T C 9: 54,525,462 (GRCm39) E363G probably damaging Het
Ank3 T A 10: 69,823,084 (GRCm39) H584Q Het
Ankrd11 A T 8: 123,620,765 (GRCm39) L1029Q possibly damaging Het
Anpep C T 7: 79,490,641 (GRCm39) V292I probably benign Het
Atmin G A 8: 117,681,525 (GRCm39) D175N possibly damaging Het
B4galt6 T C 18: 20,821,450 (GRCm39) I359M possibly damaging Het
Bicd2 A G 13: 49,532,905 (GRCm39) D497G probably damaging Het
Calcr C T 6: 3,707,489 (GRCm39) probably benign Het
Camkk2 G T 5: 122,882,002 (GRCm39) D418E probably benign Het
Cntn3 A T 6: 102,146,014 (GRCm39) Y942* probably null Het
Col8a1 C T 16: 57,449,138 (GRCm39) R124H probably damaging Het
Coro7 T C 16: 4,486,619 (GRCm39) T185A possibly damaging Het
Creb3 C T 4: 43,566,747 (GRCm39) P364S probably benign Het
Csf1r A T 18: 61,250,728 (GRCm39) T480S probably benign Het
Csnk1g1 T A 9: 65,909,553 (GRCm39) H223Q probably damaging Het
Ctns C T 11: 73,078,613 (GRCm39) V171M probably benign Het
Dhx15 A T 5: 52,311,568 (GRCm39) N637K probably benign Het
Eif4g1 T C 16: 20,494,232 (GRCm39) Y103H probably damaging Het
Eif4g2 C T 7: 110,676,629 (GRCm39) R295H probably damaging Het
Fat1 C T 8: 45,477,206 (GRCm39) P2084L probably benign Het
Fat4 A G 3: 39,064,647 (GRCm39) R4868G probably damaging Het
Fbxo31 A T 8: 122,282,014 (GRCm39) Y295* probably null Het
Fmn2 C A 1: 174,437,404 (GRCm39) T1125N possibly damaging Het
Foxi2 C A 7: 135,012,133 (GRCm39) P7Q probably damaging Het
Hmx1 C T 5: 35,549,100 (GRCm39) P131L probably damaging Het
Hrh2 T C 13: 54,368,171 (GRCm39) L49P probably damaging Het
Hycc2 T C 1: 58,585,285 (GRCm39) T171A possibly damaging Het
Igkv6-14 A G 6: 70,412,125 (GRCm39) V53A possibly damaging Het
Kcns3 A G 12: 11,141,692 (GRCm39) S336P probably damaging Het
Kremen2 G T 17: 23,961,720 (GRCm39) F262L probably damaging Het
Krtap9-1 T A 11: 99,764,577 (GRCm39) C104* probably null Het
Ky A G 9: 102,405,102 (GRCm39) Y199C probably damaging Het
L1td1 T G 4: 98,622,215 (GRCm39) L259R probably damaging Het
Lrba A G 3: 86,261,062 (GRCm39) T1473A probably benign Het
Lrp6 A T 6: 134,484,624 (GRCm39) L333* probably null Het
Lrrc23 T C 6: 124,753,043 (GRCm39) N201S probably benign Het
Map4k4 C A 1: 40,043,142 (GRCm39) P666T possibly damaging Het
Matn1 T A 4: 130,679,514 (GRCm39) D389E probably damaging Het
Mdc1 G T 17: 36,158,475 (GRCm39) G285V probably benign Het
Mettl17 T C 14: 52,128,187 (GRCm39) probably null Het
Mknk1 A T 4: 115,730,506 (GRCm39) probably benign Het
Neurod1 A T 2: 79,284,430 (GRCm39) F318I possibly damaging Het
Nfya T C 17: 48,699,445 (GRCm39) T213A probably damaging Het
Nmrk1 C T 19: 18,616,902 (GRCm39) T17M probably damaging Het
Ntrk1 A C 3: 87,693,396 (GRCm39) D245E probably benign Het
Nup160 C A 2: 90,563,545 (GRCm39) H1370Q possibly damaging Het
Or11h6 A C 14: 50,880,703 (GRCm39) K316Q probably benign Het
Or5w8 T C 2: 87,688,161 (GRCm39) V214A probably benign Het
Or6x1 T A 9: 40,098,663 (GRCm39) V84E probably damaging Het
Parp4 G A 14: 56,866,556 (GRCm39) R1040H probably benign Het
Pdia4 C A 6: 47,785,200 (GRCm39) E56* probably null Het
Pdia5 A G 16: 35,269,784 (GRCm39) F175S probably damaging Het
Piezo2 C T 18: 63,242,956 (GRCm39) S621N probably benign Het
Pigw T C 11: 84,768,643 (GRCm39) T229A possibly damaging Het
Rasa3 T C 8: 13,626,381 (GRCm39) Y734C probably benign Het
Rfx7 T A 9: 72,500,505 (GRCm39) probably benign Het
Rims1 T C 1: 22,633,181 (GRCm39) D178G possibly damaging Het
Ros1 A G 10: 51,954,769 (GRCm39) V1853A possibly damaging Het
Rps7 A G 12: 28,681,714 (GRCm39) I139T probably benign Het
Sall3 T C 18: 81,029,708 (GRCm39) D15G possibly damaging Het
Scn1a A T 2: 66,133,983 (GRCm39) V137D probably benign Het
Slc23a3 G A 1: 75,106,173 (GRCm39) P349S probably benign Het
Slc35a5 C G 16: 44,964,021 (GRCm39) R404P probably damaging Het
Stard13 A T 5: 150,986,607 (GRCm39) M301K probably benign Het
Suclg2 A G 6: 95,632,489 (GRCm39) F60S probably damaging Het
Tecpr2 T A 12: 110,904,668 (GRCm39) F887L possibly damaging Het
Tekt4 G T 17: 25,691,033 (GRCm39) W113L probably damaging Het
Tep1 G A 14: 51,085,080 (GRCm39) S901F probably damaging Het
Tex11 C T X: 100,059,191 (GRCm39) V190I possibly damaging Het
Thbs1 T A 2: 117,949,957 (GRCm39) probably null Het
Tm9sf4 T A 2: 153,040,295 (GRCm39) V425D probably damaging Het
Tpo A G 12: 30,105,137 (GRCm39) L911P possibly damaging Het
Ttn T C 2: 76,729,301 (GRCm39) Q5332R unknown Het
Wdr59 A T 8: 112,223,466 (GRCm39) D169E Het
Zfp799 C A 17: 33,039,166 (GRCm39) G367C 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
R8156:Kcnb2 UTSW 1 15,780,280 (GRCm39) missense probably damaging 1.00
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
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'- ATGACTCCCACGAACATCTG -3'
(R):5'- TGTAAGGAATGGAGGTGCCC -3'

Sequencing Primer
(F):5'- GAACATCTGAACAATACTTCTTCCTC -3'
(R):5'- AATGGAGGTGCCCTGGCTC -3'
Posted On 2021-03-08