Incidental Mutation 'R9274:Kcnb2'
ID 703129
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
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9274 (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 G at 15781723 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Arginine at position 865 (Q865R)
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: Q865R

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
Predicted Effect probably benign
Transcript: ENSMUST00000175681
AA Change: Q865R

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000135382
Gene: ENSMUSG00000092083
AA Change: Q865R

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 100% (65/65)
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: 68 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actc1 A T 2: 113,879,752 (GRCm39) S236T probably benign Het
Adam30 A G 3: 98,069,267 (GRCm39) T239A probably benign Het
Aoc1l2 T C 6: 48,907,341 (GRCm39) F114L possibly damaging Het
Ascl2 G A 7: 142,521,753 (GRCm39) R232C probably damaging Het
Atp10a C A 7: 58,478,369 (GRCm39) Q1471K probably benign Het
Avl9 T A 6: 56,720,346 (GRCm39) D461E probably damaging Het
Baiap3 T A 17: 25,463,354 (GRCm39) Y983F probably damaging Het
C1rl A G 6: 124,485,483 (GRCm39) S285G probably benign Het
Cacna1i G A 15: 80,254,354 (GRCm39) V772M probably damaging Het
Ccser2 T A 14: 36,660,737 (GRCm39) D472V possibly damaging Het
Cd244a T G 1: 171,401,928 (GRCm39) V218G probably benign Het
Cdhr1 T C 14: 36,802,564 (GRCm39) K633R probably benign Het
Col14a1 A G 15: 55,381,671 (GRCm39) Q1748R probably damaging Het
Col6a3 T A 1: 90,707,020 (GRCm39) Y2638F unknown Het
Crnkl1 A T 2: 145,765,836 (GRCm39) F411L probably damaging Het
Crp T A 1: 172,526,072 (GRCm39) F52L possibly damaging Het
Dnah12 A G 14: 26,537,374 (GRCm39) N2208D probably benign Het
Exd2 T C 12: 80,539,674 (GRCm39) probably null Het
F13a1 A T 13: 37,052,761 (GRCm39) I726N probably damaging Het
Fmo6 G A 1: 162,747,921 (GRCm39) T381I probably benign Het
Gdpd5 T C 7: 99,107,989 (GRCm39) L522P probably damaging Het
Gm12790 T A 4: 101,824,743 (GRCm39) D175V possibly damaging Het
Gm3543 T C 14: 41,802,125 (GRCm39) R120G probably damaging Het
Gpatch2 T A 1: 186,963,029 (GRCm39) D273E probably damaging Het
Hlcs A G 16: 94,088,785 (GRCm39) S66P possibly damaging Het
Hmcn1 T C 1: 150,506,046 (GRCm39) T3827A probably benign Het
Ism2 G A 12: 87,331,827 (GRCm39) Q237* probably null Het
Jph2 G A 2: 163,239,547 (GRCm39) probably benign Het
Kcnh6 C G 11: 105,924,860 (GRCm39) H941Q possibly damaging Het
Kcnk9 A G 15: 72,384,224 (GRCm39) V318A unknown Het
Lemd3 G A 10: 120,814,717 (GRCm39) A172V possibly damaging Het
Lifr G T 15: 7,217,591 (GRCm39) A840S probably damaging Het
Lnpep T C 17: 17,758,837 (GRCm39) T836A probably benign Het
Mapk13 A G 17: 28,988,490 (GRCm39) Y36C probably damaging Het
Mdm2 G A 10: 117,541,081 (GRCm39) probably benign Het
Msmb T C 14: 31,870,130 (GRCm39) M34T probably benign Het
Myo5a A G 9: 75,097,279 (GRCm39) N1319S possibly damaging Het
Myot T A 18: 44,479,265 (GRCm39) V334E probably damaging Het
Nalcn A G 14: 123,753,068 (GRCm39) I306T probably damaging Het
Nicn1 C T 9: 108,171,708 (GRCm39) R163C possibly damaging Het
Nphp4 T C 4: 152,640,056 (GRCm39) Y981H probably benign Het
Nphs2 G A 1: 156,144,416 (GRCm39) R140Q probably damaging Het
Nsa2 C T 13: 97,272,170 (GRCm39) R17H probably benign Het
Nup98 C A 7: 101,788,037 (GRCm39) R1011L probably benign Het
Obox6 T C 7: 15,567,766 (GRCm39) H227R possibly damaging Het
Or10ak14 G A 4: 118,610,883 (GRCm39) A286V probably benign Het
Or1j14 T C 2: 36,417,559 (GRCm39) I45T probably damaging Het
Or4c1 A C 2: 89,133,513 (GRCm39) L141R probably damaging Het
P2rx2 C T 5: 110,489,709 (GRCm39) G202D probably damaging Het
Pcdh12 A G 18: 38,415,950 (GRCm39) W392R probably damaging Het
Plxna2 G A 1: 194,471,136 (GRCm39) G969D probably damaging Het
Prg4 T C 1: 150,331,924 (GRCm39) T250A possibly damaging Het
Rad54l G T 4: 115,967,667 (GRCm39) P205Q probably damaging Het
Ralgapb A G 2: 158,278,539 (GRCm39) I334M probably damaging Het
Ric3 C T 7: 108,647,212 (GRCm39) D204N probably damaging Het
Rnf10 A T 5: 115,385,322 (GRCm39) Y557* probably null Het
Ruvbl1 A G 6: 88,474,334 (GRCm39) I446V probably benign Het
Serinc3 A T 2: 163,468,371 (GRCm39) V361D probably damaging Het
Slc4a1 C A 11: 102,242,047 (GRCm39) V864L probably benign Het
Slf1 C A 13: 77,191,669 (GRCm39) *1055L probably null Het
Stk25 T C 1: 93,552,806 (GRCm39) S328G probably benign Het
Stpg1 T C 4: 135,252,782 (GRCm39) F178L possibly damaging Het
Tmem25 C T 9: 44,706,336 (GRCm39) R345H probably benign Het
Tssk1 A T 16: 17,712,724 (GRCm39) I170L probably benign Het
Tubg1 A G 11: 101,017,241 (GRCm39) probably benign Het
Uchl3 A G 14: 101,903,240 (GRCm39) D33G probably damaging Het
Vmn1r152 A T 7: 22,223,056 (GRCm39) H222L probably benign Het
Zfp975 C T 7: 42,312,299 (GRCm39) V105I probably benign 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
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
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'- TGTCAGGGACCATCCAAAGG -3'
(R):5'- AGTTCACGGCATTATTAATCGC -3'

Sequencing Primer
(F):5'- GGGACCATCCAAAGGTTTCTC -3'
(R):5'- ACGGCATTATTAATCGCATTTTTAAG -3'
Posted On 2022-03-25