Incidental Mutation 'R1732:Kcnb2'
ID 199356
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 039764-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1732 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 15357478-15793974 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 15779979 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 284 (T284S)
Ref Sequence ENSEMBL: ENSMUSP00000135382 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000170146] [ENSMUST00000175681]
AlphaFold A6H8H5
Predicted Effect probably benign
Transcript: ENSMUST00000170146
AA Change: T284S

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
Predicted Effect probably benign
Transcript: ENSMUST00000175681
AA Change: T284S

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000135382
Gene: ENSMUSG00000092083
AA Change: T284S

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 0.0841 question?
Coding Region Coverage
  • 1x: 97.4%
  • 3x: 96.8%
  • 10x: 95.1%
  • 20x: 91.6%
Validation Efficiency 99% (78/79)
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: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik C A 12: 71,265,995 (GRCm39) Q1445K probably benign Het
Acacb A T 5: 114,328,148 (GRCm39) M303L possibly damaging Het
Actl9 T C 17: 33,652,096 (GRCm39) V52A probably damaging Het
Adam7 T C 14: 68,735,899 (GRCm39) T781A probably benign Het
Agpat4 T C 17: 12,435,615 (GRCm39) V293A probably benign Het
Ank1 T A 8: 23,601,479 (GRCm39) probably benign Het
Atp1a1 C A 3: 101,492,115 (GRCm39) G587V probably damaging Het
Avpr1b T C 1: 131,527,992 (GRCm39) F172L probably damaging Het
Bmp1 A T 14: 70,723,705 (GRCm39) D710E possibly damaging Het
Cep126 A T 9: 8,099,762 (GRCm39) I924N probably benign Het
Chek2 G T 5: 111,019,968 (GRCm39) A517S probably benign Het
Cmbl A T 15: 31,588,378 (GRCm39) E165D probably damaging Het
Cntnap3 A T 13: 64,888,626 (GRCm39) probably null Het
Col1a1 A T 11: 94,835,241 (GRCm39) probably benign Het
Ctbp2 T C 7: 132,600,653 (GRCm39) M624V possibly damaging Het
Cwc15 A G 9: 14,421,543 (GRCm39) D203G probably benign Het
Cyld C T 8: 89,458,295 (GRCm39) probably benign Het
Cyp3a57 A T 5: 145,302,455 (GRCm39) I84F probably damaging Het
Dennd3 T A 15: 73,409,267 (GRCm39) probably benign Het
Desi2 A C 1: 178,084,217 (GRCm39) probably benign Het
Dmxl1 T A 18: 50,026,511 (GRCm39) L1873* probably null Het
Dmxl1 T A 18: 50,036,055 (GRCm39) H2359Q probably benign Het
Ephb4 A G 5: 137,370,440 (GRCm39) N880S possibly damaging Het
F10 T C 8: 13,100,764 (GRCm39) L214P probably damaging Het
F5 G A 1: 164,001,719 (GRCm39) V141M probably damaging Het
Fam135a A T 1: 24,065,734 (GRCm39) S1022T possibly damaging Het
Fam13b A T 18: 34,620,187 (GRCm39) N232K probably benign Het
Fyco1 T C 9: 123,648,157 (GRCm39) E1259G probably benign Het
Gak A T 5: 108,724,448 (GRCm39) D1087E probably benign Het
Gm7138 A T 10: 77,612,682 (GRCm39) probably benign Het
Gm8674 T A 13: 50,055,962 (GRCm39) noncoding transcript Het
Gpr25 A G 1: 136,187,866 (GRCm39) V249A probably benign Het
Hcn3 T C 3: 89,055,426 (GRCm39) H607R probably damaging Het
Hdac4 T A 1: 91,875,257 (GRCm39) T905S probably benign Het
Itgad T C 7: 127,804,279 (GRCm39) S86P probably benign Het
Itgb4 G T 11: 115,879,744 (GRCm39) R632L probably damaging Het
Klhl22 T A 16: 17,594,888 (GRCm39) M339K probably damaging Het
Lonrf2 G A 1: 38,852,357 (GRCm39) P165S probably benign Het
Mybpc2 C A 7: 44,163,099 (GRCm39) V484L probably benign Het
Noa1 A T 5: 77,454,221 (GRCm39) V473E probably benign Het
Nwd1 C G 8: 73,393,463 (GRCm39) S242C possibly damaging Het
Or55b10 C A 7: 102,143,247 (GRCm39) C245F probably damaging Het
Or7e174 A G 9: 20,012,796 (GRCm39) H247R probably damaging Het
Otof A T 5: 30,543,815 (GRCm39) W535R probably damaging Het
Peg3 T C 7: 6,712,084 (GRCm39) E1046G possibly damaging Het
Phldb2 T C 16: 45,577,529 (GRCm39) E1132G probably damaging Het
Phtf2 A T 5: 20,994,625 (GRCm39) probably null Het
Plce1 G T 19: 38,705,282 (GRCm39) A896S possibly damaging Het
Prim1 T C 10: 127,851,193 (GRCm39) Y26H probably damaging Het
Prr12 T A 7: 44,697,780 (GRCm39) T712S unknown Het
Psme4 G A 11: 30,798,105 (GRCm39) R1366H probably benign Het
Ptpdc1 T C 13: 48,740,021 (GRCm39) E409G probably benign Het
Rabep1 A G 11: 70,795,467 (GRCm39) N274S probably damaging Het
Rbm14 A G 19: 4,853,495 (GRCm39) S296P probably benign Het
Rec114 A G 9: 58,560,389 (GRCm39) S206P probably damaging Het
Rps6ka1 A T 4: 133,587,381 (GRCm39) Y531N probably damaging Het
Slc28a2 T C 2: 122,280,239 (GRCm39) probably benign Het
Slc34a1 A G 13: 55,561,233 (GRCm39) H566R probably benign Het
Slc9c1 A G 16: 45,373,291 (GRCm39) T290A probably benign Het
Smarcc1 T A 9: 110,014,888 (GRCm39) probably benign Het
Srp54b T A 12: 55,299,544 (GRCm39) probably null Het
Stambpl1 C G 19: 34,204,121 (GRCm39) N70K probably damaging Het
Synj1 T C 16: 90,761,118 (GRCm39) K710E probably damaging Het
Tenm3 T A 8: 48,763,669 (GRCm39) D795V probably damaging Het
Tgm2 T C 2: 157,976,277 (GRCm39) Y149C probably damaging Het
Tmem151a C A 19: 5,132,895 (GRCm39) A104S probably damaging Het
Top1mt A G 15: 75,538,100 (GRCm39) probably null Het
Tpgs1 T A 10: 79,511,428 (GRCm39) L190Q possibly damaging Het
Triobp T A 15: 78,851,428 (GRCm39) H527Q possibly damaging Het
Tspan2 A G 3: 102,676,193 (GRCm39) I197V probably damaging Het
Ube3b A G 5: 114,525,506 (GRCm39) I76V probably benign Het
Vmn1r32 A T 6: 66,530,285 (GRCm39) S164T probably benign Het
Zfp607a G T 7: 27,577,884 (GRCm39) C318F 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
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
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'- TGACAACCGGAAGTTGGCACAC -3'
(R):5'- GCCCACCAAAATGATGCAGGGATAC -3'

Sequencing Primer
(F):5'- TTGGCACACGTAGAGGCTG -3'
(R):5'- ATACTGGTGAATTTGGTAGCATCTTC -3'
Posted On 2014-05-23