Incidental Mutation 'R6981:Kcnb2'
ID 542644
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 045089-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6981 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 15357478-15793974 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 15780480 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 451 (S451P)
Ref Sequence ENSEMBL: ENSMUSP00000135382 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000170146] [ENSMUST00000175681]
AlphaFold A6H8H5
Predicted Effect probably damaging
Transcript: ENSMUST00000170146
AA Change: S451P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Predicted Effect probably damaging
Transcript: ENSMUST00000175681
AA Change: S451P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000135382
Gene: ENSMUSG00000092083
AA Change: S451P

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: 99.9%
  • 10x: 99.4%
  • 20x: 97.7%
Validation Efficiency 99% (68/69)
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: 67 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930438A08Rik G A 11: 58,184,544 (GRCm39) probably benign Het
5031439G07Rik A C 15: 84,833,798 (GRCm39) Y419* probably null Het
Abca2 T A 2: 25,334,151 (GRCm39) F1809L probably damaging Het
Ache C T 5: 137,289,940 (GRCm39) T423I probably benign Het
Acvrl1 A G 15: 101,036,226 (GRCm39) T395A probably damaging Het
Ap3b2 A G 7: 81,127,741 (GRCm39) I145T probably damaging Het
Arhgef4 A C 1: 34,761,533 (GRCm39) Q263P unknown Het
Asgr2 C T 11: 69,987,636 (GRCm39) L45F probably damaging Het
Baiap2l1 T A 5: 144,222,389 (GRCm39) Y122F possibly damaging Het
C1ra G A 6: 124,494,684 (GRCm39) E316K probably benign Het
Car8 A T 4: 8,185,650 (GRCm39) probably null Het
Carns1 T C 19: 4,220,081 (GRCm39) T385A probably benign Het
Ccdc47 T C 11: 106,093,563 (GRCm39) T41A probably benign Het
Ccne1 A T 7: 37,797,998 (GRCm39) probably benign Het
Cdh4 C T 2: 179,439,297 (GRCm39) T148I probably benign Het
Cep85 C T 4: 133,879,572 (GRCm39) R392Q probably damaging Het
Ces1h T C 8: 94,080,123 (GRCm39) T464A unknown Het
Cfl1 T A 19: 5,542,644 (GRCm39) S41R possibly damaging Het
Crnn T C 3: 93,055,442 (GRCm39) V76A probably damaging Het
Cspg4 A G 9: 56,794,385 (GRCm39) T707A probably benign Het
Dgkh A T 14: 78,865,182 (GRCm39) C53* probably null Het
Dhx34 G T 7: 15,949,255 (GRCm39) A391E possibly damaging Het
Dlx1 C A 2: 71,362,697 (GRCm39) N201K probably benign Het
Dnah6 T C 6: 72,998,161 (GRCm39) E4087G probably benign Het
Dock6 T C 9: 21,756,846 (GRCm39) Y134C probably damaging Het
Duox2 A G 2: 122,121,708 (GRCm39) V662A possibly damaging Het
Dusp12 A G 1: 170,708,530 (GRCm39) F12L probably damaging Het
Eppk1 T C 15: 75,995,237 (GRCm39) E548G probably benign Het
Foxj2 A G 6: 122,819,798 (GRCm39) D562G probably benign Het
Foxj2 A G 6: 122,805,403 (GRCm39) I92V probably damaging Het
Gm17728 A G 17: 9,640,991 (GRCm39) R34G probably damaging Het
Gpc6 T C 14: 117,861,960 (GRCm39) I292T probably damaging Het
Gpr15 T A 16: 58,538,548 (GRCm39) K180N probably benign Het
Gtf2ird1 G T 5: 134,412,776 (GRCm39) probably benign Het
H2ac12 A G 13: 22,219,719 (GRCm39) S2P probably benign Het
Hps3 T A 3: 20,076,984 (GRCm39) T393S probably damaging Het
Hspa1a A T 17: 35,189,267 (GRCm39) probably null Het
Hydin A G 8: 111,257,704 (GRCm39) E2378G possibly damaging Het
Ighv1-18 A G 12: 114,646,298 (GRCm39) L102P probably damaging Het
Itga5 T A 15: 103,258,653 (GRCm39) N814I probably benign Het
Klhl32 T G 4: 24,709,030 (GRCm39) I112L probably damaging Het
Knstrn T G 2: 118,664,575 (GRCm39) I47R possibly damaging Het
Med23 T A 10: 24,771,722 (GRCm39) S581T possibly damaging Het
Mgat5 C T 1: 127,318,588 (GRCm39) T361I probably damaging Het
Nipal3 A G 4: 135,206,858 (GRCm39) V112A probably damaging Het
Or10a5 T A 7: 106,635,956 (GRCm39) V198D possibly damaging Het
Or2b2 A G 13: 21,887,243 (GRCm39) E24G probably benign Het
Or4k41 T C 2: 111,279,697 (GRCm39) F71L probably benign Het
Or5g27 A G 2: 85,409,825 (GRCm39) M81V probably benign Het
Paxip1 G A 5: 27,970,766 (GRCm39) Q528* probably null Het
Proser2 T C 2: 6,118,801 (GRCm39) D14G probably damaging Het
Rp1 T G 1: 4,415,878 (GRCm39) I1745L probably benign Het
Rxfp2 G T 5: 149,972,313 (GRCm39) probably null Het
Slc45a1 T C 4: 150,723,051 (GRCm39) S278G possibly damaging Het
Smurf1 A G 5: 144,823,179 (GRCm39) I455T possibly damaging Het
Speg T C 1: 75,407,557 (GRCm39) L3188P probably damaging Het
Tcaf3 G T 6: 42,574,059 (GRCm39) A51D probably damaging Het
Tecrl T C 5: 83,502,768 (GRCm39) N12S possibly damaging Het
Tmem17 T A 11: 22,468,508 (GRCm39) I149N possibly damaging Het
Tmem171 A G 13: 98,828,976 (GRCm39) V58A possibly damaging Het
Ttn A G 2: 76,691,521 (GRCm39) probably benign Het
Ubqln5 A G 7: 103,777,808 (GRCm39) S339P probably benign Het
Vmn1r16 T A 6: 57,300,473 (GRCm39) I50L probably benign Het
Vmn2r103 A T 17: 20,013,739 (GRCm39) Y177F probably benign Het
Zfp28 C A 7: 6,397,692 (GRCm39) T709K probably damaging Het
Zfp958 A G 8: 4,676,170 (GRCm39) N46S probably benign Het
Zyx T A 6: 42,327,291 (GRCm39) V30E unknown 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
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'- TGGGCTACGGTGACATTTACC -3'
(R):5'- ACCTCCTGGTACTTATTCTCGTAAG -3'

Sequencing Primer
(F):5'- GGCTACGGTGACATTTACCCTAAAAC -3'
(R):5'- AAGATTTGTTGGAGCTCGTTTCTGAC -3'
Posted On 2018-11-28