Incidental Mutation 'R9321:Kcnb2'
ID 706179
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 # R9321 (G1)
Quality Score 225.009
Status Not validated
Chromosome 1
Chromosomal Location 15357478-15793974 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 15779793 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Asparagine at position 222 (D222N)
Ref Sequence ENSEMBL: ENSMUSP00000126656 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000170146] [ENSMUST00000175681]
AlphaFold A6H8H5
Predicted Effect possibly damaging
Transcript: ENSMUST00000170146
AA Change: D222N

PolyPhen 2 Score 0.461 (Sensitivity: 0.89; Specificity: 0.90)
Predicted Effect possibly damaging
Transcript: ENSMUST00000175681
AA Change: D222N

PolyPhen 2 Score 0.461 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000135382
Gene: ENSMUSG00000092083
AA Change: D222N

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: 99.7%
  • 20x: 99.1%
Validation Efficiency
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 A G 11: 9,460,475 (GRCm39) S4162G probably benign Het
Acvr2b T C 9: 119,257,351 (GRCm39) I152T probably benign Het
Adam15 T A 3: 89,254,794 (GRCm39) probably null Het
Adam34 C T 8: 44,105,243 (GRCm39) G134D probably damaging Het
Aifm2 C T 10: 61,571,410 (GRCm39) Q315* probably null Het
Akap10 A G 11: 61,791,235 (GRCm39) F408S probably damaging Het
Ap3b2 T C 7: 81,114,252 (GRCm39) probably null Het
Btbd2 A C 10: 80,483,675 (GRCm39) V181G probably damaging Het
Carmil3 G T 14: 55,741,425 (GRCm39) G1070V Het
Ceacam2 G T 7: 25,230,089 (GRCm39) D172E possibly damaging Het
Crtc3 G A 7: 80,259,650 (GRCm39) A203V probably benign Het
Dclre1a A G 19: 56,531,100 (GRCm39) S749P probably damaging Het
Dnah2 C T 11: 69,338,939 (GRCm39) probably null Het
Eif2ak4 G A 2: 118,292,798 (GRCm39) V1341M possibly damaging Het
Enpp5 T C 17: 44,393,689 (GRCm39) V295A possibly damaging Het
Gm1110 T A 9: 26,831,891 (GRCm39) M87L probably benign Het
Gm57858 A T 3: 36,073,139 (GRCm39) V381E probably damaging Het
H2-Ab1 T C 17: 34,486,969 (GRCm39) L241P probably damaging Het
Hmx2 A G 7: 131,157,320 (GRCm39) T145A probably benign Het
Irag1 A G 7: 110,524,534 (GRCm39) S138P probably benign Het
Itpripl1 T C 2: 126,984,000 (GRCm39) S41G probably benign Het
Ldb3 C A 14: 34,266,099 (GRCm39) G499* probably null Het
Lig1 T C 7: 13,034,935 (GRCm39) F577S probably damaging Het
Lnx1 T C 5: 74,780,991 (GRCm39) I177V probably damaging Het
Mark4 G T 7: 19,170,901 (GRCm39) T323K probably benign Het
Mroh5 A G 15: 73,661,113 (GRCm39) V301A probably benign Het
Mtx3 T A 13: 92,984,097 (GRCm39) W125R probably damaging Het
Myo18a G A 11: 77,733,370 (GRCm39) G1404R probably damaging Het
Myom2 C T 8: 15,172,464 (GRCm39) P1188S possibly damaging Het
Nars1 C T 18: 64,637,950 (GRCm39) E335K probably damaging Het
Nfya A T 17: 48,707,494 (GRCm39) V16E unknown Het
Nicn1 C T 9: 108,171,708 (GRCm39) R163C possibly damaging Het
Nlrp4e C G 7: 23,020,755 (GRCm39) A414G probably benign Het
Nme5 T G 18: 34,704,597 (GRCm39) I83L probably benign Het
Nos1 G C 5: 118,017,402 (GRCm39) R255P probably benign Het
Nptx1 A G 11: 119,438,378 (GRCm39) L13P unknown Het
Or11g27 G A 14: 50,771,471 (GRCm39) V201I probably benign Het
Or13c25 G T 4: 52,911,314 (GRCm39) T160N probably damaging Het
Or13m2-ps1 T A 6: 42,777,792 (GRCm39) V39D possibly damaging Het
Or4k44 A G 2: 111,368,434 (GRCm39) S67P probably damaging Het
Or5j3 A T 2: 86,128,297 (GRCm39) I46F probably benign Het
Or6d13 T C 6: 116,518,370 (GRCm39) Y319H probably benign Het
Pdzd2 T C 15: 12,386,023 (GRCm39) T916A probably benign Het
Plekha6 A G 1: 133,209,549 (GRCm39) N615S probably damaging Het
Prorp A G 12: 55,351,434 (GRCm39) I248V possibly damaging Het
Rad52 T C 6: 119,889,969 (GRCm39) Y32H probably damaging Het
Slc22a16 T A 10: 40,450,047 (GRCm39) I161N probably damaging Het
Slx4 A G 16: 3,804,654 (GRCm39) M720T probably benign Het
Spem1 T C 11: 69,712,661 (GRCm39) H58R probably benign Het
Spg7 C A 8: 123,803,688 (GRCm39) D239E probably benign Het
Tas2r123 A T 6: 132,825,095 (GRCm39) M331L probably benign Het
Tcaf1 T C 6: 42,656,290 (GRCm39) T229A probably benign Het
Tdrd1 T C 19: 56,848,767 (GRCm39) L939P probably damaging Het
Timd2 T C 11: 46,577,916 (GRCm39) T72A probably benign Het
Tmem179 G T 12: 112,477,390 (GRCm39) N31K probably damaging Het
Tpd52l1 T C 10: 31,214,189 (GRCm39) S165G Het
Tubgcp6 T C 15: 88,992,186 (GRCm39) T600A probably damaging Het
Txlna T A 4: 129,528,246 (GRCm39) E230D probably damaging Het
Ush2a A T 1: 188,089,148 (GRCm39) I368F probably damaging Het
Vmn1r76 A T 7: 11,665,094 (GRCm39) M40K possibly damaging Het
Zfp592 C T 7: 80,691,226 (GRCm39) S1135L possibly damaging Het
Zfp606 A G 7: 12,226,610 (GRCm39) T244A possibly 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
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
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'- GCGTGTTCTCTATCATTCAAAGAAC -3'
(R):5'- ATTCTGGAACTGCAGCACAC -3'

Sequencing Primer
(F):5'- CCACCAAAGCATGTGTGGTTG -3'
(R):5'- GGAACTGCAGCACACTTTTG -3'
Posted On 2022-04-18