Incidental Mutation 'R7753:Kcnab2'
ID 597356
Institutional Source Beutler Lab
Gene Symbol Kcnab2
Ensembl Gene ENSMUSG00000028931
Gene Name potassium voltage-gated channel, shaker-related subfamily, beta member 2
Synonyms F5, I2rf5, Kcnb3, I2rf5
MMRRC Submission 045809-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.103) question?
Stock # R7753 (G1)
Quality Score 225.009
Status Not validated
Chromosome 4
Chromosomal Location 152475201-152562006 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 152481218 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 181 (I181V)
Ref Sequence ENSEMBL: ENSMUSP00000124156 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030768] [ENSMUST00000105648] [ENSMUST00000159186] [ENSMUST00000159840] [ENSMUST00000160884]
AlphaFold P62482
Predicted Effect probably benign
Transcript: ENSMUST00000030768
AA Change: I181V

PolyPhen 2 Score 0.110 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000030768
Gene: ENSMUSG00000028931
AA Change: I181V

DomainStartEndE-ValueType
Pfam:Aldo_ket_red 37 342 1.6e-76 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000105648
AA Change: I195V

PolyPhen 2 Score 0.050 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000101273
Gene: ENSMUSG00000028931
AA Change: I195V

DomainStartEndE-ValueType
Pfam:Aldo_ket_red 51 356 7e-77 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000159186
AA Change: I210V

PolyPhen 2 Score 0.162 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000124588
Gene: ENSMUSG00000028931
AA Change: I210V

DomainStartEndE-ValueType
Pfam:Aldo_ket_red 51 371 4.3e-74 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000159840
AA Change: I181V

PolyPhen 2 Score 0.110 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000124156
Gene: ENSMUSG00000028931
AA Change: I181V

DomainStartEndE-ValueType
Pfam:Aldo_ket_red 37 342 1.6e-76 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000160884
AA Change: I195V

PolyPhen 2 Score 0.050 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000125058
Gene: ENSMUSG00000028931
AA Change: I195V

DomainStartEndE-ValueType
Pfam:Aldo_ket_red 51 356 7e-77 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.2%
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, shaker-related subfamily. This member is one of the beta subunits, which are auxiliary proteins associating with functional Kv-alpha subunits. This member alters functional properties of the KCNA4 gene product. Alternative splicing of this gene results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Dec 2010]
PHENOTYPE: Homozygous null mice show strain-specific changes in survival, body weight, thermoregulation and cold-swim induced tremors, impaired associative learning and memory, sporadic seizures and amygala hyperexcitability. Mice homozygous for a knock-in mutationshow no deficits in associative learning. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca6 T C 11: 110,074,933 (GRCm39) T1377A probably damaging Het
AI661453 G T 17: 47,778,439 (GRCm39) E722* probably null Het
Ap2b1 A T 11: 83,258,733 (GRCm39) K735* probably null Het
Aqp4 T C 18: 15,533,033 (GRCm39) E20G probably benign Het
Atp6v1b1 G T 6: 83,729,440 (GRCm39) V117L probably benign Het
C1rb A G 6: 124,557,390 (GRCm39) N509S probably benign Het
Cep44 A G 8: 56,985,842 (GRCm39) V350A probably benign Het
Cmya5 T C 13: 93,234,680 (GRCm39) Q136R probably benign Het
Cntrl T C 2: 35,001,691 (GRCm39) S32P probably damaging Het
Cyp2d12 A T 15: 82,441,164 (GRCm39) E201V possibly damaging Het
Cyp4a14 G T 4: 115,350,861 (GRCm39) Q138K probably damaging Het
Dapk1 T C 13: 60,899,007 (GRCm39) Y826H possibly damaging Het
Dbh A G 2: 27,061,448 (GRCm39) D294G probably benign Het
Ddx10 A T 9: 53,136,904 (GRCm39) L336Q probably damaging Het
Dop1a A G 9: 86,371,755 (GRCm39) T149A possibly damaging Het
Epg5 A G 18: 77,991,560 (GRCm39) T86A possibly damaging Het
Fam171a1 A T 2: 3,179,354 (GRCm39) Q60L probably damaging Het
Farsb T A 1: 78,456,740 (GRCm39) E41D probably benign Het
Frem1 T C 4: 82,832,217 (GRCm39) D1956G probably benign Het
Fzd4 T A 7: 89,056,992 (GRCm39) Y346* probably null Het
Fzd7 A T 1: 59,522,641 (GRCm39) S175C probably benign Het
Gdi2 A G 13: 3,598,956 (GRCm39) T47A probably benign Het
Gpr155 A T 2: 73,212,550 (GRCm39) H24Q probably benign Het
Hdac7 A T 15: 97,698,642 (GRCm39) N638K possibly damaging Het
Hdac7 G T 15: 97,704,369 (GRCm39) N515K probably benign Het
Hnrnpul2 T C 19: 8,802,336 (GRCm39) V401A probably damaging Het
Ifi27l2b T A 12: 103,417,519 (GRCm39) R223* probably null Het
Igkv4-91 T G 6: 68,745,761 (GRCm39) S46R probably benign Het
Itk T A 11: 46,222,722 (GRCm39) L582F probably damaging Het
Krtap5-2 GCCACAGCCTCCACAGGAGCCACAGCCTCCCTTGCAGCCCCCACAGGAACCACAGCCTCC GCCACAGCCTCC 7: 141,729,136 (GRCm39) probably benign Het
Lce1m C A 3: 92,925,815 (GRCm39) G41W unknown Het
Mapk10 T A 5: 103,186,419 (GRCm39) K98* probably null Het
Mapk8ip2 A G 15: 89,345,856 (GRCm39) E812G probably damaging Het
Mlh1 C A 9: 111,081,931 (GRCm39) probably null Het
Mroh1 A G 15: 76,317,475 (GRCm39) D784G possibly damaging Het
Neo1 A T 9: 58,863,288 (GRCm39) D426E probably benign Het
Nol4 T A 18: 23,171,659 (GRCm39) M1L probably benign Het
Nr1h3 A G 2: 91,015,370 (GRCm39) F338S probably damaging Het
Oasl2 A G 5: 115,043,118 (GRCm39) K297E probably benign Het
Or10ag59 A G 2: 87,406,141 (GRCm39) T238A probably benign Het
Or10z1 C T 1: 174,078,236 (GRCm39) V86I probably benign Het
Or4f14 A G 2: 111,742,927 (GRCm39) I116T probably benign Het
Or56a5 T C 7: 104,793,007 (GRCm39) I164M probably benign Het
Or5m5 A G 2: 85,815,060 (GRCm39) N292S possibly damaging Het
Osbpl9 T C 4: 108,990,970 (GRCm39) T97A possibly damaging Het
P3h2 A T 16: 25,789,687 (GRCm39) Y527N probably damaging Het
Papss2 A T 19: 32,597,579 (GRCm39) H9L probably benign Het
Pcdha4 C A 18: 37,086,354 (GRCm39) S179Y possibly damaging Het
Ppt1 A T 4: 122,730,131 (GRCm39) D28V possibly damaging Het
Prkcz T A 4: 155,357,425 (GRCm39) Q345L possibly damaging Het
Prr14l G T 5: 32,984,597 (GRCm39) L1633I probably damaging Het
Prss51 T A 14: 64,333,376 (GRCm39) V13D possibly damaging Het
Qrich2 TTGCAACACACCAGGCTGAACTGGACCTTGCTG TTG 11: 116,347,868 (GRCm39) probably benign Het
Rictor C T 15: 6,801,635 (GRCm39) S441L probably benign Het
Slc2a7 T C 4: 150,239,141 (GRCm39) I122T possibly damaging Het
Spata31e4 A T 13: 50,855,817 (GRCm39) D485V probably damaging Het
Sprr3 G A 3: 92,364,415 (GRCm39) P143L probably benign Het
Sugct A T 13: 17,752,104 (GRCm39) S181T possibly damaging Het
Syne2 G A 12: 76,085,697 (GRCm39) R141Q probably benign Het
Taok1 T C 11: 77,428,725 (GRCm39) I992V probably benign Het
Tbc1d21 A C 9: 58,269,306 (GRCm39) probably null Het
Thada T C 17: 84,559,818 (GRCm39) D1453G probably damaging Het
Thoc5 T C 11: 4,852,156 (GRCm39) L104S probably damaging Het
Tln2 T G 9: 67,302,755 (GRCm39) Y72S probably damaging Het
Tmem98 A G 11: 80,705,137 (GRCm39) E75G probably damaging Het
Tox3 A G 8: 90,975,560 (GRCm39) L357P probably damaging Het
Ubr4 T C 4: 139,197,603 (GRCm39) V4492A unknown Het
Ulk4 A G 9: 121,095,578 (GRCm39) probably null Het
Ush2a A G 1: 188,175,603 (GRCm39) T1234A probably benign Het
Usp53 G A 3: 122,742,887 (GRCm39) T683I probably damaging Het
Vcan T A 13: 89,837,442 (GRCm39) I2701F probably damaging Het
Vmn2r72 G A 7: 85,399,834 (GRCm39) A405V probably damaging Het
Vmn2r96 A T 17: 18,806,663 (GRCm39) T537S possibly damaging Het
Vstm2a G T 11: 16,213,040 (GRCm39) A142S probably damaging Het
Zbtb41 A G 1: 139,374,895 (GRCm39) D785G probably benign Het
Zfp397 A T 18: 24,090,129 (GRCm39) Q144H probably benign Het
Zfp518a A T 19: 40,904,249 (GRCm39) T1393S possibly damaging Het
Other mutations in Kcnab2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01392:Kcnab2 APN 4 152,478,254 (GRCm39) missense possibly damaging 0.94
IGL02201:Kcnab2 APN 4 152,486,375 (GRCm39) unclassified probably benign
IGL02449:Kcnab2 APN 4 152,496,441 (GRCm39) critical splice donor site probably null
IGL02957:Kcnab2 APN 4 152,520,326 (GRCm39) missense possibly damaging 0.62
R0415:Kcnab2 UTSW 4 152,479,593 (GRCm39) missense probably benign 0.39
R0485:Kcnab2 UTSW 4 152,479,439 (GRCm39) missense probably benign
R1759:Kcnab2 UTSW 4 152,477,509 (GRCm39) missense probably damaging 0.99
R1933:Kcnab2 UTSW 4 152,520,323 (GRCm39) missense possibly damaging 0.66
R3037:Kcnab2 UTSW 4 152,478,213 (GRCm39) missense possibly damaging 0.94
R3913:Kcnab2 UTSW 4 152,479,689 (GRCm39) missense probably damaging 0.99
R4178:Kcnab2 UTSW 4 152,489,058 (GRCm39) missense probably null 1.00
R4863:Kcnab2 UTSW 4 152,486,403 (GRCm39) missense probably damaging 1.00
R4919:Kcnab2 UTSW 4 152,486,397 (GRCm39) missense probably damaging 1.00
R5996:Kcnab2 UTSW 4 152,519,287 (GRCm39) splice site probably null
R6519:Kcnab2 UTSW 4 152,496,450 (GRCm39) missense probably damaging 0.96
R9025:Kcnab2 UTSW 4 152,491,635 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ATGAGGGTAAGCCATCCATGC -3'
(R):5'- TACACTGCTTGCAAGACGCC -3'

Sequencing Primer
(F):5'- ATCCATGCAGGGCCATGTTG -3'
(R):5'- TTGCAAGACGCCTTTGCAG -3'
Posted On 2019-11-26