Incidental Mutation 'R6945:Cacnb4'
ID 540824
Institutional Source Beutler Lab
Gene Symbol Cacnb4
Ensembl Gene ENSMUSG00000017412
Gene Name calcium channel, voltage-dependent, beta 4 subunit
Synonyms Cchb4, 3110038O15Rik
MMRRC Submission 045059-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.227) question?
Stock # R6945 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 52318332-52566816 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 52364966 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 99 (N99S)
Ref Sequence ENSEMBL: ENSMUSP00000136811 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000078324] [ENSMUST00000102760] [ENSMUST00000102761] [ENSMUST00000178799]
AlphaFold Q8R0S4
Predicted Effect probably damaging
Transcript: ENSMUST00000078324
AA Change: N99S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000077438
Gene: ENSMUSG00000017412
AA Change: N99S

DomainStartEndE-ValueType
Pfam:VGCC_beta4Aa_N 49 90 5.4e-27 PFAM
SH3 94 159 4.96e-2 SMART
low complexity region 172 189 N/A INTRINSIC
low complexity region 193 206 N/A INTRINSIC
GuKc 217 398 3.46e-37 SMART
low complexity region 465 481 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000102760
AA Change: N66S

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000099821
Gene: ENSMUSG00000017412
AA Change: N66S

DomainStartEndE-ValueType
Pfam:VGCC_beta4Aa_N 16 57 9.4e-28 PFAM
SH3 61 126 4.96e-2 SMART
low complexity region 139 156 N/A INTRINSIC
low complexity region 160 173 N/A INTRINSIC
GuKc 184 365 3.46e-37 SMART
low complexity region 432 448 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000102761
AA Change: N53S

PolyPhen 2 Score 0.964 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000099822
Gene: ENSMUSG00000017412
AA Change: N53S

DomainStartEndE-ValueType
Pfam:VGCC_beta4Aa_N 3 44 4.8e-27 PFAM
SH3 48 113 4.96e-2 SMART
low complexity region 126 143 N/A INTRINSIC
low complexity region 147 160 N/A INTRINSIC
GuKc 171 352 3.46e-37 SMART
low complexity region 419 435 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000178799
AA Change: N99S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000136811
Gene: ENSMUSG00000017412
AA Change: N99S

DomainStartEndE-ValueType
Pfam:VGCC_beta4Aa_N 49 90 1.3e-24 PFAM
SH3 94 159 4.96e-2 SMART
low complexity region 172 189 N/A INTRINSIC
GuKc 217 398 3.46e-37 SMART
low complexity region 465 481 N/A INTRINSIC
Meta Mutation Damage Score 0.5877 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.5%
Validation Efficiency 96% (51/53)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the beta subunit family of voltage-dependent calcium channel complex proteins. Calcium channels mediate the influx of calcium ions into the cell upon membrane polarization and consist of a complex of alpha-1, alpha-2/delta, beta, and gamma subunits in a 1:1:1:1 ratio. Various versions of each of these subunits exist, either expressed from similar genes or the result of alternative splicing. The protein encoded by this locus plays an important role in calcium channel function by modulating G protein inhibition, increasing peak calcium current, controlling the alpha-1 subunit membrane targeting and shifting the voltage dependence of activation and inactivation. Certain mutations in this gene have been associated with idiopathic generalized epilepsy (IGE), juvenile myoclonic epilepsy (JME), and episodic ataxia, type 5. [provided by RefSeq, Aug 2016]
PHENOTYPE: Homozygous mutants have lethargic behavior, unstable gait and seizures, with peripheral motor nerves showing reduced conduction velocity and prolonged distal latency. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc5 T A 16: 20,218,759 (GRCm39) T208S probably benign Het
Acaa2 A G 18: 74,926,380 (GRCm39) E112G probably benign Het
Adgrb1 A G 15: 74,421,873 (GRCm39) N881S probably damaging Het
Adgre1 A G 17: 57,717,844 (GRCm39) E314G probably benign Het
Adgre1 A G 17: 57,727,399 (GRCm39) E443G probably benign Het
Akp3 A G 1: 87,053,353 (GRCm39) Y102C probably damaging Het
Birc6 A G 17: 74,886,526 (GRCm39) N618S probably benign Het
Bpifc A G 10: 85,815,078 (GRCm39) V296A probably benign Het
Cacna2d3 G A 14: 28,691,275 (GRCm39) probably benign Het
Cd38 A G 5: 44,065,348 (GRCm39) Y283C probably damaging Het
Celf4 T A 18: 25,629,293 (GRCm39) Q411L probably damaging Het
Cemip A T 7: 83,647,755 (GRCm39) H108Q probably damaging Het
Col23a1 A G 11: 51,452,720 (GRCm39) E225G unknown Het
Dnah11 T C 12: 118,024,045 (GRCm39) E1902G probably damaging Het
Dst A G 1: 34,229,571 (GRCm39) D2063G probably damaging Het
Fsip2 A T 2: 82,823,184 (GRCm39) I6306L probably benign Het
Furin A G 7: 80,040,838 (GRCm39) S667P possibly damaging Het
Glmp T A 3: 88,233,139 (GRCm39) S92R probably benign Het
Gm11563 C G 11: 99,549,298 (GRCm39) C152S unknown Het
Gm3486 A G 14: 41,206,518 (GRCm39) V185A probably benign Het
Gvin2 G A 7: 105,551,187 (GRCm39) Q622* probably null Het
Hyal1 C A 9: 107,456,369 (GRCm39) A102E probably damaging Het
Invs T C 4: 48,421,785 (GRCm39) C806R probably benign Het
L1td1 T C 4: 98,621,933 (GRCm39) V165A probably benign Het
Lama1 A G 17: 68,120,861 (GRCm39) T2666A Het
Lrit1 G C 14: 36,782,052 (GRCm39) V242L probably damaging Het
Lrrc8a A G 2: 30,146,239 (GRCm39) Y351C probably damaging Het
Myh7b T C 2: 155,464,152 (GRCm39) F551S possibly damaging Het
Myo19 A G 11: 84,788,386 (GRCm39) T333A probably benign Het
Nrp2 A T 1: 62,799,947 (GRCm39) N387I probably damaging Het
Oas2 T C 5: 120,874,204 (GRCm39) D543G probably benign Het
Or2g25 A G 17: 37,970,405 (GRCm39) I273T possibly damaging Het
Or5al6 A G 2: 85,976,428 (GRCm39) S217P probably damaging Het
Pak5 A G 2: 135,942,859 (GRCm39) V427A probably benign Het
Pfas G A 11: 68,891,356 (GRCm39) A247V probably benign Het
Pramel52-ps C T 5: 94,531,490 (GRCm39) H125Y possibly damaging Het
Psat1 T A 19: 15,894,545 (GRCm39) T115S probably benign Het
Psme4 T A 11: 30,787,437 (GRCm39) D1077E probably benign Het
Rabgap1l A G 1: 160,509,752 (GRCm39) S442P probably benign Het
Ralgapa1 A G 12: 55,822,976 (GRCm39) M280T possibly damaging Het
Rb1cc1 A T 1: 6,331,256 (GRCm39) E394D probably damaging Het
Seh1l T C 18: 67,922,460 (GRCm39) V271A probably benign Het
Sf3b1 A T 1: 55,036,315 (GRCm39) N919K probably benign Het
Sftpd A G 14: 40,896,449 (GRCm39) S245P possibly damaging Het
Slc22a15 T C 3: 101,831,430 (GRCm39) E2G probably damaging Het
Spta1 A G 1: 174,036,891 (GRCm39) D1134G possibly damaging Het
Syna A G 5: 134,587,815 (GRCm39) V378A probably damaging Het
Tchp A G 5: 114,847,411 (GRCm39) K77E possibly damaging Het
Tescl T C 7: 24,032,956 (GRCm39) N123S probably benign Het
Trio C T 15: 27,824,176 (GRCm39) R1443Q probably damaging Het
Trrap A T 5: 144,727,665 (GRCm39) Y462F possibly damaging Het
Vmn1r78 A G 7: 11,886,832 (GRCm39) T148A probably benign Het
Vmn2r111 T C 17: 22,778,032 (GRCm39) N549S possibly damaging Het
Zfp1007 A C 5: 109,824,711 (GRCm39) N246K probably benign Het
Other mutations in Cacnb4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00961:Cacnb4 APN 2 52,367,724 (GRCm39) missense possibly damaging 0.46
IGL01328:Cacnb4 APN 2 52,354,637 (GRCm39) missense probably damaging 1.00
IGL01801:Cacnb4 APN 2 52,324,723 (GRCm39) missense probably benign 0.15
IGL01992:Cacnb4 APN 2 52,355,682 (GRCm39) missense probably damaging 1.00
IGL03030:Cacnb4 APN 2 52,364,894 (GRCm39) missense probably damaging 1.00
R0789:Cacnb4 UTSW 2 52,341,895 (GRCm39) missense probably damaging 1.00
R1069:Cacnb4 UTSW 2 52,345,623 (GRCm39) missense probably damaging 1.00
R1646:Cacnb4 UTSW 2 52,364,912 (GRCm39) missense possibly damaging 0.87
R2050:Cacnb4 UTSW 2 52,359,598 (GRCm39) missense probably damaging 0.99
R3939:Cacnb4 UTSW 2 52,359,501 (GRCm39) missense probably damaging 1.00
R3941:Cacnb4 UTSW 2 52,359,501 (GRCm39) missense probably damaging 1.00
R4455:Cacnb4 UTSW 2 52,355,665 (GRCm39) missense probably damaging 1.00
R4497:Cacnb4 UTSW 2 52,367,783 (GRCm39) missense probably damaging 1.00
R4707:Cacnb4 UTSW 2 52,364,927 (GRCm39) missense probably benign 0.45
R4824:Cacnb4 UTSW 2 52,565,822 (GRCm39) missense probably benign 0.00
R4957:Cacnb4 UTSW 2 52,448,303 (GRCm39) missense probably damaging 0.99
R5913:Cacnb4 UTSW 2 52,324,796 (GRCm39) intron probably benign
R6372:Cacnb4 UTSW 2 52,324,679 (GRCm39) missense probably benign 0.00
R7557:Cacnb4 UTSW 2 52,359,579 (GRCm39) missense probably damaging 1.00
R7821:Cacnb4 UTSW 2 52,324,520 (GRCm39) missense possibly damaging 0.91
R8015:Cacnb4 UTSW 2 52,354,655 (GRCm39) missense probably damaging 1.00
R8043:Cacnb4 UTSW 2 52,355,663 (GRCm39) missense probably damaging 1.00
R8181:Cacnb4 UTSW 2 52,364,997 (GRCm39) missense probably benign 0.00
R8376:Cacnb4 UTSW 2 52,354,665 (GRCm39) nonsense probably null
R8466:Cacnb4 UTSW 2 52,354,679 (GRCm39) missense probably damaging 1.00
R8765:Cacnb4 UTSW 2 52,327,001 (GRCm39) missense probably damaging 0.99
R9018:Cacnb4 UTSW 2 52,324,706 (GRCm39) missense probably benign 0.26
R9574:Cacnb4 UTSW 2 52,327,016 (GRCm39) missense probably damaging 1.00
R9624:Cacnb4 UTSW 2 52,364,942 (GRCm39) missense probably benign 0.09
R9778:Cacnb4 UTSW 2 52,359,615 (GRCm39) missense probably damaging 0.96
Z1176:Cacnb4 UTSW 2 52,565,824 (GRCm39) critical splice acceptor site probably null
Predicted Primers PCR Primer
(F):5'- TTAACCGAGGCTCCACACTG -3'
(R):5'- TGTGGCCTGCAACTATAAAACC -3'

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