Incidental Mutation 'R8043:Cacnb4'
ID 618608
Institutional Source Beutler Lab
Gene Symbol Cacnb4
Ensembl Gene ENSMUSG00000017412
Gene Name calcium channel, voltage-dependent, beta 4 subunit
Synonyms Cchb4, 3110038O15Rik
MMRRC Submission 067480-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.227) question?
Stock # R8043 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 52318332-52566816 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 52355663 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Methionine at position 215 (V215M)
Ref Sequence ENSEMBL: ENSMUSP00000077438 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000078324] [ENSMUST00000102760] [ENSMUST00000102761] [ENSMUST00000178799]
AlphaFold Q8R0S4
PDB Structure BETA4 SUBUNIT OF CA2+ CHANNEL [X-RAY DIFFRACTION]
Predicted Effect probably damaging
Transcript: ENSMUST00000078324
AA Change: V215M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000077438
Gene: ENSMUSG00000017412
AA Change: V215M

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: V182M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099821
Gene: ENSMUSG00000017412
AA Change: V182M

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: V169M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099822
Gene: ENSMUSG00000017412
AA Change: V169M

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: V215M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000136811
Gene: ENSMUSG00000017412
AA Change: V215M

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 0.6329 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 98% (50/51)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb9 T C 5: 124,211,665 (GRCm39) Y628C probably damaging Het
Alpk2 C T 18: 65,482,901 (GRCm39) C369Y probably damaging Het
Atl1 T C 12: 70,005,989 (GRCm39) Y432H probably damaging Het
Cep170 C T 1: 176,596,808 (GRCm39) M516I probably damaging Het
Cep83 A C 10: 94,573,804 (GRCm39) N231T probably damaging Het
Cfap44 G A 16: 44,234,054 (GRCm39) G338D probably benign Het
Col6a6 A T 9: 105,576,219 (GRCm39) V2047E probably damaging Het
Coro1c C T 5: 114,003,820 (GRCm39) silent Het
Cplx4 A T 18: 66,090,190 (GRCm39) probably null Het
Csf1r G C 18: 61,257,947 (GRCm39) G639R probably damaging Het
Epha5 A G 5: 84,381,513 (GRCm39) V446A probably benign Het
Esam T C 9: 37,448,317 (GRCm39) V252A probably damaging Het
F13b T G 1: 139,450,186 (GRCm39) M616R probably benign Het
Fbxw21 T C 9: 108,975,694 (GRCm39) Y234C probably benign Het
Fshr C T 17: 89,293,818 (GRCm39) E287K probably benign Het
Fstl4 T C 11: 52,891,050 (GRCm39) S63P probably benign Het
Glra1 G A 11: 55,424,688 (GRCm39) P174L probably damaging Het
Golga7 A T 8: 23,746,731 (GRCm39) C24S possibly damaging Het
Gpr3 G A 4: 132,938,271 (GRCm39) R134C probably damaging Het
Greb1 T C 12: 16,761,790 (GRCm39) E530G probably damaging Het
Hmgcs2 C T 3: 98,198,444 (GRCm39) R116C probably damaging Het
Kcnj9 C A 1: 172,153,623 (GRCm39) R167L probably damaging Het
Kcnq5 T A 1: 21,549,644 (GRCm39) Q361L probably damaging Het
Lrrc40 T C 3: 157,769,397 (GRCm39) S532P possibly damaging Het
Mob3a A T 10: 80,525,846 (GRCm39) I155N probably damaging Het
Mpi A T 9: 57,457,881 (GRCm39) L107Q probably damaging Het
Npffr2 G A 5: 89,730,513 (GRCm39) V148I probably benign Het
Nrp1 G T 8: 129,158,504 (GRCm39) V264L probably benign Het
Oas1a T C 5: 121,035,080 (GRCm39) E360G probably benign Het
Or4k15c A T 14: 50,321,367 (GRCm39) I257N possibly damaging Het
Or52e8 A T 7: 104,625,080 (GRCm39) Y41* probably null Het
Or5b96 A C 19: 12,867,095 (GRCm39) V282G probably damaging Het
Pcdha2 A G 18: 37,072,579 (GRCm39) D70G probably benign Het
Pcsk2 A T 2: 143,655,450 (GRCm39) K545* probably null Het
Phf11b T C 14: 59,568,722 (GRCm39) S64G probably benign Het
Pira1 C G 7: 3,740,319 (GRCm39) A301P probably damaging Het
Pygo2 T C 3: 89,340,235 (GRCm39) L211P possibly damaging Het
Rbbp6 C T 7: 122,584,468 (GRCm39) T161I probably damaging Het
Rcsd1 A T 1: 165,482,911 (GRCm39) I390N probably benign Het
Rpl21 T C 5: 146,772,702 (GRCm39) V141A probably benign Het
Rufy3 C A 5: 88,790,851 (GRCm39) D517E probably benign Het
Ryr3 A T 2: 112,606,009 (GRCm39) L2417Q probably damaging Het
Ryr3 C T 2: 112,705,422 (GRCm39) E831K probably damaging Het
Sipa1l1 A C 12: 82,496,700 (GRCm39) Q1744P probably damaging Het
Sirt6 A G 10: 81,458,240 (GRCm39) probably null Het
Slain1 C A 14: 103,925,782 (GRCm39) Q377K possibly damaging Het
Slc30a6 T G 17: 74,730,018 (GRCm39) S303A probably damaging Het
Sorcs3 T A 19: 48,752,734 (GRCm39) L843Q possibly damaging Het
Usp45 G A 4: 21,824,543 (GRCm39) A432T probably benign Het
Vmn1r91 T A 7: 19,835,218 (GRCm39) S46T possibly damaging Het
Ybx3 T C 6: 131,361,469 (GRCm39) N100S probably benign Het
Zfp747 A G 7: 126,973,225 (GRCm39) L315P probably benign Het
Zfp750 T C 11: 121,402,706 (GRCm39) T681A 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
R6945:Cacnb4 UTSW 2 52,364,966 (GRCm39) missense probably damaging 1.00
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
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'- GGCAATGTTCAGTTAATCTCCAG -3'
(R):5'- CGTTTCCGTGACCCACATAG -3'

Sequencing Primer
(F):5'- CCAGAATTTAATCCTGTTTTTACCGG -3'
(R):5'- TCCGTGACCCACATAGCTATAATGTG -3'
Posted On 2020-01-23