Incidental Mutation 'R7821:Cacnb4'
ID 601847
Institutional Source Beutler Lab
Gene Symbol Cacnb4
Ensembl Gene ENSMUSG00000017412
Gene Name calcium channel, voltage-dependent, beta 4 subunit
Synonyms Cchb4, 3110038O15Rik
MMRRC Submission 045875-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.227) question?
Stock # R7821 (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 52324520 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 514 (D514G)
Ref Sequence ENSEMBL: ENSMUSP00000136811 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000078324] [ENSMUST00000102760] [ENSMUST00000102761] [ENSMUST00000178799]
AlphaFold Q8R0S4
Predicted Effect probably benign
Transcript: ENSMUST00000078324
AA Change: D514G

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000077438
Gene: ENSMUSG00000017412
AA Change: D514G

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 possibly damaging
Transcript: ENSMUST00000102760
AA Change: D481G

PolyPhen 2 Score 0.831 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000099821
Gene: ENSMUSG00000017412
AA Change: D481G

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 possibly damaging
Transcript: ENSMUST00000102761
AA Change: D468G

PolyPhen 2 Score 0.831 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000099822
Gene: ENSMUSG00000017412
AA Change: D468G

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 possibly damaging
Transcript: ENSMUST00000178799
AA Change: D514G

PolyPhen 2 Score 0.909 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000136811
Gene: ENSMUSG00000017412
AA Change: D514G

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 98% (61/62)
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aass T A 6: 23,120,929 (GRCm39) T112S probably damaging Het
Abca12 G T 1: 71,298,950 (GRCm39) S2320R probably benign Het
Abca7 TGGTGCGTGAG TG 10: 79,838,424 (GRCm39) probably benign Het
Adh7 T A 3: 137,932,136 (GRCm39) I250N probably damaging Het
Albfm1 T C 5: 90,740,747 (GRCm39) V560A possibly damaging Het
Aoc1 T A 6: 48,882,745 (GRCm39) I229N probably damaging Het
C2cd6 A T 1: 59,106,951 (GRCm39) Y291* probably null Het
Ccdc202 A G 14: 96,119,486 (GRCm39) Q81R possibly damaging Het
Clec2g A G 6: 128,925,740 (GRCm39) T50A probably benign Het
Col6a5 T C 9: 105,741,458 (GRCm39) E2487G probably damaging Het
D130040H23Rik A T 8: 69,752,887 (GRCm39) probably null Het
D6Ertd527e G A 6: 87,087,879 (GRCm39) S14N unknown Het
Dchs1 G A 7: 105,414,352 (GRCm39) T821I probably benign Het
Dhcr24 T C 4: 106,428,633 (GRCm39) S138P possibly damaging Het
Dhrs9 G A 2: 69,224,782 (GRCm39) G157R probably damaging Het
Dnah5 T A 15: 28,411,678 (GRCm39) D3682E possibly damaging Het
Dst T C 1: 34,314,443 (GRCm39) probably null Het
Fat1 A T 8: 45,403,261 (GRCm39) H4L probably benign Het
Flnb A G 14: 7,939,113 (GRCm38) I2319V probably benign Het
Foxe1 T C 4: 46,344,578 (GRCm39) W129R probably damaging Het
Foxred2 G A 15: 77,827,550 (GRCm39) P603L probably benign Het
Fshr A G 17: 89,293,641 (GRCm39) S346P probably damaging Het
Galnt2 T A 8: 125,070,134 (GRCm39) S550R possibly damaging Het
Gpc2 A G 5: 138,274,559 (GRCm39) S312P probably benign Het
Gpr150 C A 13: 76,204,511 (GRCm39) A145S probably benign Het
Grk4 T A 5: 34,867,553 (GRCm39) W173R probably damaging Het
Hoxb9 C G 11: 96,162,537 (GRCm39) P57R probably damaging Het
Hsf5 A G 11: 87,528,954 (GRCm39) Q563R probably benign Het
Ighv1-58 A G 12: 115,275,796 (GRCm39) F114S possibly damaging Het
Klra9 T A 6: 130,162,563 (GRCm39) I158F probably damaging Het
Lrrc8d T C 5: 105,960,210 (GRCm39) S207P probably damaging Het
Nbeal2 T C 9: 110,459,320 (GRCm39) E1929G probably damaging Het
Ncoa1 A G 12: 4,346,221 (GRCm39) M89T probably benign Het
Nkx2-4 T C 2: 146,927,208 (GRCm39) I20V probably benign Het
Nup214 T C 2: 31,916,917 (GRCm39) S1191P possibly damaging Het
Or2n1d A G 17: 38,646,855 (GRCm39) D269G probably benign Het
Pfkp T A 13: 6,647,908 (GRCm39) N556I probably damaging Het
Pidd1 A T 7: 141,022,193 (GRCm39) S199T probably benign Het
Pik3r2 T A 8: 71,222,408 (GRCm39) I515F probably damaging Het
Plcxd2 T A 16: 45,785,524 (GRCm39) I294F probably damaging Het
Prmt6 C A 3: 110,158,303 (GRCm39) probably benign Het
Prpf8 A G 11: 75,385,300 (GRCm39) I812V probably benign Het
Rasa2 T C 9: 96,462,537 (GRCm39) probably null Het
Rsad1 A C 11: 94,435,288 (GRCm39) D266E probably benign Het
Rsf1 GGCG GGCGACGGCTGCG 7: 97,229,113 (GRCm39) probably benign Het
Shroom3 T A 5: 93,088,705 (GRCm39) V485E probably damaging Het
Siae T A 9: 37,556,196 (GRCm39) Y451N probably damaging Het
Slc7a11 A T 3: 50,335,476 (GRCm39) I354N probably damaging Het
Spryd7 A T 14: 61,783,129 (GRCm39) probably null Het
Srcap A G 7: 127,129,499 (GRCm39) probably benign Het
Svep1 T A 4: 58,179,601 (GRCm39) D214V probably damaging Het
Tmtc4 T C 14: 123,209,289 (GRCm39) I119V probably benign Het
Trim5 G A 7: 103,927,633 (GRCm39) T169I probably benign Het
Ttc33 T C 15: 5,241,506 (GRCm39) F83S probably benign Het
Ubr5 A T 15: 37,997,431 (GRCm39) S1741T probably damaging Het
Vmn2r111 T C 17: 22,778,032 (GRCm39) N549S possibly damaging Het
Wdcp A G 12: 4,907,975 (GRCm39) N694S probably benign Het
Zfp174 T A 16: 3,666,041 (GRCm39) I102N probably damaging Het
Zfp354a T C 11: 50,960,539 (GRCm39) F248S probably damaging Het
Zfyve26 A T 12: 79,302,098 (GRCm39) C404S probably damaging Het
Zmynd8 A T 2: 165,723,000 (GRCm39) 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
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'- CCCATCTAGACTCAAGGGCATAATG -3'
(R):5'- AGACGAAGCCTAATGACCTCG -3'

Sequencing Primer
(F):5'- GACTCAAGGGCATAATGTACTTC -3'
(R):5'- GCCTAATGACCTCGGATGAAAATTAC -3'
Posted On 2019-12-03