Incidental Mutation 'R3941:Cacnb4'
ID 307433
Institutional Source Beutler Lab
Gene Symbol Cacnb4
Ensembl Gene ENSMUSG00000017412
Gene Name calcium channel, voltage-dependent, beta 4 subunit
Synonyms Cchb4, 3110038O15Rik
MMRRC Submission 040923-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.227) question?
Stock # R3941 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 52318332-52566816 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 52359501 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Leucine at position 169 (R169L)
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: R169L

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000077438
Gene: ENSMUSG00000017412
AA Change: R169L

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: R136L

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000099821
Gene: ENSMUSG00000017412
AA Change: R136L

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: R123L

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000099822
Gene: ENSMUSG00000017412
AA Change: R123L

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: R169L

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000136811
Gene: ENSMUSG00000017412
AA Change: R169L

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 0.1684 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.3%
Validation Efficiency 98% (55/56)
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc1 A T 16: 14,214,263 (GRCm39) T193S probably benign Het
Arhgap11a A T 2: 113,667,242 (GRCm39) L435Q probably damaging Het
Bin1 T C 18: 32,539,211 (GRCm39) V48A probably damaging Het
Brinp3 C A 1: 146,627,599 (GRCm39) D277E probably damaging Het
Btn1a1 T G 13: 23,643,434 (GRCm39) R338S probably benign Het
Ccdc80 A G 16: 44,916,455 (GRCm39) T404A probably benign Het
Cd2ap G C 17: 43,119,690 (GRCm39) H488D probably damaging Het
Cdon A G 9: 35,375,467 (GRCm39) T498A probably benign Het
Cngb3 A G 4: 19,396,786 (GRCm39) N380D probably benign Het
Col6a5 G A 9: 105,817,033 (GRCm39) S426F unknown Het
Cr2 A T 1: 194,848,122 (GRCm39) H345Q probably damaging Het
Cttnbp2 T A 6: 18,427,452 (GRCm39) K743M probably benign Het
Depdc1b T C 13: 108,505,370 (GRCm39) S245P probably damaging Het
Dync2h1 G A 9: 7,124,825 (GRCm39) H2016Y probably benign Het
Eif2s3y G T Y: 1,012,079 (GRCm39) R98L probably benign Het
Eml6 C T 11: 29,753,167 (GRCm39) G915S probably damaging Het
Fcgr1 A G 3: 96,193,349 (GRCm39) L216P probably benign Het
Fpr-rs3 T C 17: 20,845,111 (GRCm39) N10S probably benign Het
Frem3 T C 8: 81,341,649 (GRCm39) I1314T possibly damaging Het
Gabrr3 A G 16: 59,253,864 (GRCm39) N194D probably damaging Het
Hey1 A G 3: 8,729,638 (GRCm39) L273P probably damaging Het
Irf6 A G 1: 192,850,857 (GRCm39) K365E probably benign Het
Kit A G 5: 75,769,978 (GRCm39) D130G probably benign Het
Lrp1 G A 10: 127,389,265 (GRCm39) A3217V probably damaging Het
Mei4 C T 9: 81,809,336 (GRCm39) R140C probably benign Het
Mir100hg T C 9: 41,501,570 (GRCm39) L143P probably damaging Het
Mpo A T 11: 87,688,175 (GRCm39) K278M probably benign Het
Mprip T C 11: 59,622,328 (GRCm39) probably benign Het
Mug2 G C 6: 122,040,522 (GRCm39) G691R probably benign Het
Neto2 G A 8: 86,400,747 (GRCm39) T16I probably damaging Het
Nipal4 C T 11: 46,041,473 (GRCm39) V241M probably damaging Het
Nlrp2 A T 7: 5,330,551 (GRCm39) L615* probably null Het
Pcdh1 A G 18: 38,332,511 (GRCm39) V164A probably benign Het
Phc2 T C 4: 128,641,037 (GRCm39) probably null Het
Plekhg3 A G 12: 76,620,133 (GRCm39) E623G probably damaging Het
Psors1c2 G T 17: 35,844,825 (GRCm39) G29* probably null Het
Slc25a54 A T 3: 109,019,479 (GRCm39) D361V probably damaging Het
Slc39a12 A T 2: 14,400,992 (GRCm39) H123L possibly damaging Het
Sorl1 T C 9: 41,900,764 (GRCm39) probably null Het
Strn A T 17: 78,965,369 (GRCm39) I641N probably damaging Het
Tapbp A G 17: 34,139,457 (GRCm39) E151G possibly damaging Het
Ticrr T C 7: 79,343,445 (GRCm39) probably benign Het
Tnfrsf21 G A 17: 43,348,901 (GRCm39) C171Y probably damaging Het
Ttyh1 T A 7: 4,132,317 (GRCm39) L155H probably damaging Het
Utrn T A 10: 12,587,329 (GRCm39) probably null Het
Vmn1r175 A G 7: 23,508,393 (GRCm39) V78A probably benign Het
Vmn1r73 T C 7: 11,490,682 (GRCm39) Y167H probably damaging Het
Washc1 T C 17: 66,425,123 (GRCm39) S376P probably damaging Het
Wnt10a T A 1: 74,842,656 (GRCm39) probably null Het
Xrcc4 A G 13: 90,219,752 (GRCm39) V16A probably benign Het
Zeb1 T C 18: 5,767,799 (GRCm39) V770A probably benign Het
Zfp410 A G 12: 84,385,527 (GRCm39) N90S probably damaging 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
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
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'- TGGAAAGAACCCAACTTCCTG -3'
(R):5'- TGAGATGTGAGGGTAACTGAATTAC -3'

Sequencing Primer
(F):5'- TCCAACAGAAAACAGAGGTTGAGTC -3'
(R):5'- GAATTACTATTGAGGGTAGCTTTCC -3'
Posted On 2015-04-17