Incidental Mutation 'R6889:Cacnb2'
ID 537083
Institutional Source Beutler Lab
Gene Symbol Cacnb2
Ensembl Gene ENSMUSG00000057914
Gene Name calcium channel, voltage-dependent, beta 2 subunit
Synonyms Cchb2, Cavbeta2
MMRRC Submission 044983-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6889 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 14607899-14992719 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 14990826 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 636 (V636E)
Ref Sequence ENSEMBL: ENSMUSP00000110371 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000114719] [ENSMUST00000114723] [ENSMUST00000193800]
AlphaFold Q8CC27
Predicted Effect probably benign
Transcript: ENSMUST00000114719
AA Change: V592E

PolyPhen 2 Score 0.107 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000110367
Gene: ENSMUSG00000057914
AA Change: V592E

DomainStartEndE-ValueType
Pfam:VGCC_beta4Aa_N 24 65 1.7e-26 PFAM
SH3 69 133 2.42e-2 SMART
low complexity region 149 161 N/A INTRINSIC
GuKc 232 414 6.11e-38 SMART
low complexity region 419 448 N/A INTRINSIC
low complexity region 546 561 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000114723
AA Change: V636E

PolyPhen 2 Score 0.545 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000110371
Gene: ENSMUSG00000057914
AA Change: V636E

DomainStartEndE-ValueType
low complexity region 50 61 N/A INTRINSIC
Pfam:VGCC_beta4Aa_N 68 109 2.7e-25 PFAM
SH3 113 177 2.42e-2 SMART
low complexity region 193 205 N/A INTRINSIC
GuKc 276 458 6.11e-38 SMART
low complexity region 463 492 N/A INTRINSIC
low complexity region 590 605 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000193522
Predicted Effect probably benign
Transcript: ENSMUST00000193800
AA Change: V586E

PolyPhen 2 Score 0.201 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000141221
Gene: ENSMUSG00000057914
AA Change: V586E

DomainStartEndE-ValueType
Pfam:VGCC_beta4Aa_N 18 59 3.2e-27 PFAM
SH3 63 127 2.42e-2 SMART
low complexity region 143 155 N/A INTRINSIC
GuKc 226 408 6.11e-38 SMART
low complexity region 413 442 N/A INTRINSIC
low complexity region 540 555 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a subunit of a voltage-dependent calcium channel protein that is a member of the voltage-gated calcium channel superfamily. The gene product was originally identified as an antigen target in Lambert-Eaton myasthenic syndrome, an autoimmune disorder. Mutations in this gene are associated with Brugada syndrome. Alternatively spliced variants encoding different isoforms have been described. [provided by RefSeq, Feb 2013]
PHENOTYPE: Mice homozygous for a null allele exhibit lethality at E10.5 with growth retardation, abnormal yolk vasculature and abnormal cardiac development and function. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2310002L09Rik A T 4: 73,861,290 (GRCm39) D103E probably benign Het
Abcc3 A T 11: 94,266,381 (GRCm39) S70T possibly damaging Het
Atp6v0a1 A G 11: 100,920,009 (GRCm39) Y214C possibly damaging Het
Azi2 A G 9: 117,878,963 (GRCm39) probably null Het
Cd8a A C 6: 71,351,546 (GRCm39) T169P probably damaging Het
Cfap44 G A 16: 44,224,495 (GRCm39) V68I probably benign Het
Cspg4b C A 13: 113,454,912 (GRCm39) S319R probably damaging Het
Dnaaf10 G A 11: 17,172,309 (GRCm39) V133M probably damaging Het
Eea1 G T 10: 95,873,340 (GRCm39) C1134F probably benign Het
Ehmt2 T G 17: 35,131,748 (GRCm39) F1192V probably damaging Het
Emc1 T C 4: 139,092,661 (GRCm39) F531L probably damaging Het
Eme1 G A 11: 94,541,303 (GRCm39) T173I probably benign Het
Gli2 A T 1: 118,772,146 (GRCm39) C520S probably damaging Het
Gm43302 T C 5: 105,428,004 (GRCm39) K186E probably benign Het
Gpr108 A T 17: 57,543,990 (GRCm39) N405K probably damaging Het
Hmgcl C A 4: 135,682,953 (GRCm39) T135N probably benign Het
Hydin G A 8: 111,259,488 (GRCm39) D2487N possibly damaging Het
Igfl3 G T 7: 17,913,725 (GRCm39) R25L probably benign Het
Igsf10 A C 3: 59,239,354 (GRCm39) S276A probably benign Het
Kctd1 A G 18: 15,107,045 (GRCm39) S211P probably damaging Het
Kctd7 A T 5: 130,181,342 (GRCm39) Q255L probably benign Het
Lrig1 A G 6: 94,602,044 (GRCm39) Y270H probably benign Het
Muc5ac C T 7: 141,363,481 (GRCm39) probably benign Het
Myh15 A G 16: 48,973,474 (GRCm39) N1248S possibly damaging Het
Nod1 A G 6: 54,921,094 (GRCm39) F408S probably benign Het
Nrp1 T C 8: 129,219,538 (GRCm39) F652S probably damaging Het
Opa1 G T 16: 29,439,686 (GRCm39) R792L probably benign Het
Or10ak14 G A 4: 118,611,504 (GRCm39) T79I probably damaging Het
Or51t4 A T 7: 102,597,975 (GRCm39) H91L possibly damaging Het
Or5p63 A T 7: 107,811,125 (GRCm39) F204I probably benign Het
Or6c74 T C 10: 129,870,401 (GRCm39) M302T probably benign Het
Pcdha6 G T 18: 37,101,396 (GRCm39) L196F probably damaging Het
Pdia2 A T 17: 26,415,944 (GRCm39) Y347* probably null Het
Pdpr G T 8: 111,851,245 (GRCm39) probably null Het
Pigt T A 2: 164,349,251 (GRCm39) L518Q probably damaging Het
Ppfibp2 A C 7: 107,337,188 (GRCm39) D591A possibly damaging Het
Prrg2 G A 7: 44,709,413 (GRCm39) T97M possibly damaging Het
Qars1 A G 9: 108,390,382 (GRCm39) T428A probably damaging Het
Rai1 T C 11: 60,076,541 (GRCm39) F202L probably damaging Het
Rars1 A T 11: 35,699,313 (GRCm39) M660K probably damaging Het
Rsf1 GCGGCGGCG GCGGCGGCGTCGGCGGCG 7: 97,229,132 (GRCm39) probably benign Het
Slc16a6 A C 11: 109,345,866 (GRCm39) F382V probably damaging Het
Slc30a7 T C 3: 115,747,802 (GRCm39) T330A probably damaging Het
Smc1b A T 15: 84,951,960 (GRCm39) L1157Q probably damaging Het
Snx4 G T 16: 33,071,840 (GRCm39) A4S possibly damaging Het
Sv2b A C 7: 74,775,515 (GRCm39) probably null Het
Syt9 A T 7: 107,024,493 (GRCm39) I129L probably damaging Het
Ttbk2 T C 2: 120,603,834 (GRCm39) E198G probably damaging Het
Ubr3 A T 2: 69,774,644 (GRCm39) D488V possibly damaging Het
Ush2a T A 1: 188,530,068 (GRCm39) C3286S probably damaging Het
Vill A G 9: 118,894,950 (GRCm39) D56G possibly damaging Het
Vmn1r41 A T 6: 89,724,352 (GRCm39) I298F probably damaging Het
Vmn2r2 A T 3: 64,024,688 (GRCm39) V631D probably damaging Het
Vmn2r32 A G 7: 7,475,573 (GRCm39) S437P possibly damaging Het
Vmn2r53 A G 7: 12,335,069 (GRCm39) V197A probably benign Het
Wasf1 A T 10: 40,796,365 (GRCm39) I32F probably damaging Het
Wasf2 G T 4: 132,922,041 (GRCm39) A387S unknown Het
Zbtb14 G A 17: 69,694,674 (GRCm39) C124Y probably damaging Het
Zfp462 G T 4: 55,007,671 (GRCm39) A37S probably damaging Het
Zfp532 A G 18: 65,820,061 (GRCm39) E882G possibly damaging Het
Other mutations in Cacnb2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01527:Cacnb2 APN 2 14,989,081 (GRCm39) missense possibly damaging 0.95
IGL01806:Cacnb2 APN 2 14,619,079 (GRCm39) missense probably damaging 1.00
IGL01939:Cacnb2 APN 2 14,976,380 (GRCm39) missense probably benign 0.16
IGL02941:Cacnb2 APN 2 14,963,640 (GRCm39) missense probably benign 0.00
PIT1430001:Cacnb2 UTSW 2 14,976,412 (GRCm39) nonsense probably null
PIT4498001:Cacnb2 UTSW 2 14,879,630 (GRCm39) nonsense probably null
PIT4508001:Cacnb2 UTSW 2 14,989,230 (GRCm39) missense probably benign 0.00
R0095:Cacnb2 UTSW 2 14,963,586 (GRCm39) missense probably damaging 1.00
R0731:Cacnb2 UTSW 2 14,990,517 (GRCm39) missense possibly damaging 0.95
R1521:Cacnb2 UTSW 2 14,619,163 (GRCm39) missense probably benign 0.18
R1829:Cacnb2 UTSW 2 14,990,775 (GRCm39) missense possibly damaging 0.89
R2174:Cacnb2 UTSW 2 14,963,578 (GRCm39) missense probably benign 0.21
R2471:Cacnb2 UTSW 2 14,989,125 (GRCm39) missense probably damaging 1.00
R2473:Cacnb2 UTSW 2 14,989,125 (GRCm39) missense probably damaging 1.00
R3801:Cacnb2 UTSW 2 14,829,074 (GRCm39) missense possibly damaging 0.85
R3831:Cacnb2 UTSW 2 14,986,236 (GRCm39) missense probably damaging 1.00
R3832:Cacnb2 UTSW 2 14,986,236 (GRCm39) missense probably damaging 1.00
R3833:Cacnb2 UTSW 2 14,986,236 (GRCm39) missense probably damaging 1.00
R3981:Cacnb2 UTSW 2 14,609,314 (GRCm39) missense probably benign
R4231:Cacnb2 UTSW 2 14,986,251 (GRCm39) missense probably damaging 1.00
R4426:Cacnb2 UTSW 2 14,980,026 (GRCm39) nonsense probably null
R4569:Cacnb2 UTSW 2 14,990,811 (GRCm39) missense possibly damaging 0.94
R4815:Cacnb2 UTSW 2 14,879,591 (GRCm39) missense probably damaging 1.00
R4911:Cacnb2 UTSW 2 14,986,151 (GRCm39) missense possibly damaging 0.83
R5189:Cacnb2 UTSW 2 14,990,849 (GRCm39) missense possibly damaging 0.56
R6114:Cacnb2 UTSW 2 14,980,012 (GRCm39) missense possibly damaging 0.88
R6158:Cacnb2 UTSW 2 14,990,412 (GRCm39) missense possibly damaging 0.62
R6530:Cacnb2 UTSW 2 14,979,978 (GRCm39) missense probably damaging 1.00
R6612:Cacnb2 UTSW 2 14,979,960 (GRCm39) missense probably benign 0.41
R6882:Cacnb2 UTSW 2 14,829,110 (GRCm39) missense probably benign 0.00
R7804:Cacnb2 UTSW 2 14,972,848 (GRCm39) missense probably benign 0.08
R7820:Cacnb2 UTSW 2 14,965,477 (GRCm39) missense probably damaging 1.00
R7971:Cacnb2 UTSW 2 14,976,409 (GRCm39) missense possibly damaging 0.51
R7980:Cacnb2 UTSW 2 14,609,326 (GRCm39) missense probably benign
R7993:Cacnb2 UTSW 2 14,968,731 (GRCm39) missense probably benign 0.16
R8762:Cacnb2 UTSW 2 14,972,759 (GRCm39) missense possibly damaging 0.71
R8868:Cacnb2 UTSW 2 14,989,080 (GRCm39) missense probably benign 0.41
R9147:Cacnb2 UTSW 2 14,972,773 (GRCm39) missense possibly damaging 0.89
R9148:Cacnb2 UTSW 2 14,972,773 (GRCm39) missense possibly damaging 0.89
R9211:Cacnb2 UTSW 2 14,879,308 (GRCm39) missense unknown
R9521:Cacnb2 UTSW 2 14,609,138 (GRCm39) start gained probably benign
R9773:Cacnb2 UTSW 2 14,976,452 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CGTGGAGCCAAAGGAAGATTATTC -3'
(R):5'- TGCATGCCATTGCTATTGGAG -3'

Sequencing Primer
(F):5'- CATGAACATGTGGACCGGTATGTC -3'
(R):5'- TTGGAGCAACAGCAATACAAAATAG -3'
Posted On 2018-10-18