Incidental Mutation 'R7936:Cacna2d2'
ID 648745
Institutional Source Beutler Lab
Gene Symbol Cacna2d2
Ensembl Gene ENSMUSG00000010066
Gene Name calcium channel, voltage-dependent, alpha 2/delta subunit 2
Synonyms a2d2
MMRRC Submission 045982-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.859) question?
Stock # R7936 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 107276948-107406545 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 107401326 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 696 (N696S)
Ref Sequence ENSEMBL: ENSMUSP00000010210 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000010210] [ENSMUST00000085092] [ENSMUST00000164988] [ENSMUST00000166799] [ENSMUST00000168532] [ENSMUST00000170737]
AlphaFold Q6PHS9
Predicted Effect probably damaging
Transcript: ENSMUST00000010210
AA Change: N696S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000010210
Gene: ENSMUSG00000010066
AA Change: N696S

DomainStartEndE-ValueType
low complexity region 20 36 N/A INTRINSIC
low complexity region 43 57 N/A INTRINSIC
Pfam:VWA_N 144 268 2e-48 PFAM
VWA 292 467 4.93e-22 SMART
Pfam:Cache_1 488 577 9.9e-32 PFAM
Pfam:VGCC_alpha2 583 673 1.8e-33 PFAM
low complexity region 968 977 N/A INTRINSIC
low complexity region 1114 1137 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000085092
AA Change: N703S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000082173
Gene: ENSMUSG00000010066
AA Change: N703S

DomainStartEndE-ValueType
low complexity region 20 36 N/A INTRINSIC
low complexity region 43 57 N/A INTRINSIC
Pfam:VWA_N 144 268 2e-48 PFAM
VWA 292 467 4.93e-22 SMART
Pfam:Cache_1 488 577 1e-31 PFAM
Pfam:VGCC_alpha2 583 676 5.8e-35 PFAM
low complexity region 974 983 N/A INTRINSIC
low complexity region 1120 1143 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000164988
AA Change: N702S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000130451
Gene: ENSMUSG00000010066
AA Change: N702S

DomainStartEndE-ValueType
low complexity region 20 36 N/A INTRINSIC
low complexity region 43 57 N/A INTRINSIC
Pfam:VWA_N 144 268 6.7e-49 PFAM
VWA 292 467 4.93e-22 SMART
Pfam:Cache_1 488 577 2.4e-31 PFAM
Pfam:VGCC_alpha2 583 675 2.5e-34 PFAM
low complexity region 974 983 N/A INTRINSIC
low complexity region 1123 1146 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000166799
AA Change: N703S

PolyPhen 2 Score 0.931 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000126029
Gene: ENSMUSG00000010066
AA Change: N703S

DomainStartEndE-ValueType
low complexity region 20 36 N/A INTRINSIC
low complexity region 43 57 N/A INTRINSIC
Pfam:VWA_N 144 268 8.5e-44 PFAM
VWA 292 467 4.93e-22 SMART
Pfam:Cache_1 488 576 1.3e-32 PFAM
Pfam:VGCC_alpha2 583 675 1.4e-47 PFAM
low complexity region 975 984 N/A INTRINSIC
low complexity region 1123 1146 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000168532
AA Change: N703S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132512
Gene: ENSMUSG00000010066
AA Change: N703S

DomainStartEndE-ValueType
low complexity region 20 36 N/A INTRINSIC
low complexity region 43 57 N/A INTRINSIC
Pfam:VWA_N 144 268 2.1e-48 PFAM
VWA 292 467 4.93e-22 SMART
Pfam:Cache_1 488 577 1e-31 PFAM
Pfam:VGCC_alpha2 583 676 5.8e-35 PFAM
low complexity region 974 983 N/A INTRINSIC
low complexity region 1122 1145 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000170737
AA Change: N696S

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000125943
Gene: ENSMUSG00000010066
AA Change: N696S

DomainStartEndE-ValueType
low complexity region 20 36 N/A INTRINSIC
low complexity region 43 57 N/A INTRINSIC
Pfam:VWA_N 144 268 2e-48 PFAM
VWA 292 467 4.93e-22 SMART
Pfam:Cache_1 488 577 1e-31 PFAM
Pfam:VGCC_alpha2 583 673 1.9e-33 PFAM
low complexity region 968 977 N/A INTRINSIC
low complexity region 1116 1139 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
Validation Efficiency 100% (64/64)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Calcium channels mediate the entry of calcium ions into the cell upon membrane polarization. This gene encodes the alpha-2/delta subunit of the voltage-dependent calcium channel complex. The complex consists of the main channel-forming subunit alpha-1, and auxiliary subunits alpha-2/delta, beta, and gamma. The auxiliary subunits function in the assembly and membrane localization of the complex, and modulate calcium currents and channel activation/inactivation kinetics. The subunit encoded by this gene undergoes post-translational cleavage to yield the extracellular alpha2 peptide and a membrane-anchored delta polypeptide. This subunit is a receptor for the antiepileptic drug, gabapentin. Mutations in this gene are associated with early infantile epileptic encephalopathy. Single nucleotide polymorphisms in this gene are correlated with increased sensitivity to opioid drugs. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Mar 2014]
PHENOTYPE: Homozygotes for different mutant alleles show variable movement abnormalities including waddling, reeling or very slow gait, ataxia, and mild spike-wave seizures. While gross CNS abnormalities and demyelination are present in some mutant lines, they are not observed in others. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930590J08Rik T A 6: 91,900,445 (GRCm39) L438* probably null Het
Adamts18 T A 8: 114,493,760 (GRCm39) I460F probably damaging Het
Api5 C T 2: 94,268,392 (GRCm39) probably benign Het
Arap2 A G 5: 62,888,048 (GRCm39) S433P probably damaging Het
Arhgap26 T C 18: 39,338,340 (GRCm39) Y371H probably damaging Het
Asf1b T C 8: 84,695,848 (GRCm39) I163T probably benign Het
Carns1 A C 19: 4,216,152 (GRCm39) S677A probably benign Het
Cd276 G A 9: 58,448,113 (GRCm39) probably benign Het
Cdk8 T A 5: 146,236,644 (GRCm39) M353K possibly damaging Het
Cfap57 C T 4: 118,472,128 (GRCm39) V84I probably benign Het
Chsy3 A G 18: 59,542,418 (GRCm39) I519V probably damaging Het
Chtop T C 3: 90,414,658 (GRCm39) probably benign Het
Clstn3 T A 6: 124,408,972 (GRCm39) D892V possibly damaging Het
Col16a1 A T 4: 129,990,664 (GRCm39) probably null Het
Dnah5 A G 15: 28,345,983 (GRCm39) E2441G possibly damaging Het
Dpy19l2 T G 9: 24,469,454 (GRCm39) D734A probably damaging Het
Dusp2 T A 2: 127,178,812 (GRCm39) Y172* probably null Het
Efcab3 A G 11: 104,890,524 (GRCm39) N4202S possibly damaging Het
Efcab3 G A 11: 104,937,385 (GRCm39) probably null Het
Eml4 G A 17: 83,781,115 (GRCm39) R771Q possibly damaging Het
Fat2 T A 11: 55,200,993 (GRCm39) M694L probably benign Het
Fat2 C A 11: 55,201,986 (GRCm39) E363* probably null Het
Gdpgp1 A G 7: 79,888,826 (GRCm39) I286V probably damaging Het
Gps1 T A 11: 120,677,199 (GRCm39) V166E probably damaging Het
H60b T A 10: 22,162,055 (GRCm39) N93K probably benign Het
Imp4 C T 1: 34,482,114 (GRCm39) T79I probably benign Het
Kank3 A G 17: 34,037,841 (GRCm39) S485G probably benign Het
Kcnv2 A G 19: 27,300,167 (GRCm39) N6S probably benign Het
Krba1 A T 6: 48,388,603 (GRCm39) Q534L probably damaging Het
Lgr4 A G 2: 109,836,863 (GRCm39) N399S probably damaging Het
Lgr5 A G 10: 115,288,952 (GRCm39) V564A probably damaging Het
Lrtm2 A G 6: 119,297,394 (GRCm39) F216L probably benign Het
Lsm8 T A 6: 18,849,658 (GRCm39) M22K probably benign Het
Mboat2 C T 12: 25,005,392 (GRCm39) T389M probably damaging Het
Mcoln1 T G 8: 3,555,924 (GRCm39) I73S probably damaging Het
Myh7 T A 14: 55,216,920 (GRCm39) I1146F possibly damaging Het
Naa16 G A 14: 79,578,486 (GRCm39) T666I possibly damaging Het
Ncoa1 A G 12: 4,385,873 (GRCm39) S88P possibly damaging Het
Obscn T C 11: 58,941,334 (GRCm39) T4496A possibly damaging Het
Or13a28 T C 7: 140,217,652 (GRCm39) F13L probably damaging Het
Or7a35 T A 10: 78,853,872 (GRCm39) F239I probably damaging Het
Pdxk G T 10: 78,277,012 (GRCm39) A262D possibly damaging Het
Pebp4 T A 14: 70,089,082 (GRCm39) L68Q probably damaging Het
Pfdn5 C T 15: 102,236,978 (GRCm39) H77Y possibly damaging Het
Pld1 T C 3: 28,130,651 (GRCm39) Y484H probably damaging Het
Pou3f3 C A 1: 42,736,560 (GRCm39) N85K unknown Het
Ppm1m C A 9: 106,075,144 (GRCm39) A134S probably damaging Het
Prdm11 A T 2: 92,806,106 (GRCm39) S281R possibly damaging Het
Prdm2 C A 4: 142,862,434 (GRCm39) L285F probably damaging Het
Ptchd3 C T 11: 121,721,939 (GRCm39) R271* probably null Het
Ptprq A C 10: 107,488,572 (GRCm39) V955G probably damaging Het
Pygb A T 2: 150,657,589 (GRCm39) M351L probably benign Het
Rcl1 G A 19: 29,095,805 (GRCm39) probably null Het
Sgip1 A T 4: 102,786,097 (GRCm39) T351S possibly damaging Het
Slc22a5 T C 11: 53,760,215 (GRCm39) N367S probably damaging Het
Sox6 A G 7: 115,143,830 (GRCm39) V437A probably benign Het
Spata16 T A 3: 26,721,572 (GRCm39) M31K possibly damaging Het
Stab1 C A 14: 30,879,372 (GRCm39) V703F possibly damaging Het
Tbc1d4 C T 14: 101,703,190 (GRCm39) G752R probably damaging Het
Tent4b G A 8: 88,978,913 (GRCm39) G505R probably null Het
Tes3-ps C T 13: 49,647,460 (GRCm39) A112V probably benign Het
Tnfrsf19 T C 14: 61,208,382 (GRCm39) T380A probably benign Het
Trim75 C T 8: 65,435,190 (GRCm39) G420E probably damaging Het
Txlnb A G 10: 17,703,712 (GRCm39) D290G probably benign Het
Unc5c T A 3: 141,534,238 (GRCm39) F920I possibly damaging Het
Vmn1r233 T A 17: 21,214,237 (GRCm39) R238* probably null Het
Vmn2r113 A G 17: 23,176,917 (GRCm39) E567G probably benign Het
Vmn2r97 T A 17: 19,150,662 (GRCm39) I503K probably damaging Het
Wdr62 A G 7: 29,964,584 (GRCm39) W387R probably damaging Het
Zfp36l2 A T 17: 84,495,090 (GRCm39) D11E probably benign Het
Other mutations in Cacna2d2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00401:Cacna2d2 APN 9 107,392,072 (GRCm39) missense probably damaging 1.00
IGL00425:Cacna2d2 APN 9 107,404,550 (GRCm39) missense probably damaging 1.00
IGL01294:Cacna2d2 APN 9 107,391,280 (GRCm39) missense probably damaging 1.00
IGL01969:Cacna2d2 APN 9 107,386,415 (GRCm39) missense probably benign
IGL01974:Cacna2d2 APN 9 107,394,621 (GRCm39) missense probably benign 0.00
IGL02001:Cacna2d2 APN 9 107,399,315 (GRCm39) missense probably benign
IGL02125:Cacna2d2 APN 9 107,391,103 (GRCm39) nonsense probably null
IGL02143:Cacna2d2 APN 9 107,395,474 (GRCm39) splice site probably null
IGL02150:Cacna2d2 APN 9 107,404,515 (GRCm39) splice site probably benign
IGL02213:Cacna2d2 APN 9 107,391,247 (GRCm39) missense probably damaging 1.00
IGL02220:Cacna2d2 APN 9 107,392,078 (GRCm39) missense probably damaging 1.00
IGL02238:Cacna2d2 APN 9 107,390,757 (GRCm39) missense probably damaging 0.99
IGL02466:Cacna2d2 APN 9 107,342,753 (GRCm39) missense probably damaging 1.00
IGL02569:Cacna2d2 APN 9 107,391,245 (GRCm39) missense probably damaging 0.99
IGL02571:Cacna2d2 APN 9 107,402,845 (GRCm39) missense possibly damaging 0.93
IGL02825:Cacna2d2 APN 9 107,401,659 (GRCm39) missense probably damaging 1.00
IGL03000:Cacna2d2 APN 9 107,401,397 (GRCm39) splice site probably null
IGL03064:Cacna2d2 APN 9 107,386,474 (GRCm39) missense probably damaging 1.00
Blow UTSW 9 107,390,805 (GRCm39) missense probably null 0.90
dilemma UTSW 9 107,392,063 (GRCm39) missense probably damaging 1.00
hera UTSW 9 107,390,479 (GRCm39) missense probably damaging 1.00
Ionian UTSW 9 107,402,575 (GRCm39) missense probably benign 0.05
Solomonic UTSW 9 107,401,861 (GRCm39) missense possibly damaging 0.94
PIT4131001:Cacna2d2 UTSW 9 107,401,867 (GRCm39) missense probably damaging 1.00
R0233:Cacna2d2 UTSW 9 107,391,869 (GRCm39) missense probably damaging 0.96
R0233:Cacna2d2 UTSW 9 107,391,869 (GRCm39) missense probably damaging 0.96
R0387:Cacna2d2 UTSW 9 107,391,080 (GRCm39) missense probably damaging 1.00
R0410:Cacna2d2 UTSW 9 107,401,819 (GRCm39) missense probably damaging 1.00
R0538:Cacna2d2 UTSW 9 107,401,582 (GRCm39) splice site probably benign
R0545:Cacna2d2 UTSW 9 107,402,422 (GRCm39) missense probably damaging 1.00
R0729:Cacna2d2 UTSW 9 107,394,456 (GRCm39) missense probably benign 0.06
R1024:Cacna2d2 UTSW 9 107,404,249 (GRCm39) critical splice donor site probably null
R1538:Cacna2d2 UTSW 9 107,394,615 (GRCm39) missense probably damaging 1.00
R1750:Cacna2d2 UTSW 9 107,401,843 (GRCm39) missense probably damaging 1.00
R1774:Cacna2d2 UTSW 9 107,403,350 (GRCm39) missense probably benign 0.19
R1800:Cacna2d2 UTSW 9 107,404,632 (GRCm39) missense possibly damaging 0.46
R1873:Cacna2d2 UTSW 9 107,391,071 (GRCm39) missense probably damaging 0.98
R1935:Cacna2d2 UTSW 9 107,386,455 (GRCm39) missense probably damaging 1.00
R1936:Cacna2d2 UTSW 9 107,386,455 (GRCm39) missense probably damaging 1.00
R1971:Cacna2d2 UTSW 9 107,389,205 (GRCm39) missense probably damaging 0.98
R2095:Cacna2d2 UTSW 9 107,404,364 (GRCm39) missense probably benign 0.05
R2135:Cacna2d2 UTSW 9 107,403,712 (GRCm39) missense possibly damaging 0.74
R2197:Cacna2d2 UTSW 9 107,404,602 (GRCm39) missense probably damaging 0.97
R2266:Cacna2d2 UTSW 9 107,390,479 (GRCm39) missense probably damaging 1.00
R2483:Cacna2d2 UTSW 9 107,389,221 (GRCm39) missense probably damaging 1.00
R4021:Cacna2d2 UTSW 9 107,391,257 (GRCm39) missense probably damaging 1.00
R4392:Cacna2d2 UTSW 9 107,277,479 (GRCm39) missense possibly damaging 0.47
R4629:Cacna2d2 UTSW 9 107,404,521 (GRCm39) missense probably damaging 1.00
R5053:Cacna2d2 UTSW 9 107,392,063 (GRCm39) missense probably damaging 1.00
R5327:Cacna2d2 UTSW 9 107,390,805 (GRCm39) missense probably null 0.90
R5347:Cacna2d2 UTSW 9 107,391,313 (GRCm39) missense probably benign
R5719:Cacna2d2 UTSW 9 107,401,851 (GRCm39) missense probably benign 0.36
R5737:Cacna2d2 UTSW 9 107,403,946 (GRCm39) missense possibly damaging 0.70
R5739:Cacna2d2 UTSW 9 107,389,528 (GRCm39) missense probably benign 0.37
R6037:Cacna2d2 UTSW 9 107,390,738 (GRCm39) missense probably damaging 1.00
R6037:Cacna2d2 UTSW 9 107,390,738 (GRCm39) missense probably damaging 1.00
R6084:Cacna2d2 UTSW 9 107,374,720 (GRCm39) critical splice donor site probably null
R6170:Cacna2d2 UTSW 9 107,404,533 (GRCm39) missense probably damaging 1.00
R6254:Cacna2d2 UTSW 9 107,386,415 (GRCm39) missense probably benign
R6427:Cacna2d2 UTSW 9 107,392,641 (GRCm39) missense possibly damaging 0.67
R7652:Cacna2d2 UTSW 9 107,401,397 (GRCm39) splice site probably null
R7850:Cacna2d2 UTSW 9 107,402,575 (GRCm39) missense probably benign 0.05
R7978:Cacna2d2 UTSW 9 107,395,456 (GRCm39) missense probably benign 0.14
R8039:Cacna2d2 UTSW 9 107,404,632 (GRCm39) missense possibly damaging 0.92
R8165:Cacna2d2 UTSW 9 107,402,653 (GRCm39) splice site probably null
R8274:Cacna2d2 UTSW 9 107,401,861 (GRCm39) missense possibly damaging 0.94
R8286:Cacna2d2 UTSW 9 107,392,063 (GRCm39) missense probably damaging 1.00
R8354:Cacna2d2 UTSW 9 107,401,334 (GRCm39) missense possibly damaging 0.95
R8464:Cacna2d2 UTSW 9 107,389,206 (GRCm39) missense probably damaging 0.99
R8479:Cacna2d2 UTSW 9 107,403,596 (GRCm39) critical splice donor site probably null
R8765:Cacna2d2 UTSW 9 107,394,358 (GRCm39) missense probably damaging 1.00
R8848:Cacna2d2 UTSW 9 107,391,855 (GRCm39) missense possibly damaging 0.75
R9037:Cacna2d2 UTSW 9 107,386,395 (GRCm39) missense probably benign 0.08
R9225:Cacna2d2 UTSW 9 107,403,403 (GRCm39) missense probably benign 0.10
R9295:Cacna2d2 UTSW 9 107,386,419 (GRCm39) missense probably benign 0.02
R9372:Cacna2d2 UTSW 9 107,394,802 (GRCm39) missense probably benign 0.00
R9414:Cacna2d2 UTSW 9 107,392,395 (GRCm39) missense probably damaging 1.00
R9417:Cacna2d2 UTSW 9 107,392,689 (GRCm39) nonsense probably null
R9435:Cacna2d2 UTSW 9 107,396,384 (GRCm39) missense probably benign 0.01
R9584:Cacna2d2 UTSW 9 107,277,404 (GRCm39) missense probably damaging 0.97
R9642:Cacna2d2 UTSW 9 107,392,627 (GRCm39) missense possibly damaging 0.94
R9784:Cacna2d2 UTSW 9 107,404,346 (GRCm39) missense probably benign 0.00
Z1176:Cacna2d2 UTSW 9 107,403,301 (GRCm39) missense probably benign 0.14
Z1176:Cacna2d2 UTSW 9 107,394,492 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TTCAGGCTCATGGTGACCAC -3'
(R):5'- TGTAGAGCCATGACATCCCTG -3'

Sequencing Primer
(F):5'- CAGCCTGTGAGAACTTTCAGG -3'
(R):5'- CTCTGGGGAAAGCCTTCTGTAC -3'
Posted On 2020-09-15