Incidental Mutation 'R5719:Cacna2d2'
ID 451359
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 043339-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.859) question?
Stock # R5719 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 107276948-107406545 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 107401851 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 762 (I762V)
Ref Sequence ENSEMBL: ENSMUSP00000010210 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000010210] [ENSMUST00000085092] [ENSMUST00000164988] [ENSMUST00000166799] [ENSMUST00000168532] [ENSMUST00000170737]
AlphaFold Q6PHS9
Predicted Effect probably benign
Transcript: ENSMUST00000010210
AA Change: I762V

PolyPhen 2 Score 0.358 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000010210
Gene: ENSMUSG00000010066
AA Change: I762V

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 benign
Transcript: ENSMUST00000085092
AA Change: I769V

PolyPhen 2 Score 0.357 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000082173
Gene: ENSMUSG00000010066
AA Change: I769V

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 benign
Transcript: ENSMUST00000164988
AA Change: I768V

PolyPhen 2 Score 0.135 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000130451
Gene: ENSMUSG00000010066
AA Change: I768V

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 probably benign
Transcript: ENSMUST00000166799
AA Change: I769V

PolyPhen 2 Score 0.357 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000126029
Gene: ENSMUSG00000010066
AA Change: I769V

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 benign
Transcript: ENSMUST00000168532
AA Change: I769V

PolyPhen 2 Score 0.357 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000132512
Gene: ENSMUSG00000010066
AA Change: I769V

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 noncoding transcript
Transcript: ENSMUST00000168959
Predicted Effect probably benign
Transcript: ENSMUST00000170737
AA Change: I762V

PolyPhen 2 Score 0.207 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000125943
Gene: ENSMUSG00000010066
AA Change: I762V

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000194842
Meta Mutation Damage Score 0.0921 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
Validation Efficiency 98% (79/81)
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: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A130051J06Rik C T 15: 95,688,641 (GRCm39) probably benign Het
A630001G21Rik T A 1: 85,651,106 (GRCm39) R110W probably benign Het
Abca4 T C 3: 121,928,915 (GRCm39) probably null Het
Abcc3 T C 11: 94,241,894 (GRCm39) N1379S probably damaging Het
Actrt3 A C 3: 30,652,276 (GRCm39) F273V probably benign Het
Adam22 T C 5: 8,417,217 (GRCm39) D75G probably benign Het
Ash1l C A 3: 88,961,805 (GRCm39) D2392E possibly damaging Het
Ash1l T C 3: 88,965,933 (GRCm39) I2445T probably damaging Het
Bltp2 T A 11: 78,164,071 (GRCm39) H1137Q probably damaging Het
Ccdc127 T A 13: 74,505,187 (GRCm39) probably benign Het
Ccdc91 C G 6: 147,477,001 (GRCm39) L230V unknown Het
Cdk13 A G 13: 17,894,240 (GRCm39) I1129T probably damaging Het
Cnot1 C T 8: 96,470,924 (GRCm39) R1308H possibly damaging Het
Crhr2 T C 6: 55,080,207 (GRCm39) H144R probably damaging Het
Dnmt1 T C 9: 20,823,891 (GRCm39) N993S possibly damaging Het
Eif4g1 T A 16: 20,507,761 (GRCm39) V1182D probably damaging Het
Eml2 G A 7: 18,935,088 (GRCm39) V432I probably damaging Het
Fam234a T A 17: 26,433,627 (GRCm39) Q399L possibly damaging Het
Fyb1 A T 15: 6,610,350 (GRCm39) K308* probably null Het
Gfral C T 9: 76,104,328 (GRCm39) R228Q probably benign Het
Gm10309 A T 17: 86,806,421 (GRCm39) probably benign Het
Gm11595 G A 11: 99,663,381 (GRCm39) R100C unknown Het
Gm5501 G A 18: 9,917,417 (GRCm39) noncoding transcript Het
Gm6309 A T 5: 146,104,992 (GRCm39) V307D probably benign Het
Gm9871 T A 6: 101,773,148 (GRCm39) noncoding transcript Het
Greb1l G A 18: 10,542,427 (GRCm39) E1341K probably damaging Het
Herc3 T A 6: 58,871,528 (GRCm39) V70E possibly damaging Het
Hes7 A G 11: 69,012,415 (GRCm39) E41G probably damaging Het
Ifi27l2b T C 12: 103,422,046 (GRCm39) D106G unknown Het
Igfbp6 A T 15: 102,056,616 (GRCm39) Y184F probably damaging Het
Isyna1 A G 8: 71,047,352 (GRCm39) Y25C probably damaging Het
Kcng3 G T 17: 83,938,563 (GRCm39) T162K possibly damaging Het
Krt36 T C 11: 99,994,987 (GRCm39) D195G possibly damaging Het
Lrwd1 A T 5: 136,161,093 (GRCm39) probably null Het
Lsg1 C T 16: 30,380,593 (GRCm39) A615T probably benign Het
Myo5a A T 9: 75,059,213 (GRCm39) E480D probably damaging Het
Myrf T A 19: 10,194,087 (GRCm39) D690V probably damaging Het
N4bp1 T C 8: 87,578,312 (GRCm39) I684M probably damaging Het
Nlrc3 C T 16: 3,781,589 (GRCm39) A607T probably damaging Het
Nuak1 A T 10: 84,245,584 (GRCm39) I87N probably damaging Het
Odad2 G T 18: 7,211,496 (GRCm39) Q793K probably benign Het
Or5p66 T G 7: 107,885,599 (GRCm39) T245P probably damaging Het
Or5w11 T C 2: 87,459,475 (GRCm39) probably null Het
Or8b4 A T 9: 37,830,647 (GRCm39) E236D probably damaging Het
Osbpl9 T A 4: 108,919,763 (GRCm39) R689* probably null Het
Ppargc1b T A 18: 61,440,639 (GRCm39) M744L probably benign Het
Prss40 A T 1: 34,591,598 (GRCm39) probably benign Het
Ptprd T A 4: 75,972,839 (GRCm39) probably null Het
Rft1 T C 14: 30,385,183 (GRCm39) probably benign Het
Rftn2 C T 1: 55,253,445 (GRCm39) V53I probably damaging Het
Rnaset2a T C 17: 8,350,879 (GRCm39) Y167C probably damaging Het
Schip1 T C 3: 68,315,560 (GRCm39) probably benign Het
Scn5a A C 9: 119,359,118 (GRCm39) L643R possibly damaging Het
Shroom3 T A 5: 93,090,877 (GRCm39) M1128K probably benign Het
Skint8 C A 4: 111,807,390 (GRCm39) L359M probably damaging Het
Slc14a2 A G 18: 78,252,257 (GRCm39) L18P probably benign Het
Slc22a3 C T 17: 12,642,691 (GRCm39) V509M probably damaging Het
Slc7a5 A C 8: 122,610,381 (GRCm39) F478V probably benign Het
Smc1b T A 15: 84,980,859 (GRCm39) N803I probably benign Het
Snf8 T A 11: 95,932,551 (GRCm39) N115K probably damaging Het
Stox2 T A 8: 47,866,172 (GRCm39) K57* probably null Het
Tmem248 T A 5: 130,258,429 (GRCm39) F41I probably damaging Het
Tmprss7 T C 16: 45,506,793 (GRCm39) S90G probably damaging Het
Top3b T C 16: 16,703,700 (GRCm39) V285A probably damaging Het
Tsen15 T C 1: 152,247,534 (GRCm39) T153A probably damaging Het
Usp34 T G 11: 23,304,846 (GRCm39) S360A probably benign Het
Wdr24 T C 17: 26,047,314 (GRCm39) probably null Het
Zbtb2 G A 10: 4,319,456 (GRCm39) T190I probably benign Het
Zranb3 T C 1: 127,891,613 (GRCm39) S788G 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
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
R7936:Cacna2d2 UTSW 9 107,401,326 (GRCm39) missense probably damaging 1.00
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'- GGGACCAAGATCTCAACACG -3'
(R):5'- CTGGCATTGAAGGGTTCAGG -3'

Sequencing Primer
(F):5'- GGACCAAGATCTCAACACGTATGC -3'
(R):5'- AGTCTTCGGCTGCCCTAGAG -3'
Posted On 2017-01-03