Incidental Mutation 'R2135:Cacna2d2'
ID 235731
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 040138-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.859) question?
Stock # R2135 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 107276948-107406545 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 107403712 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Isoleucine at position 992 (L992I)
Ref Sequence ENSEMBL: ENSMUSP00000132512 (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: L986I

PolyPhen 2 Score 0.352 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000010210
Gene: ENSMUSG00000010066
AA Change: L986I

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 possibly damaging
Transcript: ENSMUST00000085092
AA Change: L992I

PolyPhen 2 Score 0.742 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000082173
Gene: ENSMUSG00000010066
AA Change: L992I

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: L992I

PolyPhen 2 Score 0.276 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000130451
Gene: ENSMUSG00000010066
AA Change: L992I

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: L993I

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000126029
Gene: ENSMUSG00000010066
AA Change: L993I

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 possibly damaging
Transcript: ENSMUST00000168532
AA Change: L992I

PolyPhen 2 Score 0.742 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000132512
Gene: ENSMUSG00000010066
AA Change: L992I

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: L986I

PolyPhen 2 Score 0.234 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000125943
Gene: ENSMUSG00000010066
AA Change: L986I

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 0.0722 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.6%
Validation Efficiency 100% (70/70)
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
4930522L14Rik A T 5: 109,885,509 (GRCm39) H116Q probably benign Het
Adamts16 C A 13: 70,949,126 (GRCm39) L178F probably damaging Het
Adgrv1 A G 13: 81,672,676 (GRCm39) probably null Het
Akap9 A G 5: 4,114,509 (GRCm39) T46A probably damaging Het
Ankrd2 T C 19: 42,032,498 (GRCm39) L253P probably damaging Het
Arap3 T C 18: 38,107,509 (GRCm39) D1336G probably damaging Het
Cdhr2 T A 13: 54,868,760 (GRCm39) I574N probably damaging Het
Cecr2 C T 6: 120,697,923 (GRCm39) T74M probably damaging Het
Ces5a C A 8: 94,226,369 (GRCm39) E481D probably benign Het
Cfap74 C G 4: 155,514,397 (GRCm39) N544K probably damaging Het
Cfap74 T A 4: 155,514,408 (GRCm39) L548Q probably damaging Het
Cfb C T 17: 35,076,254 (GRCm39) V1145I possibly damaging Het
CK137956 A G 4: 127,845,433 (GRCm39) probably benign Het
Commd10 T A 18: 47,123,604 (GRCm39) L153Q possibly damaging Het
Cox6c T C 15: 35,937,429 (GRCm39) probably benign Het
Dock4 A G 12: 40,795,667 (GRCm39) Y828C probably benign Het
Ermp1 T C 19: 29,623,465 (GRCm39) D119G possibly damaging Het
Ext1 G T 15: 52,965,140 (GRCm39) Q409K possibly damaging Het
Fat4 A T 3: 39,034,882 (GRCm39) I2845F probably damaging Het
Frmd6 A G 12: 70,941,771 (GRCm39) N494S probably benign Het
Fscn3 A G 6: 28,431,583 (GRCm39) T305A probably benign Het
Gbx1 G T 5: 24,731,220 (GRCm39) R199S possibly damaging Het
Gm11437 T C 11: 84,044,638 (GRCm39) R192G probably damaging Het
Gucy2c T A 6: 136,700,726 (GRCm39) D572V probably damaging Het
Idh1 A C 1: 65,201,078 (GRCm39) M291R probably damaging Het
Kcnt2 A G 1: 140,356,551 (GRCm39) Y330C probably damaging Het
Kdm4a A G 4: 117,999,656 (GRCm39) L922P probably damaging Het
L3mbtl2 A G 15: 81,566,215 (GRCm39) D346G possibly damaging Het
Lsm14a A G 7: 34,070,609 (GRCm39) S96P probably damaging Het
Ltn1 A G 16: 87,179,601 (GRCm39) L1520P probably damaging Het
Marchf6 A T 15: 31,509,910 (GRCm39) C26* probably null Het
Msra G A 14: 64,360,657 (GRCm39) P228L probably damaging Het
Mycbp2 A T 14: 103,383,378 (GRCm39) D395E probably benign Het
Mycbp2 T C 14: 103,446,329 (GRCm39) Y1800C probably damaging Het
Ncr1 C A 7: 4,343,756 (GRCm39) probably benign Het
Nkd1 T C 8: 89,318,278 (GRCm39) I201T probably benign Het
Nsrp1 A T 11: 76,945,834 (GRCm39) probably benign Het
Or2t48 A C 11: 58,420,611 (GRCm39) I67S probably damaging Het
Or7e177 T A 9: 20,211,593 (GRCm39) D32E probably benign Het
Pate5 A C 9: 35,750,479 (GRCm39) probably null Het
Pkdrej T C 15: 85,700,707 (GRCm39) Y1743C probably damaging Het
Plekha5 T A 6: 140,526,225 (GRCm39) H281Q possibly damaging Het
Ppp2r3d A C 9: 101,088,757 (GRCm39) M522R probably damaging Het
Prdm12 T C 2: 31,530,325 (GRCm39) F72S possibly damaging Het
Prima1 A T 12: 103,168,949 (GRCm39) F106L probably damaging Het
Ptchd4 A G 17: 42,627,965 (GRCm39) H142R probably benign Het
Rasgrf2 G A 13: 92,120,374 (GRCm39) A793V probably benign Het
Rbsn T A 6: 92,166,854 (GRCm39) M597L probably benign Het
Ripk4 A T 16: 97,544,933 (GRCm39) D571E probably damaging Het
Rp9 T C 9: 22,379,425 (GRCm39) K25E possibly damaging Het
Sec31b T C 19: 44,523,135 (GRCm39) S211G probably damaging Het
Shank2 C T 7: 143,964,971 (GRCm39) P1070S probably damaging Het
Sla A G 15: 66,654,563 (GRCm39) V241A probably benign Het
Slc25a40 A G 5: 8,477,489 (GRCm39) T25A possibly damaging Het
Slc3a2 A G 19: 8,685,608 (GRCm39) S164P probably benign Het
Slc7a5 A T 8: 122,610,444 (GRCm39) W457R probably null Het
Slco6c1 A G 1: 97,032,542 (GRCm39) M303T probably benign Het
Smim10l1 T C 6: 133,082,489 (GRCm39) F12S probably damaging Het
Syne2 A G 12: 75,999,560 (GRCm39) I2318V probably damaging Het
Tecta A C 9: 42,251,581 (GRCm39) C1781G probably damaging Het
Timmdc1 A T 16: 38,319,313 (GRCm39) H280Q probably benign Het
Tktl2 G A 8: 66,964,999 (GRCm39) V186M probably damaging Het
Tmem30b A G 12: 73,592,107 (GRCm39) L336P probably damaging Het
Tmem94 A G 11: 115,685,575 (GRCm39) I943V probably benign Het
Tshb A G 3: 102,685,464 (GRCm39) probably null Het
Vcpip1 A G 1: 9,818,035 (GRCm39) V116A probably benign Het
Vmn2r76 A G 7: 85,880,219 (GRCm39) Y156H probably benign Het
Zcrb1 T C 15: 93,295,067 (GRCm39) N23S probably damaging Het
Zfyve26 T C 12: 79,292,826 (GRCm39) R2108G possibly damaging 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
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
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'- GCCCACCATTGCAGATTTC -3'
(R):5'- TGTTTCATGACGCAGCTGCTC -3'

Sequencing Primer
(F):5'- CCTTAACTTGGCCTGGTGGAC -3'
(R):5'- TCAGCTTCTGCCGGGTCTG -3'
Posted On 2014-10-01