Incidental Mutation 'R7409:Cacna1a'
ID 574930
Institutional Source Beutler Lab
Gene Symbol Cacna1a
Ensembl Gene ENSMUSG00000034656
Gene Name calcium channel, voltage-dependent, P/Q type, alpha 1A subunit
Synonyms Cacnl1a4, Ccha1a, SCA6, alpha1A, smrl, nmf352
MMRRC Submission 045490-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.936) question?
Stock # R7409 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 85260031 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 331 (D331E)
Ref Sequence ENSEMBL: ENSMUSP00000112436 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000121390] [ENSMUST00000122053]
AlphaFold P97445
Predicted Effect probably damaging
Transcript: ENSMUST00000121390
AA Change: D331E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: D331E

DomainStartEndE-ValueType
low complexity region 9 47 N/A INTRINSIC
Pfam:Ion_trans 99 373 1.5e-69 PFAM
Pfam:Ion_trans 488 727 1.2e-54 PFAM
Pfam:PKD_channel 578 721 6.6e-8 PFAM
low complexity region 920 959 N/A INTRINSIC
low complexity region 977 987 N/A INTRINSIC
low complexity region 1074 1093 N/A INTRINSIC
low complexity region 1143 1168 N/A INTRINSIC
Pfam:Ion_trans 1194 1472 4.9e-64 PFAM
Pfam:Ion_trans 1516 1773 2.8e-64 PFAM
Pfam:GPHH 1775 1844 5.6e-39 PFAM
Ca_chan_IQ 1899 1933 1.8e-12 SMART
AT_hook 2053 2065 2.02e0 SMART
low complexity region 2101 2113 N/A INTRINSIC
low complexity region 2153 2179 N/A INTRINSIC
low complexity region 2213 2236 N/A INTRINSIC
low complexity region 2253 2282 N/A INTRINSIC
low complexity region 2314 2325 N/A INTRINSIC
low complexity region 2342 2357 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000122053
AA Change: D284E

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: D284E

DomainStartEndE-ValueType
low complexity region 9 47 N/A INTRINSIC
Pfam:Ion_trans 91 314 4.5e-58 PFAM
PDB:4DEX|B 317 427 5e-45 PDB
Pfam:Ion_trans 476 668 6.4e-46 PFAM
Pfam:PKD_channel 530 675 7.7e-8 PFAM
low complexity region 873 912 N/A INTRINSIC
low complexity region 930 940 N/A INTRINSIC
low complexity region 1027 1046 N/A INTRINSIC
low complexity region 1096 1121 N/A INTRINSIC
Pfam:Ion_trans 1183 1414 2.8e-54 PFAM
Pfam:Ion_trans 1504 1714 3.2e-60 PFAM
Ca_chan_IQ 1852 1886 1.8e-12 SMART
AT_hook 2006 2018 2.02e0 SMART
low complexity region 2054 2066 N/A INTRINSIC
low complexity region 2106 2132 N/A INTRINSIC
low complexity region 2166 2189 N/A INTRINSIC
low complexity region 2206 2235 N/A INTRINSIC
low complexity region 2267 2278 N/A INTRINSIC
low complexity region 2295 2310 N/A INTRINSIC
Predicted Effect
Meta Mutation Damage Score 0.2258 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.6%
Validation Efficiency 98% (82/84)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Voltage-dependent calcium channels mediate the entry of calcium ions into excitable cells, and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, and gene expression. Calcium channels are multisubunit complexes composed of alpha-1, beta, alpha-2/delta, and gamma subunits. The channel activity is directed by the pore-forming alpha-1 subunit, whereas, the others act as auxiliary subunits regulating this activity. The distinctive properties of the calcium channel types are related primarily to the expression of a variety of alpha-1 isoforms, alpha-1A, B, C, D, E, and S. This gene encodes the alpha-1A subunit, which is predominantly expressed in neuronal tissue. Mutations in this gene are associated with 2 neurologic disorders, familial hemiplegic migraine and episodic ataxia 2. This gene also exhibits polymorphic variation due to (CAG)n-repeats. Multiple transcript variants encoding different isoforms have been found for this gene. In one set of transcript variants, the (CAG)n-repeats occur in the 3' UTR, and are not associated with any disease. But in another set of variants, an insertion extends the coding region to include the (CAG)n-repeats which encode a polyglutamine tract. Expansion of the (CAG)n-repeats from the normal 4-18 to 21-33 in the coding region is associated with spinocerebellar ataxia 6. [provided by RefSeq, Jul 2016]
PHENOTYPE: Homozygotes for different mutant alleles are characterized by variably severe wobbly gait beginning prior to weaning, ataxia, episodic dyskinesia, cerebellar atrophy, and absence epilepsy. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrb2 C T 4: 129,912,862 (GRCm39) A1329V probably benign Het
Aida A G 1: 183,099,809 (GRCm39) T215A probably benign Het
Alpk2 A G 18: 65,440,023 (GRCm39) S457P probably benign Het
Ap4b1 G A 3: 103,719,474 (GRCm39) V63I probably damaging Het
Apaf1 A G 10: 90,903,108 (GRCm39) V182A probably damaging Het
B4galnt4 G A 7: 140,646,916 (GRCm39) probably null Het
Bltp2 G T 11: 78,159,583 (GRCm39) R544L probably damaging Het
Carmil2 A G 8: 106,419,423 (GRCm39) probably null Het
Cdkn1b A T 6: 134,898,280 (GRCm39) Q133L probably benign Het
Cep192 G C 18: 67,967,874 (GRCm39) S786T possibly damaging Het
Cfap418 T A 4: 10,881,834 (GRCm39) C94S probably benign Het
Cfap97 G A 8: 46,645,733 (GRCm39) R537H probably benign Het
Clpx C G 9: 65,231,529 (GRCm39) A552G possibly damaging Het
Cryl1 G A 14: 57,523,842 (GRCm39) T240I probably damaging Het
Ddx60 C A 8: 62,411,612 (GRCm39) T488K probably benign Het
Dennd4b A G 3: 90,181,259 (GRCm39) H805R probably benign Het
Dnmbp T C 19: 43,878,996 (GRCm39) D25G unknown Het
Dysf A C 6: 84,126,664 (GRCm39) D1293A probably benign Het
Efl1 T C 7: 82,347,121 (GRCm39) L549P probably damaging Het
Eif5 T C 12: 111,506,697 (GRCm39) probably benign Het
Eva1c A G 16: 90,666,544 (GRCm39) K156E probably damaging Het
Fbxw10 T G 11: 62,767,606 (GRCm39) V814G possibly damaging Het
Gfap C T 11: 102,785,358 (GRCm39) R206Q probably benign Het
Gjb6 A T 14: 57,361,610 (GRCm39) L217* probably null Het
Gpatch11 T A 17: 79,146,595 (GRCm39) L80Q probably damaging Het
Gramd1b T C 9: 40,238,727 (GRCm39) Q225R probably damaging Het
Gsdmc2 A G 15: 63,705,195 (GRCm39) S173P possibly damaging Het
Hars1 C G 18: 36,903,166 (GRCm39) R388P probably damaging Het
Ighm C T 12: 113,385,852 (GRCm39) R129H Het
Igsf9 A G 1: 172,322,841 (GRCm39) I602V probably benign Het
Inpp4b T G 8: 82,679,314 (GRCm39) probably null Het
Itch C A 2: 155,041,302 (GRCm39) T450K probably damaging Het
Kcnq1 T C 7: 142,663,152 (GRCm39) F20L unknown Het
Kmt2d G T 15: 98,753,235 (GRCm39) A153E probably damaging Het
Macf1 T A 4: 123,398,263 (GRCm39) N750I probably damaging Het
Marveld2 T A 13: 100,747,984 (GRCm39) H365L probably damaging Het
Med13l T A 5: 118,892,386 (GRCm39) D1936E probably benign Het
Mettl8 A T 2: 70,803,687 (GRCm39) V200E probably damaging Het
Mrgbp T G 2: 180,227,135 (GRCm39) S157A possibly damaging Het
Mrps35 A G 6: 146,957,481 (GRCm39) T169A possibly damaging Het
Mycbp2 A T 14: 103,526,180 (GRCm39) Y551N probably damaging Het
Myo18b T C 5: 113,021,971 (GRCm39) R474G probably benign Het
Nfx1 T A 4: 41,021,830 (GRCm39) S979R possibly damaging Het
Nlrp1a T C 11: 71,013,634 (GRCm39) T539A probably benign Het
Oca2 T A 7: 56,064,145 (GRCm39) D713E probably benign Het
Omt2b A C 9: 78,235,894 (GRCm39) Y73S probably benign Het
Or10aa1 T A 1: 173,870,099 (GRCm39) H194Q probably benign Het
Or13a27 C T 7: 139,925,318 (GRCm39) V195I probably benign Het
Or6c38 A G 10: 128,929,081 (GRCm39) I254T probably damaging Het
Or6c69 A T 10: 129,748,120 (GRCm39) V9D possibly damaging Het
Pde11a G T 2: 75,836,328 (GRCm39) Q20K Het
Peg10 CCACATCAGGATCCACATCAGGATGCACATCAGCATCAGGATCCCCATCAGGATGCACATCAGGATCCACATCAGGATGCACATCAG CCACATCAGGATCCACATCAGGATGCACATCAG 6: 4,756,398 (GRCm39) probably benign Het
Phrf1 C A 7: 140,839,205 (GRCm39) T800K unknown Het
Polr1f T G 12: 33,486,988 (GRCm39) C150W possibly damaging Het
Pramel4 T C 4: 143,795,061 (GRCm39) S486P probably benign Het
Proc T C 18: 32,260,513 (GRCm39) D204G probably benign Het
Rasgrp3 T A 17: 75,823,411 (GRCm39) I494N possibly damaging Het
Samm50 A G 15: 84,081,231 (GRCm39) D53G probably benign Het
Satb1 T C 17: 52,116,217 (GRCm39) D22G possibly damaging Het
Scarf2 T C 16: 17,624,918 (GRCm39) S658P probably damaging Het
Sfta2 T A 17: 35,925,410 (GRCm39) I29K unknown Het
Slc15a4 A T 5: 127,681,742 (GRCm39) S292T probably benign Het
Slc37a1 C T 17: 31,559,237 (GRCm39) T439I probably damaging Het
Slc4a9 C A 18: 36,663,858 (GRCm39) P294Q probably damaging Het
Slc52a3 T C 2: 151,846,086 (GRCm39) S16P probably damaging Het
Slc6a15 A G 10: 103,244,163 (GRCm39) I468V probably benign Het
Spag17 T C 3: 99,934,547 (GRCm39) S610P possibly damaging Het
Spag17 A T 3: 99,941,475 (GRCm39) D738V probably benign Het
Ssbp4 T C 8: 71,050,617 (GRCm39) R269G unknown Het
Tbl1xr1 A G 3: 22,257,354 (GRCm39) T406A possibly damaging Het
Tep1 A T 14: 51,104,312 (GRCm39) V194D possibly damaging Het
Thbs4 A T 13: 92,909,767 (GRCm39) C343* probably null Het
Tmed10 A T 12: 85,391,065 (GRCm39) S158T possibly damaging Het
Trbv3 T A 6: 41,025,524 (GRCm39) V38E probably damaging Het
Ttc6 T C 12: 57,743,772 (GRCm39) M1258T probably damaging Het
Ttn T C 2: 76,589,320 (GRCm39) D21281G probably damaging Het
Usp54 T C 14: 20,602,313 (GRCm39) R1346G probably damaging Het
Vmn2r8 C A 5: 108,956,449 (GRCm39) E58* probably null Het
Vps13d C T 4: 144,867,824 (GRCm39) E2009K Het
Vps33b T C 7: 79,935,017 (GRCm39) I320T probably damaging Het
Vwa8 A C 14: 79,219,674 (GRCm39) probably null Het
Ythdf1 T C 2: 180,553,786 (GRCm39) Y143C probably damaging Het
Zfp213 C T 17: 23,778,603 (GRCm39) probably null Het
Zfp219 A T 14: 52,244,570 (GRCm39) Y536* probably null Het
Other mutations in Cacna1a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00507:Cacna1a APN 8 85,297,837 (GRCm39) nonsense probably null
IGL00513:Cacna1a APN 8 85,279,685 (GRCm39) missense probably damaging 1.00
IGL00569:Cacna1a APN 8 85,189,343 (GRCm39) missense probably damaging 1.00
IGL00981:Cacna1a APN 8 85,275,182 (GRCm39) missense probably damaging 1.00
IGL01122:Cacna1a APN 8 85,341,422 (GRCm39) critical splice donor site probably null
IGL01309:Cacna1a APN 8 85,249,657 (GRCm39) missense probably damaging 1.00
IGL01380:Cacna1a APN 8 85,285,746 (GRCm39) missense probably damaging 1.00
IGL01638:Cacna1a APN 8 85,298,456 (GRCm39) missense probably damaging 0.98
IGL01682:Cacna1a APN 8 85,263,067 (GRCm39) missense possibly damaging 0.71
IGL02751:Cacna1a APN 8 85,296,581 (GRCm39) missense probably damaging 1.00
IGL02904:Cacna1a APN 8 85,306,149 (GRCm39) missense probably damaging 1.00
IGL03122:Cacna1a APN 8 85,189,305 (GRCm39) splice site probably benign
totter UTSW 8 85,315,382 (GRCm39) missense probably damaging 0.99
totter2 UTSW 8 85,315,382 (GRCm39) missense probably damaging 0.99
FR4340:Cacna1a UTSW 8 85,365,352 (GRCm39) small insertion probably benign
FR4449:Cacna1a UTSW 8 85,365,352 (GRCm39) small insertion probably benign
FR4449:Cacna1a UTSW 8 85,365,349 (GRCm39) small insertion probably benign
FR4449:Cacna1a UTSW 8 85,365,343 (GRCm39) small insertion probably benign
FR4548:Cacna1a UTSW 8 85,365,346 (GRCm39) small insertion probably benign
FR4737:Cacna1a UTSW 8 85,365,355 (GRCm39) small insertion probably benign
FR4737:Cacna1a UTSW 8 85,365,349 (GRCm39) small insertion probably benign
FR4976:Cacna1a UTSW 8 85,365,355 (GRCm39) small insertion probably benign
FR4976:Cacna1a UTSW 8 85,365,346 (GRCm39) small insertion probably benign
IGL03134:Cacna1a UTSW 8 85,285,716 (GRCm39) missense probably damaging 1.00
R0055:Cacna1a UTSW 8 85,306,687 (GRCm39) splice site probably benign
R0118:Cacna1a UTSW 8 85,262,712 (GRCm39) missense probably damaging 1.00
R0284:Cacna1a UTSW 8 85,338,914 (GRCm39) missense probably damaging 1.00
R0581:Cacna1a UTSW 8 85,328,565 (GRCm39) missense possibly damaging 0.83
R0607:Cacna1a UTSW 8 85,356,460 (GRCm39) missense probably damaging 1.00
R1168:Cacna1a UTSW 8 85,306,130 (GRCm39) missense probably damaging 1.00
R1183:Cacna1a UTSW 8 85,306,846 (GRCm39) missense probably damaging 1.00
R1470:Cacna1a UTSW 8 85,241,579 (GRCm39) splice site probably benign
R1503:Cacna1a UTSW 8 85,328,575 (GRCm39) missense probably benign 0.23
R1522:Cacna1a UTSW 8 85,360,062 (GRCm39) missense probably benign 0.00
R1835:Cacna1a UTSW 8 85,307,986 (GRCm39) splice site probably null
R1862:Cacna1a UTSW 8 85,142,559 (GRCm39) missense possibly damaging 0.80
R2148:Cacna1a UTSW 8 85,356,304 (GRCm39) missense possibly damaging 0.71
R2237:Cacna1a UTSW 8 85,360,394 (GRCm39) critical splice donor site probably null
R2567:Cacna1a UTSW 8 85,276,354 (GRCm39) missense probably damaging 1.00
R2999:Cacna1a UTSW 8 85,294,371 (GRCm39) missense probably damaging 1.00
R3025:Cacna1a UTSW 8 85,306,854 (GRCm39) critical splice donor site probably null
R3610:Cacna1a UTSW 8 85,285,694 (GRCm39) missense probably damaging 1.00
R3702:Cacna1a UTSW 8 85,344,475 (GRCm39) missense probably damaging 0.98
R3763:Cacna1a UTSW 8 85,310,271 (GRCm39) missense possibly damaging 0.85
R4025:Cacna1a UTSW 8 85,307,962 (GRCm39) missense probably damaging 1.00
R4026:Cacna1a UTSW 8 85,307,962 (GRCm39) missense probably damaging 1.00
R4106:Cacna1a UTSW 8 85,310,324 (GRCm39) missense possibly damaging 0.85
R4296:Cacna1a UTSW 8 85,285,922 (GRCm39) missense probably damaging 1.00
R4664:Cacna1a UTSW 8 85,328,396 (GRCm39) nonsense probably null
R4713:Cacna1a UTSW 8 85,276,143 (GRCm39) missense probably damaging 1.00
R5223:Cacna1a UTSW 8 85,313,824 (GRCm39) missense possibly damaging 0.94
R5408:Cacna1a UTSW 8 85,276,336 (GRCm39) missense probably damaging 1.00
R5644:Cacna1a UTSW 8 85,189,406 (GRCm39) missense probably damaging 1.00
R5734:Cacna1a UTSW 8 85,310,360 (GRCm39) missense probably damaging 0.96
R5786:Cacna1a UTSW 8 85,142,350 (GRCm39) unclassified probably benign
R5833:Cacna1a UTSW 8 85,245,326 (GRCm39) missense probably damaging 1.00
R5886:Cacna1a UTSW 8 85,249,651 (GRCm39) missense probably damaging 0.99
R6049:Cacna1a UTSW 8 85,365,475 (GRCm39) missense probably damaging 0.96
R6054:Cacna1a UTSW 8 85,283,414 (GRCm39) missense probably damaging 0.99
R6117:Cacna1a UTSW 8 85,341,350 (GRCm39) missense probably damaging 1.00
R6149:Cacna1a UTSW 8 85,296,581 (GRCm39) missense probably damaging 1.00
R6195:Cacna1a UTSW 8 85,315,382 (GRCm39) missense probably damaging 0.99
R6233:Cacna1a UTSW 8 85,315,382 (GRCm39) missense probably damaging 0.99
R6607:Cacna1a UTSW 8 85,306,121 (GRCm39) missense probably damaging 1.00
R6753:Cacna1a UTSW 8 85,306,834 (GRCm39) missense probably damaging 1.00
R6798:Cacna1a UTSW 8 85,338,231 (GRCm39) missense probably damaging 1.00
R6831:Cacna1a UTSW 8 85,297,860 (GRCm39) missense probably damaging 1.00
R6980:Cacna1a UTSW 8 85,338,914 (GRCm39) missense possibly damaging 0.85
R7051:Cacna1a UTSW 8 85,356,544 (GRCm39) missense possibly damaging 0.85
R7270:Cacna1a UTSW 8 85,297,866 (GRCm39) missense probably damaging 1.00
R7491:Cacna1a UTSW 8 85,285,922 (GRCm39) missense possibly damaging 0.92
R7511:Cacna1a UTSW 8 85,294,311 (GRCm39) missense possibly damaging 0.75
R7745:Cacna1a UTSW 8 85,286,023 (GRCm39) missense probably benign 0.01
R7872:Cacna1a UTSW 8 85,310,283 (GRCm39) missense probably damaging 1.00
R7899:Cacna1a UTSW 8 85,320,802 (GRCm39) missense possibly damaging 0.72
R7986:Cacna1a UTSW 8 85,365,408 (GRCm39) missense probably benign 0.02
R8126:Cacna1a UTSW 8 85,359,881 (GRCm39) missense probably benign 0.02
R8266:Cacna1a UTSW 8 85,285,848 (GRCm39) missense probably damaging 1.00
R8458:Cacna1a UTSW 8 85,276,087 (GRCm39) missense probably damaging 1.00
R8504:Cacna1a UTSW 8 85,365,370 (GRCm39) missense probably benign
R8530:Cacna1a UTSW 8 85,339,043 (GRCm39) critical splice donor site probably null
R8750:Cacna1a UTSW 8 85,285,784 (GRCm39) missense probably damaging 0.99
R8817:Cacna1a UTSW 8 85,365,426 (GRCm39) missense probably benign 0.44
R8856:Cacna1a UTSW 8 85,286,070 (GRCm39) missense probably benign 0.30
R8893:Cacna1a UTSW 8 85,313,764 (GRCm39) missense probably benign 0.00
R9083:Cacna1a UTSW 8 85,344,511 (GRCm39) missense probably benign 0.30
R9087:Cacna1a UTSW 8 85,365,432 (GRCm39) missense probably benign 0.44
R9118:Cacna1a UTSW 8 85,262,715 (GRCm39) missense probably damaging 1.00
R9133:Cacna1a UTSW 8 85,276,152 (GRCm39) missense probably damaging 1.00
R9175:Cacna1a UTSW 8 85,296,644 (GRCm39) missense probably damaging 0.99
R9233:Cacna1a UTSW 8 85,271,283 (GRCm39) missense probably damaging 1.00
R9310:Cacna1a UTSW 8 85,263,046 (GRCm39) missense probably damaging 1.00
R9331:Cacna1a UTSW 8 85,142,446 (GRCm39) missense probably damaging 1.00
R9334:Cacna1a UTSW 8 85,296,594 (GRCm39) missense probably damaging 1.00
R9531:Cacna1a UTSW 8 85,320,801 (GRCm39) missense probably benign 0.02
R9532:Cacna1a UTSW 8 85,338,246 (GRCm39) missense probably damaging 1.00
R9590:Cacna1a UTSW 8 85,328,610 (GRCm39) nonsense probably null
R9710:Cacna1a UTSW 8 85,320,808 (GRCm39) missense possibly damaging 0.74
RF029:Cacna1a UTSW 8 85,365,353 (GRCm39) small insertion probably benign
X0022:Cacna1a UTSW 8 85,360,328 (GRCm39) missense possibly damaging 0.53
Z1176:Cacna1a UTSW 8 85,142,305 (GRCm39) missense unknown
Z1177:Cacna1a UTSW 8 85,306,120 (GRCm39) missense probably damaging 1.00
Z1188:Cacna1a UTSW 8 85,241,683 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTGACATGAGACAGCTTTGTCC -3'
(R):5'- CTTGCTGACTGAAACCAGGAAG -3'

Sequencing Primer
(F):5'- GTATCTTGGTGATAGCCCCCAAAC -3'
(R):5'- CTGAAACCAGGAAGGAAGTTTCTTC -3'
Posted On 2019-10-07