Incidental Mutation 'R6195:Cacna1a'
ID 502860
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 044335-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R6195 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85315382 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 1539 (Y1539C)
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: Y1539C

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: Y1539C

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: Y1492C

PolyPhen 2 Score 0.979 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: Y1492C

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 unknown
Transcript: ENSMUST00000215756
AA Change: Y1491C
Meta Mutation Damage Score 0.5931 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.8%
Validation Efficiency 97% (76/78)
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: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A130010J15Rik A G 1: 192,857,142 (GRCm39) probably null Het
Aadacl2fm2 G A 3: 59,659,623 (GRCm39) V359I probably damaging Het
Abtb1 T C 6: 88,817,718 (GRCm39) E50G probably benign Het
Agbl2 T A 2: 90,643,657 (GRCm39) D792E probably benign Het
Aoc1 C A 6: 48,885,611 (GRCm39) N705K probably damaging Het
Araf G T X: 20,726,339 (GRCm39) R601L probably damaging Homo
Arhgef7 C T 8: 11,872,017 (GRCm39) T701I probably damaging Het
Atg10 G T 13: 91,356,555 (GRCm39) probably null Het
Atp5f1c T C 2: 10,068,926 (GRCm39) I116M possibly damaging Het
Baz2b T A 2: 59,737,855 (GRCm39) Q1818L possibly damaging Het
Bod1 A G 11: 31,616,740 (GRCm39) *174Q probably null Het
Creb3 A G 4: 43,566,346 (GRCm39) D260G probably benign Het
Cyp1b1 G T 17: 80,021,695 (GRCm39) L16M probably damaging Het
Dhx29 T A 13: 113,101,071 (GRCm39) S1205T probably benign Het
Dlec1 A G 9: 118,966,321 (GRCm39) K1097E probably benign Het
Dnah7b G A 1: 46,243,429 (GRCm39) D1578N probably damaging Het
Dok3 T C 13: 55,671,389 (GRCm39) N394S probably benign Het
Dpcd A G 19: 45,565,458 (GRCm39) D144G probably damaging Het
Efhb A G 17: 53,769,580 (GRCm39) F243S possibly damaging Het
Eif2ak2 A T 17: 79,178,662 (GRCm39) Y137* probably null Het
Eif4e1b A G 13: 54,932,018 (GRCm39) N34S probably null Het
F2rl3 A G 8: 73,489,513 (GRCm39) T247A probably benign Het
Fan1 A T 7: 64,004,119 (GRCm39) H782Q probably damaging Het
Fer1l5 T C 1: 36,414,367 (GRCm39) probably null Het
Fer1l6 T C 15: 58,509,806 (GRCm39) S1423P probably damaging Het
Fetub C T 16: 22,751,081 (GRCm39) R143C probably damaging Het
Fgfbp1 T C 5: 44,136,704 (GRCm39) D196G possibly damaging Het
Fxn G A 19: 24,239,407 (GRCm39) R162C probably damaging Het
Fxr2 C T 11: 69,543,099 (GRCm39) T632M probably benign Het
Gab1 A T 8: 81,606,161 (GRCm39) Y24* probably null Het
Gcc2 T C 10: 58,106,806 (GRCm39) S681P probably damaging Het
Git2 T C 5: 114,905,175 (GRCm39) N94S probably benign Het
Gm5799 T G 14: 43,782,088 (GRCm39) L87V probably damaging Het
Golga7b A T 19: 42,251,886 (GRCm39) D44V probably benign Het
Hace1 T A 10: 45,546,539 (GRCm39) I391N possibly damaging Het
Hmcn2 T C 2: 31,274,127 (GRCm39) S1416P probably damaging Het
Hoxa11 G A 6: 52,222,681 (GRCm39) R7C probably damaging Het
Igkv14-126 A T 6: 67,873,475 (GRCm39) T68S possibly damaging Het
Insyn2a T C 7: 134,520,377 (GRCm39) D51G probably damaging Het
Itpr3 T C 17: 27,305,934 (GRCm39) I164T probably damaging Het
Kif22 A G 7: 126,628,131 (GRCm39) S540P probably damaging Het
Ldlr T A 9: 21,643,077 (GRCm39) C34* probably null Het
Lrrtm4 T C 6: 79,998,939 (GRCm39) L117P probably damaging Het
Mad2l1 G T 6: 66,514,612 (GRCm39) G94C possibly damaging Het
Malrd1 C A 2: 15,700,137 (GRCm39) H661Q probably damaging Het
Mical3 T A 6: 120,993,796 (GRCm39) probably benign Het
Mipep T A 14: 61,109,554 (GRCm39) W644R probably damaging Het
Mycl A G 4: 122,893,713 (GRCm39) D171G probably damaging Het
Myof A G 19: 37,901,805 (GRCm39) F997L possibly damaging Het
Nagpa C T 16: 5,021,613 (GRCm39) R46H probably damaging Het
Nf1 A G 11: 79,456,801 (GRCm39) Y629C probably damaging Het
Obscn T A 11: 58,888,033 (GRCm39) E2164V probably damaging Het
Or52h1 A T 7: 103,828,961 (GRCm39) V218D possibly damaging Het
Or5ac23 A G 16: 59,149,785 (GRCm39) V29A possibly damaging Het
Or5w19 T C 2: 87,698,904 (GRCm39) S190P possibly damaging Het
Or8k25 T C 2: 86,243,551 (GRCm39) I282V probably damaging Het
Pcdh20 T C 14: 88,705,488 (GRCm39) E604G probably benign Het
Pcdhb7 G A 18: 37,475,709 (GRCm39) V282I probably benign Het
Pcnx4 A G 12: 72,603,648 (GRCm39) D523G possibly damaging Het
Pigx G A 16: 31,903,404 (GRCm39) T219I probably damaging Het
Plch1 G T 3: 63,648,210 (GRCm39) P399Q probably damaging Het
Pvrig-ps T A 5: 138,340,537 (GRCm39) F74I possibly damaging Het
Rsrp1 T A 4: 134,654,113 (GRCm39) I255K probably damaging Het
Scn1a T A 2: 66,107,962 (GRCm39) Y1588F possibly damaging Het
Serpina9 T A 12: 103,967,666 (GRCm39) H243L probably damaging Het
Tapbp T C 17: 34,138,956 (GRCm39) L41P probably damaging Het
Tbc1d16 T A 11: 119,101,391 (GRCm39) K40* probably null Het
Tbc1d2 C T 4: 46,629,912 (GRCm39) G252R probably benign Het
Tbc1d23 T C 16: 57,051,713 (GRCm39) E6G possibly damaging Het
Tdrd6 A G 17: 43,940,643 (GRCm39) V135A probably damaging Het
Tmem87a A T 2: 120,222,656 (GRCm39) probably null Het
Tnrc18 T A 5: 142,750,928 (GRCm39) K1217N unknown Het
Trim33 G A 3: 103,244,848 (GRCm39) probably null Het
Ttn T A 2: 76,567,997 (GRCm39) Y27632F probably benign Het
Tubgcp6 A T 15: 89,006,994 (GRCm39) D9E probably benign Het
Uaca G A 9: 60,777,326 (GRCm39) R571Q probably damaging Het
Zfp655 T A 5: 145,180,572 (GRCm39) F143L possibly damaging 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
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
R7409:Cacna1a UTSW 8 85,260,031 (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'- TTGCTGCAAATAAAGGCACG -3'
(R):5'- AGACTTTTGCTGGGGACGAG -3'

Sequencing Primer
(F):5'- CACTTGGGAAGGCTGAGCTG -3'
(R):5'- AGGTCTTGGGGCCCAGAG -3'
Posted On 2018-02-27