Incidental Mutation 'R5223:Cacna1a'
ID 402431
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 042796-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R5223 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 85313824 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Methionine at position 1533 (V1533M)
Ref Sequence ENSEMBL: ENSMUSP00000112436 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000121390] [ENSMUST00000122053]
AlphaFold P97445
Predicted Effect possibly damaging
Transcript: ENSMUST00000121390
AA Change: V1533M

PolyPhen 2 Score 0.944 (Sensitivity: 0.80; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: V1533M

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 possibly damaging
Transcript: ENSMUST00000122053
AA Change: V1486M

PolyPhen 2 Score 0.872 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: V1486M

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: V1485M
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.6%
  • 20x: 93.2%
Validation Efficiency
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: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk C T 11: 119,904,278 (GRCm39) V273M possibly damaging Het
Acin1 CCGC CC 14: 54,880,398 (GRCm39) probably null Het
Acvr1b T A 15: 101,091,857 (GRCm39) C46S probably damaging Het
Ahi1 A T 10: 20,846,818 (GRCm39) H416L possibly damaging Het
Aspm T A 1: 139,406,072 (GRCm39) L1653Q probably damaging Het
Ccdc33 C T 9: 57,940,267 (GRCm39) E502K possibly damaging Het
Ctnnd1 C T 2: 84,447,133 (GRCm39) V371M probably damaging Het
Cyp2a12 A T 7: 26,735,888 (GRCm39) probably null Het
Dnai4 T A 4: 102,906,600 (GRCm39) S738C possibly damaging Het
Ep400 A G 5: 110,816,496 (GRCm39) V2675A probably damaging Het
Foxh1 T A 15: 76,552,929 (GRCm39) probably null Het
Gad1-ps G A 10: 99,281,009 (GRCm39) noncoding transcript Het
Gpnmb C T 6: 49,033,139 (GRCm39) T539M probably benign Het
Hdac1-ps A G 17: 78,799,867 (GRCm39) E286G probably benign Het
Hspa9 A G 18: 35,085,724 (GRCm39) probably null Het
Hspg2 T C 4: 137,271,225 (GRCm39) L2454P probably damaging Het
Ift140 T A 17: 25,254,786 (GRCm39) I422N probably benign Het
Igkv6-32 T C 6: 70,051,207 (GRCm39) S50G probably benign Het
Il23r T A 6: 67,463,154 (GRCm39) Y113F probably benign Het
Kcnt1 A G 2: 25,793,434 (GRCm39) D636G probably benign Het
Klhl41 G A 2: 69,510,171 (GRCm39) W569* probably null Het
Klra4 T A 6: 130,039,110 (GRCm39) D94V probably damaging Het
Lca5 T A 9: 83,280,666 (GRCm39) H378L probably benign Het
Lhx8 T A 3: 154,027,281 (GRCm39) T254S probably damaging Het
Lrch3 C T 16: 32,734,767 (GRCm39) R86W probably damaging Het
Lrp2 T A 2: 69,354,397 (GRCm39) N477I probably damaging Het
Man2a1 T A 17: 65,019,266 (GRCm39) I710K probably benign Het
Ncor1 A T 11: 62,229,826 (GRCm39) Y881N probably damaging Het
Nhsl1 T A 10: 18,402,074 (GRCm39) V1100E probably damaging Het
Oprk1 T C 1: 5,659,519 (GRCm39) V83A probably benign Het
Or4p8 T C 2: 88,727,678 (GRCm39) T88A probably benign Het
Or5p62 A G 7: 107,771,915 (GRCm39) V12A probably benign Het
Or7g35 T C 9: 19,496,322 (GRCm39) V163A probably benign Het
Pacs1 C T 19: 5,195,169 (GRCm39) V472I probably benign Het
Pard3b T C 1: 62,383,272 (GRCm39) Y789H probably damaging Het
Pcdha2 T C 18: 37,073,844 (GRCm39) Y492H probably damaging Het
Pcnt T C 10: 76,216,106 (GRCm39) N2261D probably damaging Het
Pex5l A T 3: 33,012,945 (GRCm39) S15T probably damaging Het
Plekhg4 A G 8: 106,105,581 (GRCm39) N682S probably benign Het
Poc5 A T 13: 96,539,463 (GRCm39) M335L probably benign Het
Polr1a C T 6: 71,944,891 (GRCm39) R1316W possibly damaging Het
Pp2d1 T C 17: 53,814,873 (GRCm39) H617R probably benign Het
Pramel24 T A 4: 143,454,591 (GRCm39) S296R probably benign Het
Prpsap1 T C 11: 116,378,974 (GRCm39) K65E probably benign Het
Ptgfrn T C 3: 100,952,909 (GRCm39) E775G probably benign Het
Ptprc T A 1: 138,045,600 (GRCm39) I87F probably benign Het
Rbbp8 C A 18: 11,854,747 (GRCm39) A324E probably benign Het
Rfx6 G T 10: 51,554,092 (GRCm39) G63* probably null Het
Rpl37a T C 1: 72,751,308 (GRCm39) M47T probably benign Het
Samm50 T G 15: 84,084,831 (GRCm39) N187K probably benign Het
Skic2 A G 17: 35,064,142 (GRCm39) probably null Het
Slamf9 T C 1: 172,303,799 (GRCm39) I48T possibly damaging Het
Slc2a12 A G 10: 22,577,931 (GRCm39) K576E probably damaging Het
Slc4a10 G A 2: 62,083,710 (GRCm39) G388S probably damaging Het
Smtn G T 11: 3,479,530 (GRCm39) N512K probably benign Het
Sntb1 C G 15: 55,506,191 (GRCm39) G461R probably damaging Het
Sspo A G 6: 48,455,258 (GRCm39) Y3040C probably damaging Het
Stat1 T A 1: 52,183,401 (GRCm39) V389E probably damaging Het
Sult5a1 A T 8: 123,872,161 (GRCm39) M227K probably damaging Het
Thsd4 T C 9: 59,964,325 (GRCm39) D389G probably damaging Het
Tnxb T C 17: 34,923,052 (GRCm39) V2545A possibly damaging Het
Tpo T A 12: 30,142,589 (GRCm39) I712F probably damaging Het
Trim62 T C 4: 128,803,204 (GRCm39) V418A probably damaging Het
Uqcrc1 C A 9: 108,771,224 (GRCm39) H95N probably damaging Het
Vmn2r114 ATTT ATT 17: 23,509,906 (GRCm39) probably null Het
Vmn2r66 T C 7: 84,657,093 (GRCm39) D104G probably benign Het
Wdr26 T C 1: 181,015,251 (GRCm39) I371V probably benign Het
Zfp273 T G 13: 67,974,298 (GRCm39) C475W probably damaging Het
Zfp738 G T 13: 67,821,182 (GRCm39) T55K probably damaging Het
Zmym2 A G 14: 57,183,971 (GRCm39) I978V probably benign 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
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
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'- ATCTGGACAACTGCACCAGG -3'
(R):5'- ATATCAGAGAACTGCAGAGCC -3'

Sequencing Primer
(F):5'- AGGCTATAAATGGCTGGCATCCC -3'
(R):5'- GAACTGCAGAGCCCAGCC -3'
Posted On 2016-07-22