Incidental Mutation 'R5408:Cacna1a'
ID 426396
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 042977-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R5408 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 85276336 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 559 (V559A)
Gene Model predicted gene model for transcript(s): [ENSMUST00000121390] [ENSMUST00000122053]
AlphaFold P97445
Predicted Effect probably damaging
Transcript: ENSMUST00000121390
AA Change: V607A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: V607A

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: V560A

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: V560A

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 noncoding transcript
Transcript: ENSMUST00000129620
Predicted Effect probably damaging
Transcript: ENSMUST00000215756
AA Change: V559A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Meta Mutation Damage Score 0.2146 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.6%
Validation Efficiency 99% (74/75)
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
A430110L20Rik A G 1: 181,054,979 (GRCm39) noncoding transcript Het
Actn2 T C 13: 12,285,681 (GRCm39) I837V probably benign Het
Adora1 T A 1: 134,130,901 (GRCm39) T257S probably benign Het
Akap9 T A 5: 4,108,458 (GRCm39) M2954K possibly damaging Het
Akr1c13 G T 13: 4,244,715 (GRCm39) A98S probably benign Het
Aldh2 C T 5: 121,708,620 (GRCm39) probably benign Het
Ank1 A G 8: 23,572,209 (GRCm39) N48D probably damaging Het
Ash1l A G 3: 88,889,701 (GRCm39) T527A probably damaging Het
Atp13a1 T C 8: 70,249,490 (GRCm39) V251A probably benign Het
Baz1a A T 12: 54,969,835 (GRCm39) D608E probably damaging Het
Bend5 A T 4: 111,311,280 (GRCm39) probably null Het
Blm T G 7: 80,152,370 (GRCm39) T526P probably benign Het
Cacna2d4 A G 6: 119,325,752 (GRCm39) D1042G probably damaging Het
Cadps T C 14: 12,705,759 (GRCm38) H212R possibly damaging Het
Cdh3 T C 8: 107,263,269 (GRCm39) I106T probably damaging Het
Cenps C A 4: 149,214,658 (GRCm39) probably benign Het
Cfap68 T C 9: 50,676,057 (GRCm39) N87S probably damaging Het
Col16a1 A T 4: 129,986,898 (GRCm39) probably benign Het
Dctn6 C T 8: 34,562,056 (GRCm39) V89I possibly damaging Het
Dgkz C A 2: 91,766,168 (GRCm39) G798W possibly damaging Het
Epb41l2 A T 10: 25,343,992 (GRCm39) probably null Het
Fam171a2 T C 11: 102,328,344 (GRCm39) K805R possibly damaging Het
Fam89b G T 19: 5,779,421 (GRCm39) Y45* probably null Het
Fchsd2 A G 7: 100,920,781 (GRCm39) N462S possibly damaging Het
Fyco1 T G 9: 123,658,568 (GRCm39) H536P probably damaging Het
Galnt12 A T 4: 47,104,169 (GRCm39) E142D probably damaging Het
Gspt1 C T 16: 11,071,719 (GRCm39) G48D probably benign Het
H6pd A G 4: 150,067,322 (GRCm39) S355P probably damaging Het
Hectd2 T C 19: 36,532,296 (GRCm39) V38A possibly damaging Het
Jup C T 11: 100,267,607 (GRCm39) R572Q probably damaging Het
Kcng3 T C 17: 83,938,434 (GRCm39) D205G probably benign Het
Kif13b A T 14: 65,017,138 (GRCm39) probably null Het
Mapk3 A G 7: 126,363,007 (GRCm39) D253G probably damaging Het
Methig1 A T 15: 100,281,635 (GRCm39) Y253F possibly damaging Het
Mmp3 T C 9: 7,449,904 (GRCm39) S263P probably damaging Het
Mpo T A 11: 87,691,851 (GRCm39) probably null Het
Nbeal2 C A 9: 110,466,588 (GRCm39) G772W possibly damaging Het
Nr1d1 T A 11: 98,661,087 (GRCm39) H393L probably benign Het
Obscn A G 11: 58,942,437 (GRCm39) V4915A probably damaging Het
Olfml2b T A 1: 170,472,545 (GRCm39) W19R probably damaging Het
Or13p4 T C 4: 118,547,641 (GRCm39) T3A probably benign Het
Or56b1b C T 7: 108,164,376 (GRCm39) A209T probably damaging Het
Padi6 G A 4: 140,454,996 (GRCm39) T647I probably damaging Het
Pcyox1 A G 6: 86,369,280 (GRCm39) L113S probably damaging Het
Pde4dip T A 3: 97,704,052 (GRCm39) T192S probably benign Het
Pip4k2a T C 2: 18,911,119 (GRCm39) H87R probably benign Het
Pkd1l3 C A 8: 110,393,684 (GRCm39) T2004N probably damaging Het
Prex1 CGTTGTTGTTGT CGTTGTTGTTGTTGT 2: 166,417,573 (GRCm39) probably benign Het
Ptprz1 C T 6: 23,002,599 (GRCm39) T1563I probably damaging Het
Reg3b T C 6: 78,350,215 (GRCm39) V165A probably benign Het
Rreb1 A G 13: 38,115,320 (GRCm39) D893G probably benign Het
Sap18 A T 14: 58,039,431 (GRCm39) M78L probably benign Het
Scaper A T 9: 55,493,508 (GRCm39) F1226I probably damaging Het
Scyl3 A T 1: 163,782,245 (GRCm39) probably null Het
Shoc2 A G 19: 53,976,556 (GRCm39) M149V probably benign Het
Slc7a2 G A 8: 41,368,042 (GRCm39) R602K probably damaging Het
Sox30 A G 11: 45,882,694 (GRCm39) I575V possibly damaging Het
Trim14 A T 4: 46,507,134 (GRCm39) C361S possibly damaging Het
Ttn T C 2: 76,731,272 (GRCm39) probably benign Het
Uncx A T 5: 139,530,245 (GRCm39) K108* probably null Het
Usp54 A T 14: 20,600,501 (GRCm39) L1412Q probably damaging Het
Uty A G Y: 1,245,614 (GRCm39) V6A possibly damaging Het
Vmn1r30 C T 6: 58,412,029 (GRCm39) V268I probably benign Het
Wdsub1 T C 2: 59,691,887 (GRCm39) probably benign Het
Wipf3 A G 6: 54,458,896 (GRCm39) I84V probably benign Het
Xcr1 T A 9: 123,685,631 (GRCm39) I44F probably benign Het
Zfp687 T C 3: 94,916,586 (GRCm39) probably benign Het
Zfp729b A T 13: 67,739,563 (GRCm39) S901T probably benign Het
Zhx1 A T 15: 57,915,819 (GRCm39) M809K probably damaging Het
Zswim9 T C 7: 12,994,753 (GRCm39) K468E 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
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'- ACGAGCTCTCAGGTTATTGCG -3'
(R):5'- ATGATGGTCAGCTCAAAGGG -3'

Sequencing Primer
(F):5'- AGCTCTCAGGTTATTGCGAATTTTC -3'
(R):5'- TGGTCAGCTCAAAGGGGTCAG -3'
Posted On 2016-09-01