Incidental Mutation 'R9310:Cacna1a'
ID 705476
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
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R9310 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 85263046 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Glutamic Acid at position 407 (A407E)
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: A407E

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: A407E

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: A360E

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: A360E

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.7%
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: 95 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700030J22Rik T C 8: 117,698,859 (GRCm39) I83V possibly damaging Het
Abcf1 G A 17: 36,272,621 (GRCm39) A288V probably null Het
Acer1 A T 17: 57,262,598 (GRCm39) V184D probably damaging Het
Apoh T C 11: 108,298,307 (GRCm39) probably null Het
Arid1a T C 4: 133,413,625 (GRCm39) Y959C unknown Het
Asb3 A T 11: 30,978,962 (GRCm39) H84L probably benign Het
Atxn1 A C 13: 45,721,494 (GRCm39) Y134D probably damaging Het
Btbd1 T C 7: 81,478,985 (GRCm39) Y52C probably damaging Het
Cabp2 A G 19: 4,136,464 (GRCm39) D170G probably damaging Het
Cacna2d4 T A 6: 119,248,914 (GRCm39) probably null Het
Cc2d2a T C 5: 43,852,488 (GRCm39) F404S probably damaging Het
Cdh20 T C 1: 104,875,061 (GRCm39) M281T probably damaging Het
Cfap54 A T 10: 92,798,177 (GRCm39) M1694K unknown Het
Chd6 G T 2: 160,881,181 (GRCm39) T261K probably damaging Het
Cnksr1 T C 4: 133,956,330 (GRCm39) S585G probably damaging Het
Cntnap2 A T 6: 45,978,281 (GRCm39) Y312F probably damaging Het
Coa7 T A 4: 108,195,510 (GRCm39) Y146* probably null Het
Col28a1 T C 6: 8,175,414 (GRCm39) K145E unknown Het
Coq8b T A 7: 26,941,486 (GRCm39) I221N probably damaging Het
Cpd A T 11: 76,705,607 (GRCm39) L375* probably null Het
Dnah5 T C 15: 28,448,579 (GRCm39) F4214S probably damaging Het
Dnai3 C T 3: 145,802,895 (GRCm39) probably null Het
Dock2 A G 11: 34,244,139 (GRCm39) F1067S possibly damaging Het
Dpp6 G A 5: 27,836,439 (GRCm39) A310T probably damaging Het
Dpp6 C A 5: 27,930,642 (GRCm39) L825I probably benign Het
Efcab5 A G 11: 77,004,531 (GRCm39) V929A probably benign Het
Ephx3 C G 17: 32,408,290 (GRCm39) D45H probably benign Het
Espl1 G A 15: 102,205,285 (GRCm39) probably null Het
Firrm A G 1: 163,792,089 (GRCm39) C610R probably damaging Het
Gm4847 T C 1: 166,460,281 (GRCm39) R402G probably benign Het
Grid1 T C 14: 34,748,762 (GRCm39) L194S probably damaging Het
Heatr1 A T 13: 12,453,491 (GRCm39) H2122L probably benign Het
Il17b T A 18: 61,825,334 (GRCm39) C123* probably null Het
Il17rc T C 6: 113,451,210 (GRCm39) L181P probably damaging Het
Inpp5e T A 2: 26,287,940 (GRCm39) I619L probably benign Het
Itgax C A 7: 127,741,432 (GRCm39) Y814* probably null Het
Marcks C T 10: 37,012,487 (GRCm39) E183K unknown Het
Mefv T C 16: 3,533,252 (GRCm39) T340A probably benign Het
Mical2 A G 7: 111,950,920 (GRCm39) K958R probably benign Het
Mrtfb T A 16: 13,218,954 (GRCm39) D533E probably benign Het
Mtor T A 4: 148,553,834 (GRCm39) L811Q probably benign Het
Myh4 A G 11: 67,145,570 (GRCm39) Y1351C probably damaging Het
Neb T C 2: 52,153,708 (GRCm39) M2406V probably benign Het
Nebl T C 2: 17,353,678 (GRCm39) T214A probably benign Het
Nlrx1 A T 9: 44,164,705 (GRCm39) I913N probably damaging Het
Npr2 G T 4: 43,632,404 (GRCm39) A74S probably benign Het
Or4c115 T A 2: 88,928,257 (GRCm39) S5C probably damaging Het
Or6b6 C A 7: 106,570,678 (GRCm39) C291F probably damaging Het
Or6c88 T A 10: 129,406,687 (GRCm39) N54K probably benign Het
Pard3b G T 1: 62,205,528 (GRCm39) V441F probably damaging Het
Pcsk1 G A 13: 75,238,191 (GRCm39) R4K probably benign Het
Pisd G T 5: 32,894,784 (GRCm39) N337K possibly damaging Het
Pml T C 9: 58,156,945 (GRCm39) K10R probably benign Het
Prkci T C 3: 31,083,664 (GRCm39) W132R probably damaging Het
Prrc2a A T 17: 35,374,975 (GRCm39) M1225K probably benign Het
Prss23 T C 7: 89,159,142 (GRCm39) D309G probably damaging Het
Pxdn G A 12: 30,052,051 (GRCm39) G743S probably damaging Het
Rab29 A T 1: 131,799,860 (GRCm39) E145V probably damaging Het
Rasef C T 4: 73,653,956 (GRCm39) probably null Het
Rcbtb1 T G 14: 59,472,699 (GRCm39) I496S probably benign Het
Rcor1 T C 12: 111,066,393 (GRCm39) Y228H Het
Reep5 C T 18: 34,490,222 (GRCm39) V92I probably damaging Het
Rfx3 T C 19: 27,827,329 (GRCm39) S86G probably benign Het
Rptn T A 3: 93,304,384 (GRCm39) D572E probably benign Het
Rsl1 A T 13: 67,324,510 (GRCm39) probably null Het
Sbf2 T C 7: 109,914,292 (GRCm39) E1630G possibly damaging Het
Sele G A 1: 163,876,975 (GRCm39) V84I probably benign Het
Serpina1b T C 12: 103,698,756 (GRCm39) D31G probably benign Het
Serpina3c T C 12: 104,115,813 (GRCm39) I244V probably benign Het
Serpinb6e A G 13: 34,017,204 (GRCm39) V272A probably benign Het
Serpinb9b A G 13: 33,219,523 (GRCm39) D150G probably benign Het
Sgpp1 T C 12: 75,769,374 (GRCm39) T265A probably benign Het
Slc9a1 T A 4: 133,143,681 (GRCm39) M389K probably damaging Het
Slco3a1 A T 7: 74,204,236 (GRCm39) C35S probably damaging Het
Slco6d1 T A 1: 98,427,619 (GRCm39) V650E possibly damaging Het
Slit2 T C 5: 48,349,568 (GRCm39) V274A possibly damaging Het
Snd1 A G 6: 28,795,936 (GRCm39) E593G probably null Het
Spata2l C T 8: 123,960,873 (GRCm39) V139M probably benign Het
Suco T C 1: 161,684,427 (GRCm39) K231R probably damaging Het
Tenm3 C A 8: 49,008,935 (GRCm39) probably benign Het
Tg T C 15: 66,699,118 (GRCm39) S2415P possibly damaging Het
Traf6 C A 2: 101,527,072 (GRCm39) A274D possibly damaging Het
Usp14 A G 18: 9,996,239 (GRCm39) I447T possibly damaging Het
Usp32 G A 11: 84,942,028 (GRCm39) L355F probably benign Het
Vcpip1 T C 1: 9,817,927 (GRCm39) N152S possibly damaging Het
Vgf A G 5: 137,061,110 (GRCm39) Q424R probably benign Het
Vmn2r84 A T 10: 130,227,993 (GRCm39) M81K possibly damaging Het
Washc5 G A 15: 59,218,067 (GRCm39) A732V possibly damaging Het
Xrcc3 T G 12: 111,771,485 (GRCm39) D213A probably damaging Het
Zeb2 T C 2: 44,886,988 (GRCm39) T690A probably benign Het
Zfat G A 15: 67,956,250 (GRCm39) S1212L probably damaging Het
Zfp623 C T 15: 75,819,949 (GRCm39) L302F probably damaging Het
Zfp799 A C 17: 33,039,733 (GRCm39) C178G possibly damaging Het
Zfy1 T C Y: 727,634 (GRCm39) E348G unknown Het
Zhx3 A G 2: 160,621,393 (GRCm39) W925R 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
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
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'- AGTCACACCTGCAAGGGAAG -3'
(R):5'- TCTGAAATCCCTTCCAGAAGC -3'

Sequencing Primer
(F):5'- CACACCTGCAAGGGAAGTTGATG -3'
(R):5'- TCCAGAAGCCCATGACTCAATTATTC -3'
Posted On 2022-03-25