Incidental Mutation 'R6980:Cacna1a'
ID 543776
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 045088-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R6980 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85338914 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Valine at position 1753 (M1753V)
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: M1753V

PolyPhen 2 Score 0.848 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: M1753V

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 benign
Transcript: ENSMUST00000122053
AA Change: M1706V

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: M1706V

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: 100.0%
  • 10x: 99.7%
  • 20x: 99.2%
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: 88 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca2 C A 2: 25,330,878 (GRCm39) R1189S possibly damaging Het
Abcf2 T C 5: 24,770,970 (GRCm39) Q594R probably benign Het
Abhd18 G A 3: 40,888,215 (GRCm39) S353N probably benign Het
Adrb1 G T 19: 56,712,046 (GRCm39) A415S probably benign Het
Art2b T C 7: 101,229,680 (GRCm39) N73S probably benign Het
BC028528 CTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTT CTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTT 3: 95,795,448 (GRCm39) probably benign Het
BC028528 CACTGGTTCTGTGGT CACTGGTTCTGTGGTTACTGGTTCTGTGGT 3: 95,795,480 (GRCm39) probably benign Het
BC028528 ACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTC ACTGGTTCTGTGGTCTCTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTC 3: 95,795,451 (GRCm39) probably benign Het
Cbx8 A T 11: 118,930,287 (GRCm39) I102N possibly damaging Het
Ccdc178 T A 18: 22,238,620 (GRCm39) E332D probably benign Het
Cdhr17 T A 5: 17,031,944 (GRCm39) V533D possibly damaging Het
Cfap74 G A 4: 155,550,809 (GRCm39) probably benign Het
Chat A T 14: 32,146,111 (GRCm39) M354K probably benign Het
Cmas A G 6: 142,702,526 (GRCm39) T10A probably damaging Het
Cyb561d1 A T 3: 108,107,475 (GRCm39) L51H probably benign Het
D030056L22Rik A T 19: 18,694,629 (GRCm39) N128I probably damaging Het
D130043K22Rik G T 13: 25,048,764 (GRCm39) A423S probably damaging Het
Dnah14 T C 1: 181,475,795 (GRCm39) I1349T probably benign Het
Dnajb3 T G 1: 88,132,736 (GRCm39) D222A probably damaging Het
Dtx1 T C 5: 120,819,422 (GRCm39) E592G probably damaging Het
Dzank1 C T 2: 144,332,056 (GRCm39) G427R possibly damaging Het
E130308A19Rik A C 4: 59,719,991 (GRCm39) K508Q probably damaging Het
Eif4e1b T A 13: 54,931,916 (GRCm39) probably null Het
Ell2 A G 13: 75,904,495 (GRCm39) M159V probably null Het
Eml4 G A 17: 83,758,446 (GRCm39) V377I probably benign Het
Fryl A T 5: 73,207,773 (GRCm39) S2466T probably benign Het
Gfpt1 C A 6: 87,054,071 (GRCm39) T426K probably damaging Het
Gm49355 T C 14: 12,307,173 (GRCm38) probably benign Het
Gm5114 T C 7: 39,058,624 (GRCm39) I332V probably benign Het
Gpr15 T A 16: 58,539,105 (GRCm39) probably benign Het
Gpr179 T C 11: 97,225,684 (GRCm39) E2157G probably benign Het
Gramd4 A G 15: 86,016,170 (GRCm39) N482S probably benign Het
Hfm1 A T 5: 107,028,343 (GRCm39) I829K probably benign Het
Hydin A T 8: 111,139,916 (GRCm39) E728D possibly damaging Het
Ifngr2 T A 16: 91,356,895 (GRCm39) V143E probably damaging Het
Ift172 T C 5: 31,414,730 (GRCm39) D1390G probably benign Het
Kdf1 A T 4: 133,256,138 (GRCm39) D285V probably damaging Het
Mast4 C T 13: 102,941,155 (GRCm39) V301I probably damaging Het
Mdn1 G A 4: 32,726,942 (GRCm39) probably null Het
Megf11 A G 9: 64,613,132 (GRCm39) E1016G probably damaging Het
Mixl1 G A 1: 180,524,453 (GRCm39) A42V possibly damaging Het
Mpp2 A G 11: 101,950,154 (GRCm39) W567R probably damaging Het
Mrgpra6 A G 7: 46,838,697 (GRCm39) L136P probably damaging Het
Mroh7 T A 4: 106,557,434 (GRCm39) I759L probably benign Het
Nrxn2 A G 19: 6,500,609 (GRCm39) D277G probably benign Het
Nup210l A T 3: 90,027,234 (GRCm39) K205N probably benign Het
Or4g17 A G 2: 111,209,620 (GRCm39) I92V possibly damaging Het
Or4p4b-ps1 A G 2: 88,453,939 (GRCm39) *97W probably null Het
Or52e19b T C 7: 103,032,303 (GRCm39) E302G probably benign Het
Or5al6 A T 2: 85,976,681 (GRCm39) Y132* probably null Het
Oxnad1 C T 14: 31,807,576 (GRCm39) probably benign Het
Pamr1 C T 2: 102,472,549 (GRCm39) T616I probably benign Het
Pcdhgb5 C T 18: 37,866,592 (GRCm39) H796Y possibly damaging Het
Pdlim7 G T 13: 55,656,041 (GRCm39) D126E probably benign Het
Pfdn2 C T 1: 171,185,465 (GRCm39) probably benign Het
Piezo2 T A 18: 63,216,032 (GRCm39) probably null Het
Pms2 A T 5: 143,848,842 (GRCm39) I43L probably benign Het
Prex2 T A 1: 11,232,487 (GRCm39) S851R probably benign Het
Ptpn4 T A 1: 119,671,151 (GRCm39) E202D possibly damaging Het
Rnf40 T A 7: 127,193,849 (GRCm39) V455E probably damaging Het
Rp1l1 A G 14: 64,266,169 (GRCm39) N585S probably benign Het
Rrp12 A G 19: 41,878,582 (GRCm39) S188P probably damaging Het
Rsbn1l T A 5: 21,101,482 (GRCm39) H686L probably benign Het
Runx2 C T 17: 45,046,203 (GRCm39) V107I possibly damaging Het
Rusc2 A G 4: 43,422,846 (GRCm39) I994M probably benign Het
Ryr1 T A 7: 28,808,812 (GRCm39) D420V probably benign Het
Sash1 T C 10: 8,605,612 (GRCm39) Q926R probably benign Het
Scgb3a2 T A 18: 43,897,499 (GRCm39) I6N probably damaging Het
Sdc3 T A 4: 130,544,233 (GRCm39) probably benign Het
Sik2 A G 9: 50,808,755 (GRCm39) V658A probably benign Het
Slc25a39 A G 11: 102,296,601 (GRCm39) V81A probably damaging Het
Snai2 T A 16: 14,526,113 (GRCm39) S255T possibly damaging Het
Sorbs1 A T 19: 40,316,060 (GRCm39) Y371* probably null Het
Spata31d1b A T 13: 59,863,236 (GRCm39) H128L probably benign Het
Spdl1 A T 11: 34,721,706 (GRCm39) M1K probably null Het
Tgm3 T A 2: 129,868,697 (GRCm39) N211K probably benign Het
Tmem116 T C 5: 121,606,050 (GRCm39) probably null Het
Tmem132e T A 11: 82,329,212 (GRCm39) probably null Het
Tmem53 T C 4: 117,125,705 (GRCm39) C251R probably damaging Het
Trcg1 A C 9: 57,152,856 (GRCm39) D551A probably damaging Het
Trp63 T A 16: 25,620,843 (GRCm39) F12I probably benign Het
Ttn C T 2: 76,709,401 (GRCm39) probably null Het
Tubgcp4 T C 2: 121,025,946 (GRCm39) V596A probably benign Het
Ugt2a3 A C 5: 87,473,491 (GRCm39) H475Q probably damaging Het
Unc79 G A 12: 103,025,759 (GRCm39) R382K probably damaging Het
Vmn2r58 T C 7: 41,513,662 (GRCm39) H327R possibly damaging Het
Vmn2r7 G A 3: 64,623,987 (GRCm39) T111I possibly damaging Het
Zfp318 T A 17: 46,708,138 (GRCm39) Y399N probably 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
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'- AAGCCCTTACCTCTGACTGTG -3'
(R):5'- TCTTGTCCCCGTTTCAGGAG -3'

Sequencing Primer
(F):5'- GACTGTGCCTTCTCTCAGG -3'
(R):5'- CCGTTTCAGGAGGAGGTGAC -3'
Posted On 2019-05-13