Incidental Mutation 'R7051:Cacna1a'
ID 547590
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 045148-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R7051 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 85356544 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glutamine at position 1929 (R1929Q)
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: R1929Q

PolyPhen 2 Score 0.848 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: R1929Q

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: R1882Q

PolyPhen 2 Score 0.533 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: R1882Q

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: 99.8%
  • 20x: 99.3%
Validation Efficiency 95% (80/84)
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: 81 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
5930422O12Rik C T 8: 33,919,201 (GRCm39) S7L unknown Het
Aggf1 T C 13: 95,488,125 (GRCm39) K674R possibly damaging Het
Ampd1 T C 3: 102,997,389 (GRCm39) F264L probably damaging Het
Ankle1 A T 8: 71,860,387 (GRCm39) S302C probably damaging Het
Ankrd17 G A 5: 90,514,310 (GRCm39) probably benign Het
Arhgap18 T A 10: 26,725,917 (GRCm39) N47K possibly damaging Het
Atp5pb T C 3: 105,851,083 (GRCm39) N205D probably benign Het
Atp8b3 C T 10: 80,355,858 (GRCm39) E1285K probably benign Het
Atp8b3 C A 10: 80,365,552 (GRCm39) V401L probably damaging Het
Cadm2 C T 16: 66,679,767 (GRCm39) S22N possibly damaging Het
Ccdc177 C T 12: 80,805,927 (GRCm39) V116M probably damaging Het
Cdhr18 A G 14: 13,828,486 (GRCm38) V758A Het
Cdkl2 A T 5: 92,181,084 (GRCm39) I185N probably damaging Het
Cfhr2 T A 1: 139,738,716 (GRCm39) I282L probably benign Het
Clns1a T A 7: 97,361,824 (GRCm39) probably null Het
Commd2 A T 3: 57,554,107 (GRCm39) I198N probably damaging Het
Creb3l2 C T 6: 37,313,200 (GRCm39) V365I possibly damaging Het
Dcaf6 A T 1: 165,251,886 (GRCm39) N79K possibly damaging Het
Dlg5 T C 14: 24,196,263 (GRCm39) N1622D possibly damaging Het
Dock7 C T 4: 98,834,969 (GRCm39) R1802H probably damaging Het
Dpy19l2 T C 9: 24,495,789 (GRCm39) K643R probably benign Het
Dscam G A 16: 96,620,986 (GRCm39) T574M probably benign Het
Fam209 A G 2: 172,315,969 (GRCm39) T115A probably damaging Het
Fastkd5 C T 2: 130,456,337 (GRCm39) C751Y probably damaging Het
Fat3 C A 9: 16,289,123 (GRCm39) L133F probably damaging Het
Fcsk A T 8: 111,616,971 (GRCm39) I393N probably damaging Het
Frmd6 T C 12: 70,944,170 (GRCm39) V516A possibly damaging Het
Fry G A 5: 150,318,634 (GRCm39) D955N possibly damaging Het
Gm7298 T C 6: 121,751,993 (GRCm39) probably null Het
Golga7b T A 19: 42,256,899 (GRCm39) *168R probably null Het
Golim4 T A 3: 75,800,309 (GRCm39) Q395L probably benign Het
Gxylt2 T A 6: 100,781,537 (GRCm39) L404* probably null Het
H1f4 A G 13: 23,806,422 (GRCm39) V20A probably benign Het
Ighmbp2 G T 19: 3,311,462 (GRCm39) S984R probably damaging Het
Irf8 C T 8: 121,466,581 (GRCm39) R9W probably damaging Het
Itga4 T C 2: 79,148,470 (GRCm39) V788A possibly damaging Het
Kifap3 G A 1: 163,621,649 (GRCm39) R99H probably damaging Het
Kiss1r T C 10: 79,754,688 (GRCm39) S61P probably damaging Het
Krtap6-1 A T 16: 88,828,606 (GRCm39) M1L unknown Het
Large2 A T 2: 92,197,367 (GRCm39) M411K probably damaging Het
Lcor A G 19: 41,574,191 (GRCm39) D982G probably benign Het
Lingo1 A G 9: 56,527,467 (GRCm39) V374A probably benign Het
Lrch1 A G 14: 75,022,962 (GRCm39) V637A probably damaging Het
Lyar T C 5: 38,382,024 (GRCm39) V2A probably damaging Het
Nell1 C T 7: 50,098,592 (GRCm39) S298L unknown Het
Ogfod3 T A 11: 121,086,031 (GRCm39) I188F probably damaging Het
Opa3 C A 7: 18,978,961 (GRCm39) A142E possibly damaging Het
Or5b123 T A 19: 13,596,769 (GRCm39) M81K possibly damaging Het
Or5k1 T C 16: 58,617,538 (GRCm39) T224A probably benign Het
Pald1 T C 10: 61,159,125 (GRCm39) R769G probably benign Het
Pappa2 T A 1: 158,784,753 (GRCm39) T86S unknown Het
Papss1 T C 3: 131,307,811 (GRCm39) Y266H probably damaging Het
Pcdhga7 C A 18: 37,849,994 (GRCm39) A667D probably damaging Het
Pcsk5 T A 19: 17,411,095 (GRCm39) T1766S probably benign Het
Pds5b T A 5: 150,717,747 (GRCm39) N1129K possibly damaging Het
Pop7 T C 5: 137,499,952 (GRCm39) N127S probably damaging Het
Ppfibp2 A G 7: 107,316,925 (GRCm39) E300G probably damaging Het
Ppp4r3b A G 11: 29,132,507 (GRCm39) K87E probably damaging Het
Psmd3 T A 11: 98,573,659 (GRCm39) M35K possibly damaging Het
Pus7 A G 5: 23,980,677 (GRCm39) V191A probably damaging Het
Rptor C T 11: 119,765,012 (GRCm39) probably benign Het
Sacs A G 14: 61,446,377 (GRCm39) M2808V probably benign Het
Scube3 G A 17: 28,386,573 (GRCm39) V831I probably benign Het
Sin3a A T 9: 57,011,218 (GRCm39) N492Y probably damaging Het
Slc12a3 A G 8: 95,092,572 (GRCm39) T998A probably damaging Het
Slc4a1 T C 11: 102,247,084 (GRCm39) N501S probably benign Het
Sltm G A 9: 70,466,348 (GRCm39) G94R probably damaging Het
Smc4 T A 3: 68,934,835 (GRCm39) W650R probably damaging Het
Smg7 A G 1: 152,724,601 (GRCm39) S527P probably damaging Het
Tcf20 T C 15: 82,740,279 (GRCm39) N391D probably damaging Het
Tiam2 G A 17: 3,498,758 (GRCm39) V845M probably damaging Het
Tln2 A G 9: 67,253,699 (GRCm39) F793L probably benign Het
Uckl1 T C 2: 181,216,037 (GRCm39) I193V probably damaging Het
Ugt1a5 A G 1: 88,094,077 (GRCm39) M102V probably benign Het
Usp38 G A 8: 81,727,750 (GRCm39) P328S possibly damaging Het
Vmn1r189 A G 13: 22,286,285 (GRCm39) V184A possibly damaging Het
Vps13d C A 4: 144,889,914 (GRCm39) A597S probably benign Het
Wdr47 T A 3: 108,525,840 (GRCm39) L121Q probably damaging Het
Wiz A G 17: 32,580,507 (GRCm39) S315P probably damaging Het
Zc3h13 T C 14: 75,568,597 (GRCm39) S1297P probably damaging Het
Zfp27 AATCCGCTTGTGCA AA 7: 29,594,446 (GRCm39) 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
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
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'- TGGTCACACCTCACAAGTG -3'
(R):5'- CAGATGAAACAGTGACTGCCAC -3'

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