Incidental Mutation 'R1862:Cacna1a'
ID 204037
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 039885-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.936) question?
Stock # R1862 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 85142559 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 96 (I96F)
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: I96F

PolyPhen 2 Score 0.800 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: I96F

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
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656

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: ENSMUST00000135382
Predicted Effect unknown
Transcript: ENSMUST00000215756
AA Change: I49F
Coding Region Coverage
  • 1x: 97.5%
  • 3x: 96.8%
  • 10x: 94.9%
  • 20x: 90.5%
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: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acox2 T A 14: 8,241,416 (GRCm38) E565D probably benign Het
Adam30 A T 3: 98,069,429 (GRCm39) K421* probably null Het
Atp6v1b1 A G 6: 83,726,834 (GRCm39) probably null Het
Card10 G A 15: 78,664,714 (GRCm39) R747W probably damaging Het
Cdh8 T A 8: 99,917,026 (GRCm39) D363V probably damaging Het
Cecr2 T C 6: 120,734,902 (GRCm39) Y685H probably damaging Het
Cibar1 C T 4: 12,155,717 (GRCm39) V306I possibly damaging Het
Cmklr1 T C 5: 113,752,468 (GRCm39) T178A probably damaging Het
Col16a1 G A 4: 129,986,575 (GRCm39) probably null Het
Col4a1 C T 8: 11,276,439 (GRCm39) probably benign Het
Coro2a T A 4: 46,548,797 (GRCm39) I166F possibly damaging Het
Cry2 T C 2: 92,254,911 (GRCm39) H148R probably damaging Het
Crygd T C 1: 65,101,133 (GRCm39) Y154C probably benign Het
Cubn T C 2: 13,313,372 (GRCm39) Y3066C probably damaging Het
Defb15 C T 8: 22,420,002 (GRCm39) E42K possibly damaging Het
Dnah12 A G 14: 26,418,553 (GRCm39) D147G probably benign Het
Dnah12 A T 14: 26,430,412 (GRCm39) Y340F probably benign Het
Dot1l G T 10: 80,619,373 (GRCm39) R193L probably damaging Het
Dusp29 A G 14: 21,736,757 (GRCm39) V115A probably benign Het
Esd A C 14: 74,979,514 (GRCm39) Y119S probably damaging Het
Esp36 A G 17: 38,730,330 (GRCm39) probably benign Het
Etfbkmt T A 6: 149,045,649 (GRCm39) M1K probably null Het
Exph5 A G 9: 53,287,548 (GRCm39) H1543R probably benign Het
Fbxo16 A G 14: 65,508,252 (GRCm39) T23A probably damaging Het
Gorasp2 C A 2: 70,509,808 (GRCm39) H136Q probably damaging Het
Hdc T A 2: 126,439,853 (GRCm39) I367F probably benign Het
Hmcn1 C T 1: 150,514,651 (GRCm39) V3574M probably benign Het
Ilvbl A G 10: 78,419,958 (GRCm39) D592G probably benign Het
Inmt G A 6: 55,151,868 (GRCm39) A34V probably damaging Het
Ints9 A C 14: 65,263,862 (GRCm39) H378P probably benign Het
Kcnh7 T A 2: 62,618,098 (GRCm39) I464L possibly damaging Het
Kcnt2 T A 1: 140,353,068 (GRCm39) V259D probably damaging Het
Lipo3 A G 19: 33,762,092 (GRCm39) F135S probably damaging Het
Lrba T C 3: 86,680,510 (GRCm39) probably null Het
Mapk1 T A 16: 16,844,293 (GRCm39) S22T probably benign Het
Mbd3l2 T C 9: 18,356,217 (GRCm39) S181P possibly damaging Het
Mgat5 C T 1: 127,387,706 (GRCm39) P554L probably damaging Het
Mki67 T C 7: 135,301,090 (GRCm39) T1315A probably benign Het
Mprip C T 11: 59,649,047 (GRCm39) T917M possibly damaging Het
Mroh3 T A 1: 136,113,726 (GRCm39) I688F probably benign Het
Myo1d A T 11: 80,553,874 (GRCm39) Y536N probably damaging Het
Neb C T 2: 52,052,199 (GRCm39) probably null Het
Noc2l A G 4: 156,322,165 (GRCm39) R161G probably benign Het
Nup54 T A 5: 92,567,426 (GRCm39) I375L possibly damaging Het
Nup93 T C 8: 95,032,730 (GRCm39) F539L probably damaging Het
Or10x1 T A 1: 174,197,018 (GRCm39) H178Q probably damaging Het
Or2n1e A G 17: 38,586,235 (GRCm39) E191G probably damaging Het
Or5p57 A C 7: 107,665,932 (GRCm39) Y24* probably null Het
Or8b12 T A 9: 37,658,264 (GRCm39) M278K probably benign Het
Panx1 A T 9: 14,918,724 (GRCm39) D378E probably damaging Het
Papss1 T A 3: 131,288,945 (GRCm39) V170D possibly damaging Het
Pcnx1 T C 12: 81,965,506 (GRCm39) S558P probably damaging Het
Pde3a G T 6: 141,433,239 (GRCm39) A757S probably damaging Het
Pde3a T A 6: 141,196,079 (GRCm39) I255N probably damaging Het
Pdzph1 A G 17: 59,229,578 (GRCm39) Y1027H probably damaging Het
Pkhd1 G T 1: 20,621,244 (GRCm39) R805S probably benign Het
Polr1a G A 6: 71,886,187 (GRCm39) G14D probably damaging Het
Prg4 T A 1: 150,336,420 (GRCm39) D60V probably damaging Het
Ptgr3 T C 18: 84,113,443 (GRCm39) V373A possibly damaging Het
Ptprc T C 1: 138,039,965 (GRCm39) S311G probably benign Het
Rapgefl1 G A 11: 98,733,035 (GRCm39) R205K probably benign Het
Rcan2 A T 17: 44,347,980 (GRCm39) probably null Het
Rock1 A G 18: 10,079,207 (GRCm39) I1087T probably damaging Het
Sectm1b A G 11: 120,945,768 (GRCm39) I191T possibly damaging Het
Septin4 A G 11: 87,458,061 (GRCm39) H145R possibly damaging Het
Setd1b T C 5: 123,285,676 (GRCm39) S241P unknown Het
Slco1a8 T C 6: 141,949,149 (GRCm39) M76V possibly damaging Het
Srpk2 T C 5: 23,729,148 (GRCm39) K497R probably benign Het
Sspo T C 6: 48,467,940 (GRCm39) S4296P probably damaging Het
Syne4 T C 7: 30,016,308 (GRCm39) V168A probably benign Het
Tank T C 2: 61,480,256 (GRCm39) F264S probably damaging Het
Ticrr T C 7: 79,344,955 (GRCm39) S1607P probably damaging Het
Trim30a A G 7: 104,060,405 (GRCm39) V457A probably damaging Het
Trim43b T A 9: 88,967,624 (GRCm39) K336N probably damaging Het
Trim47 T C 11: 115,996,963 (GRCm39) Q598R probably damaging Het
Tspan12 T C 6: 21,851,022 (GRCm39) N18S probably damaging Het
Ubap2 A G 4: 41,221,607 (GRCm39) S231P probably benign Het
Vit A G 17: 78,930,175 (GRCm39) D380G probably damaging Het
Vmn2r2 T C 3: 64,041,942 (GRCm39) N258D possibly damaging Het
Vmn2r52 C T 7: 9,907,333 (GRCm39) C131Y possibly damaging Het
Zfp58 A T 13: 67,639,307 (GRCm39) F395I probably damaging Het
Zfp940 C A 7: 29,544,435 (GRCm39) G491C 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
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
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'- GCTTTGGAGACGAGATGCCG -3'
(R):5'- CTACTCGCAGGCTCACTCTG -3'

Sequencing Primer
(F):5'- AGATGCCGGGCCGCTAC -3'
(R):5'- AGGCTCACTCTGCAGCG -3'
Posted On 2014-06-23