Incidental Mutation 'R9087:Cacna1a'
ID 690692
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 068906-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R9087 (G1)
Quality Score 99.0078
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 85365432 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Threonine at position 2192 (A2192T)
Ref Sequence ENSEMBL: ENSMUSP00000112436 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000121390] [ENSMUST00000122053]
AlphaFold P97445
Predicted Effect probably benign
Transcript: ENSMUST00000121390
AA Change: A2192T

PolyPhen 2 Score 0.439 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: A2192T

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: A2145T

PolyPhen 2 Score 0.845 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: A2145T

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: 98.6%
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: 86 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aars1 A G 8: 111,768,169 (GRCm39) D180G probably damaging Het
Abcb6 A T 1: 75,150,211 (GRCm39) I649K probably damaging Het
Ace T C 11: 105,872,745 (GRCm39) F969S probably damaging Het
Ankrd26 A G 6: 118,536,230 (GRCm39) probably null Het
Apobec1 A T 6: 122,558,700 (GRCm39) L9* probably null Het
Atp13a1 A G 8: 70,256,457 (GRCm39) D865G probably damaging Het
Barhl1 T C 2: 28,805,231 (GRCm39) Y154C probably damaging Het
Bbx T C 16: 50,094,998 (GRCm39) D106G probably damaging Het
Cacnb1 T C 11: 97,893,833 (GRCm39) N563S possibly damaging Het
Capn5 A T 7: 97,775,531 (GRCm39) I470N probably damaging Het
Cd300c T C 11: 114,850,591 (GRCm39) T71A probably damaging Het
Celf4 T A 18: 25,637,327 (GRCm39) S223C probably damaging Het
Cftr A C 6: 18,214,180 (GRCm39) I119L possibly damaging Het
Cmya5 T C 13: 93,233,711 (GRCm39) E459G possibly damaging Het
Cntn2 A G 1: 132,453,108 (GRCm39) Y395H probably damaging Het
Cntnap3 T C 13: 64,899,532 (GRCm39) D987G probably damaging Het
Col5a2 T A 1: 45,481,818 (GRCm39) D102V unknown Het
Cpeb2 T C 5: 43,438,461 (GRCm39) F812L Het
Cpsf3 T A 12: 21,358,995 (GRCm39) L565Q probably damaging Het
Ctnnd1 A C 2: 84,439,922 (GRCm39) L796R probably damaging Het
Dach1 A G 14: 98,406,267 (GRCm39) L160P probably benign Het
Dennd1a A C 2: 37,911,366 (GRCm39) probably null Het
Dnah12 T C 14: 26,546,503 (GRCm39) I2431T probably damaging Het
Ep400 A T 5: 110,815,430 (GRCm39) Y2887* probably null Het
Erich1 T C 8: 14,083,623 (GRCm39) D149G probably damaging Het
Fut2 T C 7: 45,300,493 (GRCm39) N93S probably damaging Het
Gba2 C T 4: 43,568,304 (GRCm39) A688T probably benign Het
Gcm2 C G 13: 41,263,406 (GRCm39) E9Q Het
Gfod1 T C 13: 43,353,838 (GRCm39) E379G probably damaging Het
Gfod2 A G 8: 106,454,851 (GRCm39) F10L probably damaging Het
Gm4871 T G 5: 144,969,088 (GRCm39) H75P possibly damaging Het
Gtpbp3 T A 8: 71,944,999 (GRCm39) V418E probably benign Het
Hif1a T A 12: 73,989,099 (GRCm39) I688K probably benign Het
Ifi44 G T 3: 151,451,517 (GRCm39) S196R probably damaging Het
Igfn1 T C 1: 135,902,606 (GRCm39) probably null Het
Itpr3 G A 17: 27,337,651 (GRCm39) probably benign Het
Kl A G 5: 150,911,957 (GRCm39) K569E probably benign Het
Klkb1 G A 8: 45,728,515 (GRCm39) Q415* probably null Het
L1td1 A G 4: 98,624,699 (GRCm39) D298G possibly damaging Het
L2hgdh C T 12: 69,749,131 (GRCm39) R252Q probably benign Het
Lipc C G 9: 70,709,390 (GRCm39) K452N probably benign Het
Lrp10 C A 14: 54,705,621 (GRCm39) S270R probably damaging Het
Ly6e T G 15: 74,829,649 (GRCm39) L14R probably benign Het
Mast3 T C 8: 71,242,330 (GRCm39) D90G possibly damaging Het
Mmp27 T C 9: 7,579,858 (GRCm39) F444S probably damaging Het
Mrgpra2b A T 7: 47,114,518 (GRCm39) N71K probably benign Het
Nbea C A 3: 55,550,157 (GRCm39) probably null Het
Ndufb10 A G 17: 24,943,159 (GRCm39) probably null Het
Ndufb9 C T 15: 58,811,151 (GRCm39) P146S probably benign Het
Nhsl1 T C 10: 18,407,030 (GRCm39) V1388A probably damaging Het
Nomo1 C A 7: 45,732,748 (GRCm39) D1170E probably benign Het
Nop2 G T 6: 125,114,391 (GRCm39) R254L probably benign Het
Nup160 A T 2: 90,514,429 (GRCm39) T126S probably benign Het
Opa1 A G 16: 29,437,053 (GRCm39) D654G probably damaging Het
Or1j15 T C 2: 36,459,345 (GRCm39) L245P probably damaging Het
Or2j6 A T 7: 139,980,547 (GRCm39) C137* probably null Het
Or51h1 A G 7: 102,308,964 (GRCm39) K312R probably benign Het
Or52e8b C T 7: 104,673,910 (GRCm39) W92* probably null Het
Or5aq1b A G 2: 86,902,299 (GRCm39) Y60H probably damaging Het
Or5p68 A G 7: 107,945,958 (GRCm39) S77P probably damaging Het
Or8b52 A G 9: 38,576,711 (GRCm39) L143P probably damaging Het
Or8k18 A G 2: 86,085,380 (GRCm39) M219T probably benign Het
Osbp2 T A 11: 3,667,976 (GRCm39) D7V probably damaging Het
Osr2 A T 15: 35,301,010 (GRCm39) I189F probably damaging Het
Pdlim5 A G 3: 142,058,594 (GRCm39) V50A possibly damaging Het
Pik3r3 A G 4: 116,148,931 (GRCm39) N334S probably benign Het
Plk5 C G 10: 80,193,830 (GRCm39) R40G probably damaging Het
Ppfia4 A G 1: 134,240,326 (GRCm39) I889T probably damaging Het
Prpf38b T C 3: 108,811,657 (GRCm39) K403E unknown Het
Rgs20 T G 1: 4,994,190 (GRCm39) E31A possibly damaging Het
Rpl11 A T 4: 135,780,000 (GRCm39) M12K possibly damaging Het
Rreb1 C A 13: 38,115,644 (GRCm39) T1001K probably benign Het
Ruvbl1 A G 6: 88,474,355 (GRCm39) K453E probably benign Het
Sdc4 A T 2: 164,270,959 (GRCm39) V100D probably benign Het
Simc1 C A 13: 54,672,147 (GRCm39) T165K probably benign Het
Slc2a3 A G 6: 122,717,408 (GRCm39) V16A probably benign Het
Smbd1 A T 16: 32,627,130 (GRCm39) S53T possibly damaging Het
Smndc1 A T 19: 53,372,074 (GRCm39) N113K possibly damaging Het
Tas2r139 T G 6: 42,118,168 (GRCm39) F100C probably damaging Het
Tubgcp5 A G 7: 55,467,106 (GRCm39) Y692C probably damaging Het
Ube2d2a T C 18: 35,933,197 (GRCm39) I78T probably benign Het
Ugt2b37 C T 5: 87,401,996 (GRCm39) V212I probably benign Het
Wars2 A G 3: 99,124,063 (GRCm39) D308G possibly damaging Het
Yeats2 G A 16: 20,030,500 (GRCm39) probably null Het
Zfp385a G T 15: 103,224,318 (GRCm39) H219N possibly damaging Het
Zfp407 T C 18: 84,227,982 (GRCm39) T1876A 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
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
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'- TGAGCATGACCACCCAATCG -3'
(R):5'- AGTTTCCGAAGTCACTCACAGG -3'

Sequencing Primer
(F):5'- caccatcatcatcaTCCC -3'
(R):5'- GAAGTCACTCACAGGCGTCC -3'
Posted On 2021-12-30