Incidental Mutation 'R6753:Cacna1a'
ID 530894
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 044870-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.936) question?
Stock # R6753 (G1)
Quality Score 216.009
Status Validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85306834 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 1363 (E1363G)
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: E1363G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: E1363G

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: E1316G

PolyPhen 2 Score 0.847 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: E1316G

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: ENSMUST00000126302
Predicted Effect unknown
Transcript: ENSMUST00000215756
AA Change: E1315G
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.3%
  • 20x: 95.1%
Validation Efficiency 99% (68/69)
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: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk G A 11: 119,900,977 (GRCm39) P1083S probably benign Het
Abcb5 T A 12: 118,908,641 (GRCm39) N101I possibly damaging Het
Adrb2 A G 18: 62,312,624 (GRCm39) V67A possibly damaging Het
Agk T A 6: 40,345,504 (GRCm39) probably null Het
Akap10 A T 11: 61,777,603 (GRCm39) M586K probably damaging Het
Akt3 A T 1: 176,877,756 (GRCm39) Y337* probably null Het
Armc1 A G 3: 19,198,562 (GRCm39) F133L possibly damaging Het
Bank1 T C 3: 135,799,069 (GRCm39) E424G probably damaging Het
Cacna1d C A 14: 29,764,743 (GRCm39) A2076S probably damaging Het
Ccdc73 T A 2: 104,821,869 (GRCm39) L606* probably null Het
Ccdc8 C T 7: 16,730,562 (GRCm39) Q684* probably null Het
Ces1b T A 8: 93,793,648 (GRCm39) K314* probably null Het
Ces1e T A 8: 93,941,756 (GRCm39) N238I probably damaging Het
Chd4 A G 6: 125,091,263 (GRCm39) N1238S probably benign Het
Cmtr2 T A 8: 110,949,611 (GRCm39) D640E probably damaging Het
Col7a1 C T 9: 108,787,196 (GRCm39) T559I unknown Het
Comt T C 16: 18,226,771 (GRCm39) K205R probably benign Het
Dbp A T 7: 45,357,828 (GRCm39) E232V probably damaging Het
Dcbld2 A G 16: 58,276,493 (GRCm39) T470A possibly damaging Het
Eml6 T A 11: 29,704,987 (GRCm39) D1519V probably damaging Het
Evpl T A 11: 116,128,732 (GRCm39) H31L possibly damaging Het
Exoc1 T A 5: 76,711,186 (GRCm39) I86N probably damaging Het
Fat3 C T 9: 15,826,357 (GRCm39) E4532K possibly damaging Het
Fgfr3 T C 5: 33,889,503 (GRCm39) S301P probably benign Het
Gas2l1 C T 11: 5,014,254 (GRCm39) V69I probably damaging Het
Gm2042 T A 12: 87,924,854 (GRCm39) I107K probably damaging Het
Gucy1b1 T C 3: 81,947,054 (GRCm39) D385G probably null Het
Ints1 T A 5: 139,750,930 (GRCm39) E824D probably damaging Het
Itfg1 T C 8: 86,561,707 (GRCm39) D142G probably benign Het
Jaml A G 9: 45,018,677 (GRCm39) N359D probably benign Het
Kcnh7 T A 2: 62,680,721 (GRCm39) I289L probably benign Het
Klf12 G A 14: 100,347,212 (GRCm39) Q40* probably null Het
Mcm4 A C 16: 15,447,226 (GRCm39) N579K possibly damaging Het
Mfsd2b A T 12: 4,917,358 (GRCm39) F179I possibly damaging Het
Mmp11 C T 10: 75,764,208 (GRCm39) V86M probably damaging Het
Mogs T C 6: 83,092,863 (GRCm39) V101A probably damaging Het
Narf T A 11: 121,133,452 (GRCm39) H84Q probably benign Het
Or5ak4 C A 2: 85,162,142 (GRCm39) M33I probably benign Het
Otog A C 7: 45,898,495 (GRCm39) E204D probably benign Het
Parp8 G A 13: 117,031,651 (GRCm39) H354Y possibly damaging Het
Pcnx1 C A 12: 82,011,254 (GRCm39) D1238E probably damaging Het
Pi4ka A G 16: 17,194,846 (GRCm39) L184P possibly damaging Het
Pkd1l3 C T 8: 110,351,081 (GRCm39) T642I probably damaging Het
Pkhd1l1 G A 15: 44,453,059 (GRCm39) E3995K probably benign Het
Prdm9 A T 17: 15,765,218 (GRCm39) Y521N probably benign Het
Prex2 A G 1: 11,254,680 (GRCm39) S1105G probably damaging Het
Prss35 T A 9: 86,638,153 (GRCm39) F308I probably damaging Het
Rab22a C T 2: 173,542,848 (GRCm39) A167V probably benign Het
Rims2 A G 15: 39,430,369 (GRCm39) Q871R possibly damaging Het
Rorb A T 19: 18,934,611 (GRCm39) M253K probably benign Het
Ryr3 T C 2: 112,482,955 (GRCm39) D4269G probably damaging Het
Snx11 T C 11: 96,660,732 (GRCm39) probably benign Het
Son A G 16: 91,454,076 (GRCm39) Q941R probably damaging Het
Sptbn2 G T 19: 4,797,813 (GRCm39) R1880L probably benign Het
Sun1 G A 5: 139,201,014 (GRCm39) probably null Het
Tprn A G 2: 25,154,050 (GRCm39) R451G probably benign Het
Trbv30 T A 6: 41,258,311 (GRCm39) M1K probably null Het
Ttn C A 2: 76,568,565 (GRCm39) G25697W probably damaging Het
Ubb T G 11: 62,442,353 (GRCm39) probably null Het
Unc13b C T 4: 43,239,331 (GRCm39) R1038C probably damaging Het
Usp7 T C 16: 8,514,775 (GRCm39) M687V probably benign Het
Zfp160 G A 17: 21,240,996 (GRCm39) M21I probably benign Het
Zfp868 T C 8: 70,064,747 (GRCm39) N196S probably benign Het
Zup1 A T 10: 33,804,025 (GRCm39) I483N 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
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'- AATGTTTTCAGCTCACCCAAC -3'
(R):5'- ACCCAGTCTTAGACGTCTCC -3'

Sequencing Primer
(F):5'- TTTCAGCTCACCCAACCCCAC -3'
(R):5'- TGGTCTCAAAACTCAGGGTGATCC -3'
Posted On 2018-08-01