Incidental Mutation 'R9710:Cacna1a'
ID 730071
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
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R9710 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 85320808 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Phenylalanine at position 1589 (V1589F)
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: V1589F

PolyPhen 2 Score 0.739 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: V1589F

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: V1542F

PolyPhen 2 Score 0.096 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: V1542F

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: 98.7%
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: 92 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930407I10Rik T C 15: 81,946,852 (GRCm39) S250P probably benign Het
Ahcyl1 T A 3: 107,578,494 (GRCm39) I248F possibly damaging Het
Alpk2 T A 18: 65,482,646 (GRCm39) E454V probably damaging Het
Ank3 A T 10: 69,829,070 (GRCm39) T2580S Het
Anks1 G A 17: 28,128,571 (GRCm39) G46R possibly damaging Het
Arhgap45 A G 10: 79,857,635 (GRCm39) E322G probably damaging Het
Arhgef2 T C 3: 88,528,576 (GRCm39) I4T probably benign Het
C1qtnf4 T C 2: 90,720,351 (GRCm39) I208T probably damaging Het
Cachd1 T A 4: 100,832,092 (GRCm39) N751K probably benign Het
Cacnb1 T C 11: 97,902,197 (GRCm39) H205R probably benign Het
Castor1 A G 11: 4,169,015 (GRCm39) K61E probably benign Het
Ccdc9b G T 2: 118,591,077 (GRCm39) A152E probably benign Het
Clvs2 C A 10: 33,389,307 (GRCm39) R311L probably benign Het
Crim1 G T 17: 78,610,504 (GRCm39) G320* probably null Het
Crtam A T 9: 40,895,671 (GRCm39) D218E probably benign Het
Cwc27 G A 13: 104,943,158 (GRCm39) T128I probably damaging Het
Cyp4a14 T A 4: 115,349,347 (GRCm39) I238F probably benign Het
D930020B18Rik A C 10: 121,503,563 (GRCm39) E246A probably benign Het
Dsg1c T A 18: 20,410,044 (GRCm39) V504E probably benign Het
Enpp6 T A 8: 47,518,948 (GRCm39) S239T probably damaging Het
Eri2 A T 7: 119,384,824 (GRCm39) I559N probably benign Het
Fbxo34 T C 14: 47,768,724 (GRCm39) Y746H probably damaging Het
Galr1 A T 18: 82,424,103 (GRCm39) L58Q probably damaging Het
Ghdc A G 11: 100,658,863 (GRCm39) V423A probably benign Het
Glt28d2 T C 3: 85,779,059 (GRCm39) D138G probably benign Het
Gm266 A T 12: 111,451,763 (GRCm39) C148S probably benign Het
Gnas C T 2: 174,141,132 (GRCm39) T493M unknown Het
Hivep2 T C 10: 14,015,203 (GRCm39) I1790T probably damaging Het
Impg1 A G 9: 80,287,276 (GRCm39) V390A probably benign Het
Isy1 A G 6: 87,796,574 (GRCm39) F239L possibly damaging Het
Itgb5 A G 16: 33,685,917 (GRCm39) T86A probably benign Het
Itpr1 T C 6: 108,382,481 (GRCm39) C1458R possibly damaging Het
Krt28 T C 11: 99,255,921 (GRCm39) E446G probably damaging Het
Lama1 A T 17: 68,129,404 (GRCm39) Q3071L Het
Lasp1 A G 11: 97,697,593 (GRCm39) probably benign Het
Lmf2 T C 15: 89,237,419 (GRCm39) K348E probably benign Het
Lrch3 G T 16: 32,796,108 (GRCm39) E331* probably null Het
Lzic T A 4: 149,573,141 (GRCm39) F98I probably damaging Het
Map7d1 C A 4: 126,127,440 (GRCm39) probably null Het
Marchf8 C T 6: 116,378,405 (GRCm39) T113I possibly damaging Het
Mgrn1 A T 16: 4,745,740 (GRCm39) K423* probably null Het
Muc20 G A 16: 32,615,266 (GRCm39) T37I possibly damaging Het
Myh15 A G 16: 48,959,044 (GRCm39) E972G probably damaging Het
Myocd T A 11: 65,087,167 (GRCm39) K253N probably damaging Het
Myod1 T G 7: 46,026,575 (GRCm39) L160R probably damaging Het
Nanog T C 6: 122,684,799 (GRCm39) S20P probably benign Het
Nat8f2 A T 6: 85,844,683 (GRCm39) Y226* probably null Het
Nsmf A G 2: 24,949,077 (GRCm39) K277R probably null Het
Nsrp1 C T 11: 76,967,503 (GRCm39) G30R probably damaging Het
Nsun6 C A 2: 15,003,009 (GRCm39) R389L probably benign Het
Obscn G A 11: 58,943,397 (GRCm39) R4251C probably benign Het
Or10g9 A T 9: 39,912,172 (GRCm39) M117K probably damaging Het
Or11h4 C T 14: 50,974,199 (GRCm39) C140Y probably benign Het
Or51h1 A G 7: 102,308,441 (GRCm39) T138A probably damaging Het
Or5w20 G A 2: 87,726,902 (GRCm39) D120N probably damaging Het
Pgm1 T C 4: 99,843,918 (GRCm39) L567P probably damaging Het
Polrmt G T 10: 79,576,535 (GRCm39) H474N probably benign Het
Ppfia2 A G 10: 106,664,885 (GRCm39) I374V probably benign Het
Pramel5 T A 4: 143,999,545 (GRCm39) I181F probably benign Het
Prpf4b T A 13: 35,083,870 (GRCm39) Y880N probably damaging Het
Ptpn3 G A 4: 57,249,957 (GRCm39) Q180* probably null Het
Ptprc T C 1: 138,008,627 (GRCm39) R687G probably damaging Het
Rnaseh2a T C 8: 85,684,638 (GRCm39) T241A probably damaging Het
Rnf148 T A 6: 23,654,802 (GRCm39) I65F possibly damaging Het
Rnf213 A G 11: 119,331,831 (GRCm39) I2348V Het
Rttn A G 18: 89,035,334 (GRCm39) N736S possibly damaging Het
Ryr3 A C 2: 112,633,534 (GRCm39) V2093G probably damaging Het
Selenof T A 3: 144,283,370 (GRCm39) F33L probably benign Het
Sh2d3c C T 2: 32,635,889 (GRCm39) R238* probably null Het
Slc23a4 T C 6: 34,923,235 (GRCm39) K543R probably benign Het
Smn1 A T 13: 100,272,210 (GRCm39) N278I possibly damaging Het
Sox7 G A 14: 64,185,509 (GRCm39) A182T probably benign Het
Spata31e5 T A 1: 28,817,120 (GRCm39) Y304F probably benign Het
Sptlc2 A T 12: 87,359,533 (GRCm39) I501N probably benign Het
Srf T C 17: 46,866,271 (GRCm39) T162A probably benign Het
Srm C T 4: 148,676,039 (GRCm39) probably benign Het
Stim1 CAGCGCCTGACGGAGC CAGC 7: 102,080,118 (GRCm39) probably benign Het
Taar8a T C 10: 23,952,714 (GRCm39) L106P probably damaging Het
Tcte1 A G 17: 45,850,798 (GRCm39) H358R possibly damaging Het
Tmem205 A G 9: 21,837,587 (GRCm39) S20P probably damaging Het
Trav16 T A 14: 53,980,910 (GRCm39) V33E possibly damaging Het
Trf T A 9: 103,103,217 (GRCm39) I149F probably damaging Het
Trmt2a C T 16: 18,070,041 (GRCm39) Q419* probably null Het
Ttc19 A G 11: 62,203,997 (GRCm39) I319M probably benign Het
Txndc16 T C 14: 45,400,467 (GRCm39) I345V probably benign Het
Ube3b T C 5: 114,553,370 (GRCm39) I914T probably benign Het
Ubr3 T C 2: 69,727,957 (GRCm39) F107L possibly damaging Het
Vmn1r73 T C 7: 11,490,407 (GRCm39) F75S possibly damaging Het
Vmn2r54 A T 7: 12,363,753 (GRCm39) M380K possibly damaging Het
Wdr7 T A 18: 63,927,317 (GRCm39) M989K possibly damaging Het
Zcchc3 A G 2: 152,256,385 (GRCm39) S105P probably benign Het
Zfp735 T A 11: 73,601,806 (GRCm39) V250E possibly 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
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
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'- TCTGGGGCAAGCCATCAAAG -3'
(R):5'- CCCAGCTTTGGACATACCTC -3'

Sequencing Primer
(F):5'- AGCCATCAAAGATGAAGGTTTG -3'
(R):5'- AACCTTAAAAACTGTTTTCGTACCCC -3'
Posted On 2022-10-06