Incidental Mutation 'R7270:Cacna1a'
ID 565232
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 045390-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R7270 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 85297866 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Asparagine at position 1240 (T1240N)
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: T1240N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: T1240N

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: T1193N

PolyPhen 2 Score 0.847 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: T1193N

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: 99.7%
  • 20x: 99.0%
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: 72 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Afg1l A T 10: 42,301,245 (GRCm39) Y193N probably damaging Het
Ahnak2 A T 12: 112,780,802 (GRCm38) V70E Het
Aimp1 T C 3: 132,382,772 (GRCm39) K44E probably damaging Het
Arid1b T A 17: 5,046,318 (GRCm39) Y369N unknown Het
Art5 A T 7: 101,747,080 (GRCm39) V233D probably damaging Het
Baz2b T A 2: 59,792,836 (GRCm39) N431Y possibly damaging Het
Bik T A 15: 83,428,364 (GRCm39) F131I possibly damaging Het
Bmpr1a A G 14: 34,163,082 (GRCm39) Y103H probably damaging Het
Cabp7 C T 11: 4,696,676 (GRCm39) V18M possibly damaging Het
Cacna1h A G 17: 25,603,739 (GRCm39) V1311A probably damaging Het
Cbarp A C 10: 79,973,151 (GRCm39) S16A possibly damaging Het
Ccng2 C G 5: 93,421,202 (GRCm39) S237R probably benign Het
Ces2b A T 8: 105,564,472 (GRCm39) H494L possibly damaging Het
Cfap43 T A 19: 47,728,224 (GRCm39) H1511L possibly damaging Het
Cfap54 A G 10: 92,675,320 (GRCm39) V2867A probably benign Het
Col5a1 C T 2: 27,887,597 (GRCm39) P956L unknown Het
Dcakd T G 11: 102,891,032 (GRCm39) Q19P possibly damaging Het
Ddx47 T A 6: 135,000,301 (GRCm39) D432E probably benign Het
Dhrs7b T C 11: 60,735,055 (GRCm39) F29L probably benign Het
Dis3l2 A T 1: 86,918,025 (GRCm39) D558V possibly damaging Het
Dtx3l T A 16: 35,754,027 (GRCm39) D193V probably damaging Het
Eif1ad12 T C 12: 87,541,663 (GRCm39) L58P probably damaging Het
Epha4 G A 1: 77,376,422 (GRCm39) R486C probably damaging Het
Fam186a T C 15: 99,842,033 (GRCm39) T1404A possibly damaging Het
Fat1 A G 8: 45,490,475 (GRCm39) T3796A probably damaging Het
Ffar2 A T 7: 30,518,929 (GRCm39) W204R probably benign Het
Ftmt A G 18: 52,465,091 (GRCm39) I136V probably benign Het
Gm10300 T C 4: 131,802,167 (GRCm39) W54R unknown Het
Gm10518 C T 1: 179,630,949 (GRCm39) P3L unknown Het
Grm2 G A 9: 106,528,257 (GRCm39) T209M probably damaging Het
Gtdc1 C T 2: 44,525,322 (GRCm39) M176I probably benign Het
Insrr T C 3: 87,710,440 (GRCm39) L382P probably damaging Het
Jade2 A G 11: 51,708,011 (GRCm39) V734A possibly damaging Het
Kcnh4 C T 11: 100,638,472 (GRCm39) R586H probably benign Het
Kdm1a A T 4: 136,279,838 (GRCm39) D721E probably damaging Het
Knl1 G A 2: 118,933,003 (GRCm39) C2054Y possibly damaging Het
Lrrk2 C T 15: 91,584,644 (GRCm39) P354S probably benign Het
Luzp2 A G 7: 54,724,774 (GRCm39) I112V probably damaging Het
Mgl2 T C 11: 70,026,506 (GRCm39) S105P probably damaging Het
Mocs1 T A 17: 49,756,143 (GRCm39) M200K possibly damaging Het
Oat T A 7: 132,168,927 (GRCm39) I98L probably benign Het
Obscn T C 11: 58,920,312 (GRCm39) Y8C Het
Or5b108 G A 19: 13,168,768 (GRCm39) V246I possibly damaging Het
Or6c1b T G 10: 129,273,319 (GRCm39) F213V probably benign Het
Pde1b T A 15: 103,430,082 (GRCm39) M137K possibly damaging Het
Phf21a T C 2: 92,157,484 (GRCm39) I204T probably damaging Het
Plcd4 A G 1: 74,593,838 (GRCm39) E321G possibly damaging Het
Plpp7 C T 2: 31,985,662 (GRCm39) probably benign Het
Prdm1 A G 10: 44,317,566 (GRCm39) I419T probably benign Het
Sec16b A T 1: 157,392,032 (GRCm39) R855W probably damaging Het
Sec16b G T 1: 157,392,033 (GRCm39) R855M probably damaging Het
Sec31b T C 19: 44,511,482 (GRCm39) T640A probably benign Het
Siglec1 T C 2: 130,923,471 (GRCm39) T425A possibly damaging Het
Sirpd A T 3: 15,385,704 (GRCm39) I66N probably benign Het
Skil T C 3: 31,151,324 (GRCm39) probably benign Het
Slc1a5 G A 7: 16,519,623 (GRCm39) V200M probably damaging Het
Slc25a12 T C 2: 71,154,369 (GRCm39) H139R probably benign Het
Slc25a32 A T 15: 38,961,630 (GRCm39) V187D probably damaging Het
Slc35a3 G A 3: 116,505,455 (GRCm39) probably benign Het
Smap2 C A 4: 120,829,264 (GRCm39) M328I probably benign Het
Spef2 C T 15: 9,600,066 (GRCm39) probably null Het
Srarp A G 4: 141,160,389 (GRCm39) V148A possibly damaging Het
Stard9 T A 2: 120,464,755 (GRCm39) Y73* probably null Het
Tars1 A G 15: 11,392,105 (GRCm39) C236R probably benign Het
Tchh G C 3: 93,351,837 (GRCm39) D426H unknown Het
Tnks2 T C 19: 36,836,545 (GRCm39) F17S Het
Ube2g1 T C 11: 72,553,939 (GRCm39) I30T possibly damaging Het
Ube2o C T 11: 116,434,761 (GRCm39) D567N possibly damaging Het
Unc5b A T 10: 60,608,002 (GRCm39) Y710* probably null Het
Vmn1r215 T C 13: 23,260,089 (GRCm39) V43A possibly damaging Het
Xkr8 A G 4: 132,455,648 (GRCm39) F242L probably benign Het
Zfp526 T A 7: 24,925,345 (GRCm39) C535S 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
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'- TTTGATCCTGCCTAGGCGTG -3'
(R):5'- CAGAGTCTCTCTTCTGCCTAGAGC -3'

Sequencing Primer
(F):5'- TAGGCGTGGCTCCAGAC -3'
(R):5'- TAGAGCCCTCCTCCATGAC -3'
Posted On 2019-06-26