Incidental Mutation 'R7409:Cacna1a'
ID574930
Institutional Source Beutler Lab
Gene Symbol Cacna1a
Ensembl Gene ENSMUSG00000034656
Gene Namecalcium channel, voltage-dependent, P/Q type, alpha 1A subunit
SynonymsCacnl1a4, alpha1A, SCA6, nmf352, Ccha1a
MMRRC Submission
Accession Numbers
Is this an essential gene? Probably essential (E-score: 0.934) question?
Stock #R7409 (G1)
Quality Score225.009
Status Validated
Chromosome8
Chromosomal Location84388440-84640246 bp(+) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) T to G at 84533402 bp
ZygosityHeterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 331 (D331E)
Ref Sequence ENSEMBL: ENSMUSP00000112436 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000121390] [ENSMUST00000122053]
Predicted Effect probably damaging
Transcript: ENSMUST00000121390
AA Change: D331E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: D331E

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 damaging
Transcript: ENSMUST00000122053
AA Change: D284E

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: D284E

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
Meta Mutation Damage Score 0.2258 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.6%
Validation Efficiency 98% (82/84)
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: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610301B20Rik T A 4: 10,881,834 C94S probably benign Het
2610507B11Rik G T 11: 78,268,757 R544L probably damaging Het
Adgrb2 C T 4: 130,019,069 A1329V probably benign Het
Aida A G 1: 183,318,874 T215A probably benign Het
Alpk2 A G 18: 65,306,952 S457P probably benign Het
Ap4b1 G A 3: 103,812,158 V63I probably damaging Het
Apaf1 A G 10: 91,067,246 V182A probably damaging Het
B4galnt4 G A 7: 141,067,003 probably null Het
Carmil2 A G 8: 105,692,791 probably null Het
Cdkn1b A T 6: 134,921,317 Q133L probably benign Het
Cep192 G C 18: 67,834,803 S786T possibly damaging Het
Cfap97 G A 8: 46,192,696 R537H probably benign Het
Clpx C G 9: 65,324,247 A552G possibly damaging Het
Cryl1 G A 14: 57,286,385 T240I probably damaging Het
Ddx60 C A 8: 61,958,578 T488K probably benign Het
Dennd4b A G 3: 90,273,952 H805R probably benign Het
Dnmbp T C 19: 43,890,557 D25G unknown Het
Dysf A C 6: 84,149,682 D1293A probably benign Het
Efl1 T C 7: 82,697,913 L549P probably damaging Het
Eif5 T C 12: 111,540,263 probably benign Het
Eva1c A G 16: 90,869,656 K156E probably damaging Het
Fbxw10 T G 11: 62,876,780 V814G possibly damaging Het
Gfap C T 11: 102,894,532 R206Q probably benign Het
Gjb6 A T 14: 57,124,153 L217* probably null Het
Gpatch11 T A 17: 78,839,166 L80Q probably damaging Het
Gramd1b T C 9: 40,327,431 Q225R probably damaging Het
Gsdmc2 A G 15: 63,833,346 S173P possibly damaging Het
Hars C G 18: 36,770,113 R388P probably damaging Het
Ighm C T 12: 113,422,232 R129H Het
Igsf9 A G 1: 172,495,274 I602V probably benign Het
Inpp4b T G 8: 81,952,685 probably null Het
Itch C A 2: 155,199,382 T450K probably damaging Het
Kcnq1 T C 7: 143,109,415 F20L unknown Het
Kmt2d G T 15: 98,855,354 A153E probably damaging Het
Macf1 T A 4: 123,504,470 N750I probably damaging Het
Marveld2 T A 13: 100,611,476 H365L probably damaging Het
Med13l T A 5: 118,754,321 D1936E probably benign Het
Mettl8 A T 2: 70,973,343 V200E probably damaging Het
Mrgbp T G 2: 180,585,342 S157A possibly damaging Het
Mrps35 A G 6: 147,055,983 T169A possibly damaging Het
Mycbp2 A T 14: 103,288,744 Y551N probably damaging Het
Myo18b T C 5: 112,874,105 R474G probably benign Het
Nfx1 T A 4: 41,021,830 S979R possibly damaging Het
Nlrp1a T C 11: 71,122,808 T539A probably benign Het
Oca2 T A 7: 56,414,397 D713E probably benign Het
Olfr433 T A 1: 174,042,533 H194Q probably benign Het
Olfr60 C T 7: 140,345,405 V195I probably benign Het
Olfr768 A G 10: 129,093,212 I254T probably damaging Het
Olfr816 A T 10: 129,912,251 V9D possibly damaging Het
Omt2b A C 9: 78,328,612 Y73S probably benign Het
Pde11a G T 2: 76,005,984 Q20K Het
Peg10 CCACATCAGGATCCACATCAGGATGCACATCAGCATCAGGATCCCCATCAGGATGCACATCAGGATCCACATCAGGATGCACATCAG CCACATCAGGATCCACATCAGGATGCACATCAG 6: 4,756,398 probably benign Het
Phrf1 C A 7: 141,259,292 T800K unknown Het
Pramel4 T C 4: 144,068,491 S486P probably benign Het
Proc T C 18: 32,127,460 D204G probably benign Het
Rasgrp3 T A 17: 75,516,416 I494N possibly damaging Het
Samm50 A G 15: 84,197,030 D53G probably benign Het
Satb1 T C 17: 51,809,189 D22G possibly damaging Het
Scarf2 T C 16: 17,807,054 S658P probably damaging Het
Sfta2 T A 17: 35,614,518 I29K unknown Het
Slc15a4 A T 5: 127,604,678 S292T probably benign Het
Slc37a1 C T 17: 31,340,263 T439I probably damaging Het
Slc4a9 C A 18: 36,530,805 P294Q probably damaging Het
Slc52a3 T C 2: 152,004,166 S16P probably damaging Het
Slc6a15 A G 10: 103,408,302 I468V probably benign Het
Spag17 T C 3: 100,027,231 S610P possibly damaging Het
Spag17 A T 3: 100,034,159 D738V probably benign Het
Ssbp4 T C 8: 70,597,967 R269G unknown Het
Tbl1xr1 A G 3: 22,203,190 T406A possibly damaging Het
Tep1 A T 14: 50,866,855 V194D possibly damaging Het
Thbs4 A T 13: 92,773,259 C343* probably null Het
Tmed10 A T 12: 85,344,291 S158T possibly damaging Het
Trbv3 T A 6: 41,048,590 V38E probably damaging Het
Ttc6 T C 12: 57,696,986 M1258T probably damaging Het
Ttn T C 2: 76,758,976 D21281G probably damaging Het
Twistnb T G 12: 33,436,989 C150W possibly damaging Het
Usp54 T C 14: 20,552,245 R1346G probably damaging Het
Vmn2r8 C A 5: 108,808,583 E58* probably null Het
Vps13d C T 4: 145,141,254 E2009K Het
Vps33b T C 7: 80,285,269 I320T probably damaging Het
Vwa8 A C 14: 78,982,234 probably null Het
Ythdf1 T C 2: 180,911,993 Y143C probably damaging Het
Zfp213 C T 17: 23,559,629 probably null Het
Zfp219 A T 14: 52,007,113 Y536* probably null Het
Other mutations in Cacna1a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00507:Cacna1a APN 8 84571208 nonsense probably null
IGL00513:Cacna1a APN 8 84553056 missense probably damaging 1.00
IGL00569:Cacna1a APN 8 84462714 missense probably damaging 1.00
IGL00981:Cacna1a APN 8 84548553 missense probably damaging 1.00
IGL01122:Cacna1a APN 8 84614793 critical splice donor site probably null
IGL01309:Cacna1a APN 8 84523028 missense probably damaging 1.00
IGL01380:Cacna1a APN 8 84559117 missense probably damaging 1.00
IGL01638:Cacna1a APN 8 84571827 missense probably damaging 0.98
IGL01682:Cacna1a APN 8 84536438 missense possibly damaging 0.71
IGL02751:Cacna1a APN 8 84569952 missense probably damaging 1.00
IGL02904:Cacna1a APN 8 84579520 missense probably damaging 1.00
IGL03122:Cacna1a APN 8 84462676 splice site probably benign
totter UTSW 8 84588753 missense probably damaging 0.99
totter2 UTSW 8 84588753 missense probably damaging 0.99
FR4340:Cacna1a UTSW 8 84638723 small insertion probably benign
FR4449:Cacna1a UTSW 8 84638714 small insertion probably benign
FR4449:Cacna1a UTSW 8 84638720 small insertion probably benign
FR4449:Cacna1a UTSW 8 84638723 small insertion probably benign
FR4548:Cacna1a UTSW 8 84638717 small insertion probably benign
FR4737:Cacna1a UTSW 8 84638720 small insertion probably benign
FR4737:Cacna1a UTSW 8 84638726 small insertion probably benign
FR4976:Cacna1a UTSW 8 84638717 small insertion probably benign
FR4976:Cacna1a UTSW 8 84638726 small insertion probably benign
IGL03134:Cacna1a UTSW 8 84559087 missense probably damaging 1.00
R0055:Cacna1a UTSW 8 84580058 splice site probably benign
R0118:Cacna1a UTSW 8 84536083 missense probably damaging 1.00
R0284:Cacna1a UTSW 8 84612285 missense probably damaging 1.00
R0581:Cacna1a UTSW 8 84601936 missense possibly damaging 0.83
R0607:Cacna1a UTSW 8 84629831 missense probably damaging 1.00
R1168:Cacna1a UTSW 8 84579501 missense probably damaging 1.00
R1183:Cacna1a UTSW 8 84580217 missense probably damaging 1.00
R1470:Cacna1a UTSW 8 84514950 splice site probably benign
R1503:Cacna1a UTSW 8 84601946 missense probably benign 0.23
R1522:Cacna1a UTSW 8 84633433 missense probably benign 0.00
R1835:Cacna1a UTSW 8 84581357 splice site probably null
R1862:Cacna1a UTSW 8 84415930 missense possibly damaging 0.80
R2148:Cacna1a UTSW 8 84629675 missense possibly damaging 0.71
R2237:Cacna1a UTSW 8 84633765 critical splice donor site probably null
R2567:Cacna1a UTSW 8 84549725 missense probably damaging 1.00
R2999:Cacna1a UTSW 8 84567742 missense probably damaging 1.00
R3025:Cacna1a UTSW 8 84580225 critical splice donor site probably null
R3610:Cacna1a UTSW 8 84559065 missense probably damaging 1.00
R3702:Cacna1a UTSW 8 84617846 missense probably damaging 0.98
R3763:Cacna1a UTSW 8 84583642 missense possibly damaging 0.85
R4025:Cacna1a UTSW 8 84581333 missense probably damaging 1.00
R4026:Cacna1a UTSW 8 84581333 missense probably damaging 1.00
R4106:Cacna1a UTSW 8 84583695 missense possibly damaging 0.85
R4296:Cacna1a UTSW 8 84559293 missense probably damaging 1.00
R4664:Cacna1a UTSW 8 84601767 nonsense probably null
R4713:Cacna1a UTSW 8 84549514 missense probably damaging 1.00
R5223:Cacna1a UTSW 8 84587195 missense possibly damaging 0.94
R5408:Cacna1a UTSW 8 84549707 missense probably damaging 1.00
R5644:Cacna1a UTSW 8 84462777 missense probably damaging 1.00
R5734:Cacna1a UTSW 8 84583731 missense probably damaging 0.96
R5786:Cacna1a UTSW 8 84415721 unclassified probably benign
R5833:Cacna1a UTSW 8 84518697 missense probably damaging 1.00
R5886:Cacna1a UTSW 8 84523022 missense probably damaging 0.99
R6049:Cacna1a UTSW 8 84638846 missense probably damaging 0.96
R6054:Cacna1a UTSW 8 84556785 missense probably damaging 0.99
R6117:Cacna1a UTSW 8 84614721 missense probably damaging 1.00
R6149:Cacna1a UTSW 8 84569952 missense probably damaging 1.00
R6195:Cacna1a UTSW 8 84588753 missense probably damaging 0.99
R6233:Cacna1a UTSW 8 84588753 missense probably damaging 0.99
R6607:Cacna1a UTSW 8 84579492 missense probably damaging 1.00
R6753:Cacna1a UTSW 8 84580205 missense probably damaging 1.00
R6798:Cacna1a UTSW 8 84611602 missense probably damaging 1.00
R6831:Cacna1a UTSW 8 84571231 missense probably damaging 1.00
R6980:Cacna1a UTSW 8 84612285 missense possibly damaging 0.85
R7051:Cacna1a UTSW 8 84629915 missense possibly damaging 0.85
R7270:Cacna1a UTSW 8 84571237 missense probably damaging 1.00
R7491:Cacna1a UTSW 8 84559293 missense possibly damaging 0.92
R7511:Cacna1a UTSW 8 84567682 missense possibly damaging 0.75
R7745:Cacna1a UTSW 8 84559394 missense probably benign 0.01
R7872:Cacna1a UTSW 8 84583654 missense probably damaging 1.00
R7899:Cacna1a UTSW 8 84594173 missense possibly damaging 0.72
R7986:Cacna1a UTSW 8 84638779 missense probably benign 0.02
R8126:Cacna1a UTSW 8 84633252 missense probably benign 0.02
R8266:Cacna1a UTSW 8 84559219 missense probably damaging 1.00
R8458:Cacna1a UTSW 8 84549458 missense probably damaging 1.00
R8504:Cacna1a UTSW 8 84638741 missense probably benign
R8530:Cacna1a UTSW 8 84612414 critical splice donor site probably null
RF029:Cacna1a UTSW 8 84638724 small insertion probably benign
X0022:Cacna1a UTSW 8 84633699 missense possibly damaging 0.53
Z1176:Cacna1a UTSW 8 84415676 missense unknown
Z1177:Cacna1a UTSW 8 84579491 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTGACATGAGACAGCTTTGTCC -3'
(R):5'- CTTGCTGACTGAAACCAGGAAG -3'

Sequencing Primer
(F):5'- GTATCTTGGTGATAGCCCCCAAAC -3'
(R):5'- CTGAAACCAGGAAGGAAGTTTCTTC -3'
Posted On2019-10-07