Incidental Mutation 'R6753:Cacna1a'
ID530894
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: 0.939) question?
Stock #R6753 (G1)
Quality Score216.009
Status Validated
Chromosome8
Chromosomal Location84388440-84640246 bp(+) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) A to G at 84580205 bp
ZygosityHeterozygous
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]
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: 120,010,151 P1083S probably benign Het
Abcb5 T A 12: 118,944,906 N101I possibly damaging Het
Adrb2 A G 18: 62,179,553 V67A possibly damaging Het
Agk T A 6: 40,368,570 probably null Het
Akap10 A T 11: 61,886,777 M586K probably damaging Het
Akt3 A T 1: 177,050,190 Y337* probably null Het
Armc1 A G 3: 19,144,398 F133L possibly damaging Het
Bank1 T C 3: 136,093,308 E424G probably damaging Het
Cacna1d C A 14: 30,042,786 A2076S probably damaging Het
Ccdc73 T A 2: 104,991,524 L606* probably null Het
Ccdc8 C T 7: 16,996,637 Q684* probably null Het
Ces1b T A 8: 93,067,020 K314* probably null Het
Ces1e T A 8: 93,215,128 N238I probably damaging Het
Chd4 A G 6: 125,114,300 N1238S probably benign Het
Cmtr2 T A 8: 110,222,979 D640E probably damaging Het
Col7a1 C T 9: 108,958,128 T559I unknown Het
Comt T C 16: 18,408,021 K205R probably benign Het
Dbp A T 7: 45,708,404 E232V probably damaging Het
Dcbld2 A G 16: 58,456,130 T470A possibly damaging Het
Eml6 T A 11: 29,754,987 D1519V probably damaging Het
Evpl T A 11: 116,237,906 H31L possibly damaging Het
Exoc1 T A 5: 76,563,339 I86N probably damaging Het
Fat3 C T 9: 15,915,061 E4532K possibly damaging Het
Fgfr3 T C 5: 33,732,159 S301P probably benign Het
Gas2l1 C T 11: 5,064,254 V69I probably damaging Het
Gm2042 T A 12: 87,958,084 I107K probably damaging Het
Gucy1b1 T C 3: 82,039,747 D385G probably null Het
Ints1 T A 5: 139,765,175 E824D probably damaging Het
Itfg1 T C 8: 85,835,078 D142G probably benign Het
Jaml A G 9: 45,107,379 N359D probably benign Het
Kcnh7 T A 2: 62,850,377 I289L probably benign Het
Klf12 G A 14: 100,109,776 Q40* probably null Het
Mcm4 A C 16: 15,629,362 N579K possibly damaging Het
Mfsd2b A T 12: 4,867,358 F179I possibly damaging Het
Mmp11 C T 10: 75,928,374 V86M probably damaging Het
Mogs T C 6: 83,115,882 V101A probably damaging Het
Narf T A 11: 121,242,626 H84Q probably benign Het
Olfr987 C A 2: 85,331,798 M33I probably benign Het
Otog A C 7: 46,249,071 E204D probably benign Het
Parp8 G A 13: 116,895,115 H354Y possibly damaging Het
Pcnx C A 12: 81,964,480 D1238E probably damaging Het
Pi4ka A G 16: 17,376,982 L184P possibly damaging Het
Pkd1l3 C T 8: 109,624,449 T642I probably damaging Het
Pkhd1l1 G A 15: 44,589,663 E3995K probably benign Het
Prdm9 A T 17: 15,544,956 Y521N probably benign Het
Prex2 A G 1: 11,184,456 S1105G probably damaging Het
Prss35 T A 9: 86,756,100 F308I probably damaging Het
Rab22a C T 2: 173,701,055 A167V probably benign Het
Rims2 A G 15: 39,566,973 Q871R possibly damaging Het
Rorb A T 19: 18,957,247 M253K probably benign Het
Ryr3 T C 2: 112,652,610 D4269G probably damaging Het
Snx11 T C 11: 96,769,906 probably benign Het
Son A G 16: 91,657,188 Q941R probably damaging Het
Sptbn2 G T 19: 4,747,785 R1880L probably benign Het
Sun1 G A 5: 139,215,259 probably null Het
Tprn A G 2: 25,264,038 R451G probably benign Het
Trbv30 T A 6: 41,281,377 M1K probably null Het
Ttn C A 2: 76,738,221 G25697W probably damaging Het
Ubb T G 11: 62,551,527 probably null Het
Unc13b C T 4: 43,239,331 R1038C probably damaging Het
Usp7 T C 16: 8,696,911 M687V probably benign Het
Zfp160 G A 17: 21,020,734 M21I probably benign Het
Zfp868 T C 8: 69,612,096 N196S probably benign Het
Zufsp A T 10: 33,928,029 I483N probably damaging 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
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
X0022:Cacna1a UTSW 8 84633699 missense possibly damaging 0.53
Predicted Primers PCR Primer
(F):5'- AATGTTTTCAGCTCACCCAAC -3'
(R):5'- ACCCAGTCTTAGACGTCTCC -3'

Sequencing Primer
(F):5'- TTTCAGCTCACCCAACCCCAC -3'
(R):5'- TGGTCTCAAAACTCAGGGTGATCC -3'
Posted On2018-08-01