Incidental Mutation 'R1183:Cacna1a'
ID 101756
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 039255-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.924) question?
Stock # R1183 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 85065268-85366875 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85306846 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 1367 (D1367G)
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: D1367G

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000112436
Gene: ENSMUSG00000034656
AA Change: D1367G

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: D1320G

PolyPhen 2 Score 0.922 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000114055
Gene: ENSMUSG00000034656
AA Change: D1320G

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: D1319G
Coding Region Coverage
  • 1x: 98.9%
  • 3x: 97.9%
  • 10x: 95.0%
  • 20x: 88.8%
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: 83 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aars1 T G 8: 111,768,206 (GRCm39) Y192* probably null Het
Abcc6 T C 7: 45,634,677 (GRCm39) Y1100C probably damaging Het
Adamtsl2 T C 2: 26,974,092 (GRCm39) W132R probably damaging Het
Adgra2 T A 8: 27,604,416 (GRCm39) V497E probably damaging Het
Adtrp T G 13: 41,981,813 (GRCm39) probably benign Het
Alg9 T A 9: 50,700,833 (GRCm39) L201Q possibly damaging Het
Ap4e1 T A 2: 126,856,121 (GRCm39) I84K probably damaging Het
Atrnl1 T C 19: 57,638,725 (GRCm39) S288P probably damaging Het
Bltp1 T A 3: 36,949,452 (GRCm39) L366Q possibly damaging Het
Card19 C T 13: 49,358,727 (GRCm39) R82Q probably damaging Het
Cep128 T C 12: 91,292,372 (GRCm39) I226V possibly damaging Het
Ces1f A C 8: 93,994,633 (GRCm39) D259E probably benign Het
Ckap5 T A 2: 91,416,611 (GRCm39) M1072K probably benign Het
Dcpp2 T A 17: 24,119,468 (GRCm39) V94D probably benign Het
Dnah2 T C 11: 69,337,474 (GRCm39) D3209G possibly damaging Het
Dsg1c A G 18: 20,416,255 (GRCm39) T719A probably damaging Het
Dsp G A 13: 38,375,716 (GRCm39) W1167* probably null Het
Eml5 T C 12: 98,758,305 (GRCm39) I1874V probably benign Het
Epg5 A G 18: 78,003,926 (GRCm39) T645A probably damaging Het
F2rl2 T C 13: 95,837,621 (GRCm39) L222S probably damaging Het
Fam114a1 T A 5: 65,191,731 (GRCm39) C495S probably damaging Het
Fbn1 A T 2: 125,163,537 (GRCm39) D2106E probably benign Het
Fgf14 T A 14: 124,913,936 (GRCm39) N65I probably benign Het
Fip1l1 T C 5: 74,755,763 (GRCm39) Y497H probably damaging Het
Fn1 A C 1: 71,625,404 (GRCm39) D2376E probably damaging Het
Foxd2 T C 4: 114,764,662 (GRCm39) T453A possibly damaging Het
Galnt1 G T 18: 24,404,647 (GRCm39) W328L probably damaging Het
Gapt A G 13: 110,490,372 (GRCm39) V97A possibly damaging Het
Gatad1 A G 5: 3,693,707 (GRCm39) V154A possibly damaging Het
Gdf15 A G 8: 71,084,202 (GRCm39) F21L probably benign Het
Igdcc4 T C 9: 65,029,182 (GRCm39) F273S possibly damaging Het
Invs A T 4: 48,421,725 (GRCm39) R786W possibly damaging Het
Itfg1 T G 8: 86,507,152 (GRCm39) E236A probably benign Het
Jak3 A T 8: 72,137,194 (GRCm39) I752F probably damaging Het
Kcnip3 C A 2: 127,306,985 (GRCm39) G144W probably damaging Het
Kctd19 T C 8: 106,109,598 (GRCm39) H925R probably benign Het
Kdr C T 5: 76,107,511 (GRCm39) A1011T probably damaging Het
Kif13b C A 14: 65,019,826 (GRCm39) H1398Q probably benign Het
Lrp4 A T 2: 91,307,864 (GRCm39) probably null Het
Lrtm2 T C 6: 119,297,846 (GRCm39) D65G probably benign Het
Lyz1 A G 10: 117,128,715 (GRCm39) L10P probably damaging Het
Metap2 A T 10: 93,706,046 (GRCm39) N245K probably damaging Het
Mms19 T C 19: 41,943,270 (GRCm39) D297G possibly damaging Het
Mocs3 A G 2: 168,073,573 (GRCm39) D340G possibly damaging Het
Mtfr1l A G 4: 134,256,436 (GRCm39) L243P probably damaging Het
Mtss1 A G 15: 58,842,897 (GRCm39) I105T probably damaging Het
Myo18a T C 11: 77,748,571 (GRCm39) S1967P probably damaging Het
Ncor2 T C 5: 125,100,585 (GRCm39) N2248S possibly damaging Het
Nfatc2 T C 2: 168,432,008 (GRCm39) D35G possibly damaging Het
Nup210l T A 3: 90,067,252 (GRCm39) M764K probably benign Het
Or10a3n A G 7: 108,492,948 (GRCm39) L222P probably damaging Het
Otof T C 5: 30,529,256 (GRCm39) S1753G probably damaging Het
Otog G A 7: 45,939,179 (GRCm39) V2070I probably benign Het
Piezo2 A G 18: 63,219,824 (GRCm39) V961A probably damaging Het
Pofut1 C T 2: 153,103,158 (GRCm39) S169L probably benign Het
Ppp1r10 T A 17: 36,240,335 (GRCm39) S542T possibly damaging Het
Prpf8 T C 11: 75,381,156 (GRCm39) Y219H possibly damaging Het
Ptges3l T C 11: 101,312,731 (GRCm39) D113G possibly damaging Het
Pycr3 G A 15: 75,790,647 (GRCm39) L71F probably benign Het
Ramp3 A G 11: 6,624,867 (GRCm39) K54E possibly damaging Het
Rbpms C A 8: 34,294,100 (GRCm39) Q214H possibly damaging Het
Rif1 GCCACCA GCCA 2: 52,000,336 (GRCm39) probably benign Het
Robo4 C A 9: 37,319,348 (GRCm39) D565E probably damaging Het
S100a1 C T 3: 90,418,641 (GRCm39) V58I probably benign Het
Setx T A 2: 29,070,104 (GRCm39) D2636E probably benign Het
Sun2 A T 15: 79,612,669 (GRCm39) V417E probably damaging Het
Tbccd1 T C 16: 22,660,519 (GRCm39) N99S probably benign Het
Tex15 A G 8: 34,064,893 (GRCm39) D1441G probably benign Het
Tmc2 T A 2: 130,089,896 (GRCm39) M627K probably damaging Het
Trim32 A G 4: 65,532,628 (GRCm39) Y395C probably benign Het
Trpm2 A G 10: 77,759,398 (GRCm39) Y1129H probably damaging Het
Trpm8 A T 1: 88,275,813 (GRCm39) R470S probably damaging Het
Tsg101 G T 7: 46,539,372 (GRCm39) D389E probably benign Het
Ubn1 T C 16: 4,882,406 (GRCm39) L46P probably damaging Het
Ubr5 T C 15: 37,997,419 (GRCm39) I1745V possibly damaging Het
Usp20 T C 2: 30,901,797 (GRCm39) Y521H probably benign Het
Vmn1r159 A T 7: 22,543,019 (GRCm39) H4Q probably null Het
Vmn2r27 T A 6: 124,177,491 (GRCm39) E504D probably benign Het
Wdr72 A T 9: 74,086,867 (GRCm39) I612F probably benign Het
Zbtb8a T C 4: 129,251,520 (GRCm39) H317R possibly damaging Het
Zfp507 T C 7: 35,494,315 (GRCm39) S243G probably damaging Het
Zfp764 A G 7: 127,005,419 (GRCm39) W73R probably damaging Het
Zmym4 A T 4: 126,819,632 (GRCm39) D90E 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
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
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'- AGGCAGAGCCGGAGCTATTTAAAAC -3'
(R):5'- AGGGGCAAACCCAGGTTCTCAAAC -3'

Sequencing Primer
(F):5'- cagaactcttgcctagtgtacc -3'
(R):5'- tgtgacaagtgctcactcc -3'
Posted On 2014-01-15