Paralogue Annotation for CACNA1C residue 1166

Residue details

Gene: CACNA1C
Reference Sequences: LRG: LRG_334, Ensembl variant: ENST00000399655 / ENSP00000382563
Amino Acid Position: 1166
Reference Amino Acid: I - Isoleucine
Protein Domain: TM domain 3


Paralogue Variants mapped to CACNA1C residue 1166

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
SCN2AI1473MNeonatal-infantile seizuresHigh9 19786696, 25525159
SCN1AI1483MEpilepsy ?High9 21248271

To assess whether the paralogue annotation here confidently predicts that variation at this residue is pathogenic, it is important to check the reports in the Pubmed links above to ascertain that the mutations in these paralogues have been proved likely to be disease-causing. It is also important to check that the direction of effect of the variant in the paralogue is compatible with your observed phenotype in CACNA1C.



CACNA1CYNYRVEISIFFIIYIIIIAFFMMNIFVGFV>I<VTFQEQGEQE----YKNCELDKNQR-----1187
CACNA1APGYRMEMSIFYVVYFVVFPFFFVNIFVALI>I<ITFQEQGDKM----MEEYSLEKNER-----1532
CACNA1BPGYRMELSIFYVVYFVVFPFFFVNIFVALI>I<ITFQEQGDKV----MSECSLEKNER-----1438
CACNA1DYNHRVEISIFFIIYIIIVAFFMMNIFVGFV>I<VTFQEQGEKE----YKNCELDKNQR-----1193
CACNA1ERSNRMEMSIFYVVYFVVFPFFFVNIFVALI>I<ITFQEQGDKM----MEECSLEKNER-----1444
CACNA1FYNYRVEISVFFIVYIIIIAFFMMNIFVGFV>I<ITFRAQGEQE----YQNCELDKNQR-----1158
CACNA1GMNHNPWMLLYFISFLLIVAFFVLNMFVGVV>V<ENFHKCRQHQEEEEARRREEKRLRRLEKKR1567
CACNA1HQNHNPWMLLYFISFLLIVSFFVLNMFVGVV>V<ENFHKCRQHQEAEEARRREEK---------1576
CACNA1ITNHNPWMLLYFISFLLIVSFFVLNMFVGVV>V<ENFHKCRQHQEAEEARRREEK---------1452
CACNA1SYNNRVEMAIFFIIYIILIAFFMMNIFVGFV>I<VTFQEQGETE----YKNCELDKNQR-----1086
SCN10AWEDNVYMYLYFVIFIIFGGFFTLNLFVGVI>I<DNFNQQKKKLGGQDIFMTEEQKKYY-----1443
SCN11AFESNSLGYIYFVVFIIFGSFFTLNLFIGVI>I<DNFNQQQKKLGGQDIFMTEEQKKYY-----1333
SCN1AYEESLYMYLYFVIFIIFGSFFTLNLFIGVI>I<DNFNQQKKKFGGQDIFMTEEQKKYY-----1508
SCN2AYEDNLYMYLYFVIFIIFGSFFTLNLFIGVI>I<DNFNQQKKKFGGQDIFMTEEQKKYY-----1498
SCN3AYEENLYMYLYFVIFIIFGSFFTLNLFIGVI>I<DNFNQQKKKFGGQDIFMTEEQKKYY-----1493
SCN4AYEVNLYMYLYFVIFIIFGSFFTLNLFIGVI>I<DNFNQQKKKLGGKDIFMTEEQKKYY-----1320
SCN5AWEYNLYMYIYFVIFIIFGSFFTLNLFIGVI>I<DNFNQQKKKLGGQDIFMTEEQKKYY-----1495
SCN7AFEVNIYMYCYFINFIIFGVFLPLSMLITVI>I<DNFNKHKIKLGGSNIFITVKQRKQY-----1218
SCN8AYEDNIYMYIYFVIFIIFGSFFTLNLFIGVI>I<DNFNQQKKKFGGQDIFMTEEQKKYY-----1489
SCN9AYEYSLYMYIYFVVFIIFGSFFTLNLFIGVI>I<DNFNQQKKKLGGQDIFMTEEQKKYY-----1471
cons                              > <                              

See full Alignment of Paralogues


Known Variants in CACNA1C

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.I1166Tc.3497T>C Inherited ArrhythmiaLQTSSIFT:
Polyphen:
ReportsInherited ArrhythmiaLQTS Dentition abnormalities in a Timothy syndrome patient with a novel genetic mutation: a case report. Pediatr Dent. 2014 36(3):245-9. 24960393
Inherited ArrhythmiaLQTS Novel Timothy syndrome mutation leading to increase in CACNA1C window current. Heart Rhythm. 2015 12(1):211-9. doi: 10.1016/j.hrthm.2014.09.051. 25260352
Inherited ArrhythmiaLQTS Novel Timothy syndrome mutation leading to increase in CACNA1C window current. Heart Rhythm. 2015 12(1):211-9. doi: 10.1016/j.hrthm.2014.09.051. 25260352
Inherited ArrhythmiaLQTS Gain-of-function mutations in the calcium channel CACNA1C (Cav1.2) cause non-syndromic long-QT but not Timothy syndrome. J Mol Cell Cardiol. 2015 80:186-95. doi: 10.1016/j.yjmcc.2015.01.002. 25633834
Inherited ArrhythmiaLQTS Gain-of-function mutations in the calcium channel CACNA1C (Cav1.2) cause non-syndromic long-QT but not Timothy syndrome. J Mol Cell Cardiol. 2015 80:186-95. doi: 10.1016/j.yjmcc.2015.01.002. 25633834
Other Disease Phenotype Diagnostic exome sequencing provides a molecular diagnosis for a significant proportion of patients with epilepsy. Genet Med. 2016 18(9):898-905. doi: 10.1038/gim.2015.186. 26795593
p.I1166Vc.3496A>G Inherited ArrhythmiaLQTSSIFT:
Polyphen:
ReportsInherited ArrhythmiaLQTS Gain-of-function mutations in the calcium channel CACNA1C (Cav1.2) cause non-syndromic long-QT but not Timothy syndrome. J Mol Cell Cardiol. 2015 80:186-95. doi: 10.1016/j.yjmcc.2015.01.002. 25633834