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Gene: CACNA1I (calcium voltage-gated channel subunit alpha1 I) Homo sapiens
Symbol: CACNA1I
Name: calcium voltage-gated channel subunit alpha1 I
Description: Predicted to have low voltage-gated calcium channel activity and voltage-gated sodium channel activity. Predicted to be involved in several processes, including calcium ion import; neuronal action potential; and positive regulation of calcium ion-dependent exocytosis. Predicted to localize to the voltage-gated sodium channel complex.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: ca(v)3.3; calcium channel, voltage-dependent, alpha 1I subunit; calcium channel, voltage-dependent, T type, alpha 1I subunit; Cav3.3; KIAA1120; voltage-dependent T-type calcium channel subunit alpha-1I; voltage-gated calcium channel subunit alpha Cav3.3
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh382239,570,753 - 39,689,737 (+)NCBIGRCh38GRCh38hg38GRCh38
GRCh372239,966,758 - 40,085,740 (+)NCBIGRCh37GRCh37hg19GRCh37
Build 362238,296,704 - 38,415,686 (+)NCBINCBI36hg18NCBI36
Build 342238,291,257 - 38,410,238NCBI
Celera2223,768,830 - 23,887,794 (+)NCBI
Cytogenetic Map22q13.1NCBI
HuRef2222,931,166 - 23,048,848 (+)NCBIHuRef
CHM1_12239,925,499 - 40,044,841 (+)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Molecular Pathway Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status



Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
Nomenclature History
More on CACNA1I
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

RGD Object Information
RGD ID: 68996
Created: 2001-11-06
Species: Homo sapiens
Last Modified: 2019-10-16
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.