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SCN2A

sodium voltage-gated channel alpha subunit 2

HCNC Approved Symbol
SCN2A (HGNC:10588)
Genomic Coordinates
2:165,239,414 - 165,392,304 (2q24.3)
Synonyms
Nav1.2, HBSCII, HBSCI, SCN2A1, SCN2A2
Disease Associations
This gene is associated with the following 3 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
Developmental and epileptic encephalopathy 11
613721AD
Episodic ataxia, type 9
618924AD
Seizures, benign familial infantile, 3
607745AD

Diagnosed Cases

52Patients

In total, 52 patients were diagnosed with a variant in the SCN2A gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Seizures
 10 (19.2%)
Epilepsy
 10 (19.2%)
Epileptic encephalopathy
 9 (17.3%)
Global developmental delay
 8 (15.4%)
Hypotonia
 
6 (11.5%)