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GRIN2B

glutamate ionotropic receptor NMDA type subunit 2B

HCNC Approved Symbol
GRIN2B (HGNC:4586)
Genomic Coordinates
12:13,537,337 - 13,982,134 (12p13.1)
Synonyms
GluN2B, NR2B, NMDAR2B
Disease Associations
This gene is associated with the following 2 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
Developmental and epileptic encephalopathy 27
616139AD
Intellectual developmental disorder, autosomal dominant 6, with or without seizures
613970AD

Diagnosed Cases

23Patients

In total, 23 patients were diagnosed with a variant in the GRIN2B gene.

Frequently observed phenotypes

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

Global developmental delay
 10 (43.5%)
Hypotonia
 6 (26.1%)
Microcephaly
 5 (21.7%)
Generalized hypotonia
 
3 (13.0%)
Global development delay
 
3 (13.0%)