NM_001134407.3(GRIN2A):c.2663C>G (p.Thr888Arg) AND Inborn genetic diseases

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Nov 12, 2018
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV002438782.2

Allele description [Variation Report for NM_001134407.3(GRIN2A):c.2663C>G (p.Thr888Arg)]

NM_001134407.3(GRIN2A):c.2663C>G (p.Thr888Arg)

Gene:

GRIN2A:glutamate ionotropic receptor NMDA type subunit 2A [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

16p13.2

Genomic location:

Preferred name:

NM_001134407.3(GRIN2A):c.2663C>G (p.Thr888Arg)

HGVS:

NC_000016.10:g.9764881G>C
NG_011812.2:g.422874C>G
NM_000833.5:c.2663C>G
NM_001134407.3:c.2663C>GMANE SELECT
NM_001134408.2:c.2663C>G
NP_000824.1:p.Thr888Arg
NP_001127879.1:p.Thr888Arg
NP_001127880.1:p.Thr888Arg
NC_000016.9:g.9858738G>C
NM_000833.3:c.2663C>G

Protein change:

T888R

Links:

dbSNP: rs149698593

NCBI 1000 Genomes Browser:

rs149698593

Molecular consequence:

NM_000833.5:c.2663C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001134407.3:c.2663C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001134408.2:c.2663C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Inborn genetic diseases
Identifiers:: MeSH: D030342; MedGen: C0950123

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002744830	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Nov 12, 2018)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002744830

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Nov 12, 2018)

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From Ambry Genetics, SCV002744830.2

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

The p.T888R variant (also known as c.2663C>G), located in coding exon 12 of the GRIN2A gene, results from a C to G substitution at nucleotide position 2663. The threonine at codon 888 is replaced by arginine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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