NM_000834.5(GRIN2B):c.935G>A (p.Ser312Asn) AND not provided

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Apr 12, 2017
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:: RCV000489124.1

Allele description [Variation Report for NM_000834.5(GRIN2B):c.935G>A (p.Ser312Asn)]

NM_000834.5(GRIN2B):c.935G>A (p.Ser312Asn)

Gene:

GRIN2B:glutamate ionotropic receptor NMDA type subunit 2B [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

12p13.1

Genomic location:

Preferred name:

NM_000834.5(GRIN2B):c.935G>A (p.Ser312Asn)

HGVS:

NC_000012.12:g.13753392C>T
NG_031854.2:g.233621G>A
NM_000834.5:c.935G>AMANE SELECT
NP_000825.2:p.Ser312Asn
NC_000012.11:g.13906326C>T
NM_000834.3:c.935G>A

Protein change:

S312N

Links:

dbSNP: rs1085307687

NCBI 1000 Genomes Browser:

rs1085307687

Molecular consequence:

NM_000834.5:c.935G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: CN517202

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000577037	GeneDx	criteria provided, single submitter (GeneDx Variant Classification (06012015))	Uncertain significance (Apr 12, 2017)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000577037

GeneDx

criteria provided, single submitter

(GeneDx Variant Classification (06012015))

Uncertain significance
(Apr 12, 2017)

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	yes	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From GeneDx, SCV000577037.4

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

Description

A variant of uncertain significance has been identified in the GRIN2B gene. The S312N variant has not been published as a pathogenic variant, nor has it been reported as a benign variant to our knowledge. The S312N variant is not observed in large population cohorts (Lek et al., 2016; 1000 Genomes Consortium et al., 2015; Exome Variant Server). This substitution occurs at a position that is conserved in mammals; however, Asparagine is observed at this position in evolution. The S312N variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. In silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic variant or a rare benign variant.

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

Last Updated: Apr 23, 2022

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