dbSNP rs1554770070: GRIN1:p.Gly567Gly (chr9-137162240-G-A) – ACMG Classification: Benign (-11 pts)

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 2P and 13B. PM2BP4_StrongBP6_Very_StrongBP7

The NM_007327.4(GRIN1):c.1701G>A(p.Gly567Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000215 in 1,392,184 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000022 ( 0 hom. )

Consequence

GRIN1
NM_007327.4 synonymous

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.136

Publications

0 publications found

Variant links:

Genes affected

GRIN1 (HGNC:4584): (glutamate ionotropic receptor NMDA type subunit 1) The protein encoded by this gene is a critical subunit of N-methyl-D-aspartate receptors, members of the glutamate receptor channel superfamily which are heteromeric protein complexes with multiple subunits arranged to form a ligand-gated ion channel. These subunits play a key role in the plasticity of synapses, which is believed to underlie memory and learning. Cell-specific factors are thought to control expression of different isoforms, possibly contributing to the functional diversity of the subunits. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jul 2008]

GRIN1 Gene-Disease associations (from GenCC):

neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal dominant
Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
complex neurodevelopmental disorder
Inheritance: AR, AD Classification: DEFINITIVE Submitted by: ClinGen
neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal recessive
Inheritance: AR Classification: DEFINITIVE, MODERATE Submitted by: G2P, Ambry Genetics
developmental and epileptic encephalopathy 101
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
autosomal dominant non-syndromic intellectual disability
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

GRIN1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.56).

BP6

Variant 9-137162240-G-A is Benign according to our data. Variant chr9-137162240-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 435375.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.136 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GRIN1	NM_007327.4 link	c.1701G>A	p.Gly567Gly	synonymous_variant	Exon 12 of 20	ENST00000371561.8	NP_015566.1	Q05586-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GRIN1	ENST00000371561.8 link	c.1701G>A	p.Gly567Gly	synonymous_variant	Exon 12 of 20	1	NM_007327.4	ENSP00000360616.3		Q05586-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000215

AC:

AN:

1392184

Hom.:

Cov.:

AF XY:

0.00000145

AC XY:

AN XY:

687772

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31944

American (AMR)

AF:

0.00

AC:

AN:

36052

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25206

East Asian (EAS)

AF:

0.00

AC:

AN:

36266

South Asian (SAS)

AF:

0.00

AC:

AN:

79618

European-Finnish (FIN)

AF:

0.00

AC:

AN:

38160

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5214

European-Non Finnish (NFE)

AF:

0.00000277

AC:

AN:

1081678

Other (OTH)

AF:

0.00

AC:

AN:

58046

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000543

Hom.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:1

Aug 22, 2016

Genetic Services Laboratory, University of Chicago

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal dominant

Benign:1

Oct 15, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.56

CADD

Benign

(source)

DANN

Benign

0.95

PhyloP100

0.14

Mutation Taster

=99/1

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over