Genetic Variant NM_007327.4:c.2799C>T (chr9-137167509-C-T) – ACMG Classification: Benign (-15 pts)

Variant summary

Our verdict is Benign. The variant received -15 ACMG points: 0P and 15B. BP4_ModerateBP6_Very_StrongBP7BS1

The NM_007327.4(GRIN1):c.2799C>T(p.Ser933Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000334 in 1,554,878 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: 𝑓 0.00026 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00034 ( 0 hom. )

Consequence

GRIN1
NM_007327.4 synonymous

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 1.82

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: G2P, Labcorp Genetics (formerly Invitae), 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: Ambry Genetics, G2P
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 -15 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.42).

BP6

Variant 9-137167509-C-T is Benign according to our data. Variant chr9-137167509-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 383068.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=1.82 with no splicing effect.

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000256 (39/152316) while in subpopulation AMR AF = 0.000784 (12/15304). AF 95% confidence interval is 0.000452. There are 0 homozygotes in GnomAd4. There are 19 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_007327.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
GRIN1	NM_007327.4	MANE Select	c.2799C>T	p.Ser933Ser	synonymous	Exon 20 of 20	NP_015566.1	Q05586-1
GRIN1	NM_001437330.1		c.2862C>T	p.Ser954Ser	synonymous	Exon 21 of 21	NP_001424259.1
GRIN1	NM_001437331.1		c.2751C>T	p.Ser917Ser	synonymous	Exon 20 of 20	NP_001424260.1	Q5VSF9

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
GRIN1	ENST00000371561.8	TSL:1 MANE Select	c.2799C>T	p.Ser933Ser	synonymous	Exon 20 of 20	ENSP00000360616.3	Q05586-1
GRIN1	ENST00000371553.8	TSL:1	c.2764-265C>T		intron	N/A	ENSP00000360608.3	Q05586-6
GRIN1	ENST00000371560.5	TSL:1	c.2653-265C>T		intron	N/A	ENSP00000360615.3	Q05586-7

Frequencies

GnomAD3 genomes

AF:

0.000256

AC:

AN:

152206

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000785

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000382

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000243

AC:

AN:

164864

AF XY:

0.000194

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000942

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000232

Gnomad OTH exome

AF:

0.000220

GnomAD4 exome

AF:

0.000342

AC:

480

AN:

1402562

Hom.:

Cov.:

AF XY:

0.000325

AC XY:

225

AN XY:

692498

show subpopulations

African (AFR)

AF:

0.000217

AC:

AN:

32262

American (AMR)

AF:

0.000821

AC:

AN:

36556

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25174

East Asian (EAS)

AF:

0.00

AC:

AN:

36920

South Asian (SAS)

AF:

0.00

AC:

AN:

79636

European-Finnish (FIN)

AF:

0.0000415

AC:

AN:

48242

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4858

European-Non Finnish (NFE)

AF:

0.000398

AC:

430

AN:

1080818

Other (OTH)

AF:

0.000189

AC:

AN:

58096

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

Heterozygous variant carriers

107

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000256

AC:

AN:

152316

Hom.:

Cov.:

AF XY:

0.000255

AC XY:

AN XY:

74470

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41560

American (AMR)

AF:

0.000784

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000382

AC:

AN:

68018

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.516

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000196

Hom.:

Bravo

AF:

0.000268

ClinVar

ClinVar submissions

Significance:Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Inborn genetic diseases (1)

Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal dominant (1)

not provided (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.42

CADD

Benign

(source)

DANN

Benign

0.96

PhyloP100

1.8

Mutation Taster

=99/1

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over