Variant summary

Our verdict is Benign. The variant received -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_000828.5(GRIA3):c.159T>C(p.Phe53Phe) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00101 in 1,205,559 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 390 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00084 ( 0 hom., 29 hem., cov: 22)

Exomes 𝑓: 0.0010 ( 0 hom. 361 hem. )

Consequence

GRIA3
NM_000828.5 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts U:1B:5

Conservation

PhyloP100: 2.36

Publications

0 publications found

Variant links:

Genes affected

GRIA3 (HGNC:4573): (glutamate ionotropic receptor AMPA type subunit 3) Glutamate receptors are the predominant excitatory neurotransmitter receptors in the mammalian brain and are activated in a variety of normal neurophysiologic processes. These receptors are heteromeric protein complexes composed of multiple subunits, arranged to form ligand-gated ion channels. The classification of glutamate receptors is based on their activation by different pharmacologic agonists. The subunit encoded by this gene belongs to a family of AMPA (alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionate)-sensitive glutamate receptors, and is subject to RNA editing (AGA->GGA; R->G). Alternative splicing at this locus results in different isoforms, which may vary in their signal transduction properties. [provided by RefSeq, Jul 2008]

GRIA3 Gene-Disease associations (from GenCC):

syndromic X-linked intellectual disability 94
Inheritance: XL Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
X-linked complex neurodevelopmental disorder
Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
X-linked intellectual disability due to GRIA3 anomalies
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet

GRIA3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -17 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.5).

BP6

Variant X-123185881-T-C is Benign according to our data. Variant chrX-123185881-T-C is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 435359.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=2.36 with no splicing effect.

BS2

High Hemizygotes in GnomAd4 at 29 XL gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000828.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
GRIA3	NM_000828.5	MANE Plus Clinical	c.159T>C	p.Phe53Phe	synonymous	Exon 2 of 16	NP_000819.4
GRIA3	NM_007325.5	MANE Select	c.159T>C	p.Phe53Phe	synonymous	Exon 2 of 16	NP_015564.5
GRIA3	NM_001256743.2		c.159T>C	p.Phe53Phe	synonymous	Exon 2 of 4	NP_001243672.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
GRIA3	ENST00000620443.2	TSL:1 MANE Select	c.159T>C	p.Phe53Phe	synonymous	Exon 2 of 16	ENSP00000478489.1
GRIA3	ENST00000622768.5	TSL:5 MANE Plus Clinical	c.159T>C	p.Phe53Phe	synonymous	Exon 2 of 16	ENSP00000481554.1
GRIA3	ENST00000611689.4	TSL:1	c.159T>C	p.Phe53Phe	synonymous	Exon 2 of 4	ENSP00000478758.1

Frequencies

GnomAD3 genomes

AF:

0.000843

AC:

AN:

111487

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000164

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00426

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00119

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000873

AC:

160

AN:

183339

AF XY:

0.000752

show subpopulations

Gnomad AFR exome

AF:

0.0000762

Gnomad AMR exome

AF:

0.0000729

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00407

Gnomad NFE exome

AF:

0.00110

Gnomad OTH exome

AF:

0.000441

GnomAD4 exome

AF:

0.00102

AC:

1118

AN:

1094072

Hom.:

Cov.:

AF XY:

0.00100

AC XY:

361

AN XY:

359536

show subpopulations

African (AFR)

AF:

0.000114

AC:

AN:

26320

American (AMR)

AF:

0.0000568

AC:

AN:

35205

Ashkenazi Jewish (ASJ)

AF:

0.0000517

AC:

AN:

19361

East Asian (EAS)

AF:

0.00

AC:

AN:

30186

South Asian (SAS)

AF:

0.00

AC:

AN:

54052

European-Finnish (FIN)

AF:

0.00422

AC:

171

AN:

40513

Middle Eastern (MID)

AF:

0.000243

AC:

AN:

4123

European-Non Finnish (NFE)

AF:

0.00108

AC:

908

AN:

838349

Other (OTH)

AF:

0.000696

AC:

AN:

45963

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.476

Heterozygous variant carriers

127

170

212

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

114

152

190

<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:

0.000843

AC:

AN:

111487

Hom.:

Cov.:

AF XY:

0.000862

AC XY:

AN XY:

33655

show subpopulations

African (AFR)

AF:

0.000164

AC:

AN:

30553

American (AMR)

AF:

0.00

AC:

AN:

10585

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2635

East Asian (EAS)

AF:

0.00

AC:

AN:

3569

South Asian (SAS)

AF:

0.00

AC:

AN:

2548

European-Finnish (FIN)

AF:

0.00426

AC:

AN:

6101

Middle Eastern (MID)

AF:

0.00

AC:

AN:

239

European-Non Finnish (NFE)

AF:

0.00119

AC:

AN:

53066

Other (OTH)

AF:

0.00

AC:

AN:

1507

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.00109

Hom.:

Bravo

AF:

0.000570

EpiCase

AF:

0.000654

EpiControl

AF:

0.000652

ClinVar

ClinVar submissions as Germline

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (4)

Inborn genetic diseases (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.50

CADD

Benign

(source)

DANN

Benign

0.75

PhyloP100

2.4

Mutation Taster

=99/1

polymorphism (auto)

(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

ClinVar submissions as Germline

Computational scores

Splicing

Publications

Other links and lift over