Variant 11-88508707-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001143831.3(GRM5):c.3524C>T(p.Ser1175Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000691 in 1,447,722 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

GRM5
NM_001143831.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.49

Variant links:

Genes affected

GRM5 (HGNC:4597): (glutamate metabotropic receptor 5) This gene encodes a member of the G-protein coupled receptor 3 protein family. The encoded protein is a metabatropic glutamate receptor, whose signaling activates a phosphatidylinositol-calcium second messenger system. This protein may be involved in the regulation of neural network activity and synaptic plasticity. Glutamatergic neurotransmission is involved in most aspects of normal brain function and can be perturbed in many neuropathologic conditions. A pseudogene of this gene has been defined on chromosome 11. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2014]

GRM5 links:

GRM5-AS1 (HGNC:40265): (GRM5 antisense RNA 1)

GRM5-AS1 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GRM5	NM_001143831.3 link	c.3524C>T	p.Ser1175Leu	missense_variant	Exon 10 of 10	ENST00000305447.5	NP_001137303.1	P41594-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
GRM5	ENST00000305447.5 link	c.3524C>T	p.Ser1175Leu	missense_variant	Exon 10 of 10	1	NM_001143831.3	ENSP00000306138.4	P41594-1
GRM5	ENST00000305432.9 link	c.3428C>T	p.Ser1143Leu	missense_variant	Exon 8 of 8	1		ENSP00000305905.5	P41594-2
GRM5	ENST00000455756.6 link	c.3428C>T	p.Ser1143Leu	missense_variant	Exon 9 of 9	2		ENSP00000405690.2	P41594-2
GRM5-AS1	ENST00000526448.1 link	n.4132G>A		non_coding_transcript_exon_variant	Exon 1 of 6	5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.91e-7

AC:

AN:

1447722

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

720366

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.04e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 22, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.3524C>T (p.S1175L) alteration is located in exon 9 (coding exon 9) of the GRM5 gene. This alteration results from a C to T substitution at nucleotide position 3524, causing the serine (S) at amino acid position 1175 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Pathogenic

0.32

BayesDel_noAF

Pathogenic

0.23

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.33

.;.;T

Eigen

Uncertain

0.30

Eigen_PC

Uncertain

0.41

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.88

D;.;D

M_CAP

Uncertain

0.23

MetaRNN

Uncertain

0.58

D;D;D

MetaSVM

Uncertain

0.42

MutationAssessor

Benign

1.1

.;.;L

PrimateAI

Uncertain

0.75

PROVEAN

Uncertain

-2.7

D;D;D

REVEL

Uncertain

0.63

Sift

Uncertain

0.0020

D;D;D

Sift4G

Uncertain

0.0080

D;D;D

Polyphen

0.62

P;P;B

Vest4

0.59

MutPred

0.41

.;.;Loss of glycosylation at S1175 (P = 0.0014);

MVP

0.80

ClinPred

0.99

GERP RS

4.9

Varity_R

0.65

gMVP

0.60

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

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over