Genetic Variant GRM5:p.Thr1111Thr (chr11-88508898-G-A) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_001143831.3(GRM5):c.3333C>T(p.Thr1111Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000692 in 1,445,536 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: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

GRM5
NM_001143831.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.38

Publications

0 publications found

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 was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.49).

BP6

Variant 11-88508898-G-A is Benign according to our data. Variant chr11-88508898-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 791176.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-1.38 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GRM5	NM_001143831.3 link	c.3333C>T	p.Thr1111Thr	synonymous_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.3333C>T	p.Thr1111Thr	synonymous_variant	Exon 10 of 10	1	NM_001143831.3	ENSP00000306138.4	P41594-1
GRM5	ENST00000305432.9 link	c.3237C>T	p.Thr1079Thr	synonymous_variant	Exon 8 of 8	1		ENSP00000305905.5	P41594-2
GRM5	ENST00000455756.6 link	c.3237C>T	p.Thr1079Thr	synonymous_variant	Exon 9 of 9	2		ENSP00000405690.2	P41594-2
GRM5-AS1	ENST00000526448.1 link	n.4323G>A		non_coding_transcript_exon_variant	Exon 1 of 6	5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000455

AC:

AN:

219680

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000102

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.92e-7

AC:

AN:

1445536

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

717704

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32536

American (AMR)

AF:

0.00

AC:

AN:

42642

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25672

East Asian (EAS)

AF:

0.00

AC:

AN:

38734

South Asian (SAS)

AF:

0.00

AC:

AN:

83182

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52152

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5736

European-Non Finnish (NFE)

AF:

9.05e-7

AC:

AN:

1105094

Other (OTH)

AF:

0.00

AC:

AN:

59788

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Jul 25, 2017

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

-0.49

CADD

Benign

(source)

DANN

Benign

0.95

PhyloP100

-1.4

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

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11-88508898-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over