dbSNP rs2366773: ADGRV1:c.2367+8C>A (chr5-90642770-C-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_032119.4(ADGRV1):c.2367+8C>A variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

ADGRV1
NM_032119.4 splice_region, intron

Scores

Splicing: ADA: 0.00002182

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.448

Publications

15 publications found

Variant links:

Genes affected

ADGRV1 (HGNC:17416): (adhesion G protein-coupled receptor V1) This gene encodes a member of the G-protein coupled receptor superfamily. The encoded protein contains a 7-transmembrane receptor domain, binds calcium and is expressed in the central nervous system. Mutations in this gene are associated with Usher syndrome 2 and familial febrile seizures. Several alternatively spliced transcripts have been described. [provided by RefSeq, Jul 2008]

ADGRV1 Gene-Disease associations (from GenCC):

Usher syndrome type 2
Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
Usher syndrome type 2C
Inheritance: AR Classification: STRONG Submitted by: G2P, PanelApp Australia, Labcorp Genetics (formerly Invitae)
febrile seizures, familial, 4
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
nonsyndromic genetic hearing loss
Inheritance: AR Classification: NO_KNOWN Submitted by: ClinGen

ADGRV1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.85).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ADGRV1	NM_032119.4 link	c.2367+8C>A		splice_region_variant, intron_variant	Intron 12 of 89	ENST00000405460.9	NP_115495.3

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein
ADGRV1	ENST00000405460.9 link	c.2367+8C>A	splice_region_variant, intron_variant	Intron 12 of 89	1	NM_032119.4	ENSP00000384582.2
ADGRV1	ENST00000640403.1 link	c.-331+8C>A	splice_region_variant, intron_variant	Intron 2 of 28	5		ENSP00000492531.1
ADGRV1	ENST00000504142.2 link	n.1133+8C>A	splice_region_variant, intron_variant	Intron 6 of 13	5
ADGRV1	ENST00000639676.1 link	n.-121C>A	upstream_gene_variant		5

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

152012

Hom.:

Cov.:

Gnomad AFR

AF:

0.00

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:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00000137

AC:

AN:

1455990

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

724154

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000304

AC:

AN:

32898

American (AMR)

AF:

0.00

AC:

AN:

43388

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25818

East Asian (EAS)

AF:

0.00

AC:

AN:

39662

South Asian (SAS)

AF:

0.00

AC:

AN:

84902

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53328

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5722

European-Non Finnish (NFE)

AF:

9.01e-7

AC:

AN:

1110200

Other (OTH)

AF:

0.00

AC:

AN:

60072

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.250

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

152012

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74216

African (AFR)

AF:

0.00

AC:

AN:

41430

American (AMR)

AF:

0.00

AC:

AN:

15252

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

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:

10560

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67970

Other (OTH)

AF:

0.00

AC:

AN:

2086

Alfa

AF:

0.00

Hom.:

30944

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.85

CADD

Benign

2.0

(source)

DANN

Benign

0.38

PhyloP100

-0.45

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000022

dbscSNV1_RF

Benign

0.0040

SpliceAI score (max)

0.040

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

Computational scores

Splicing

Publications

Other links and lift over