Genetic Variant ADGRV1:p.Pro194Arg (chr5-90625152-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_032119.4(ADGRV1):c.581C>G(p.Pro194Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,459,446 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P194H) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

ADGRV1
NM_032119.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.05

Publications

0 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: Uncertain_significance. The variant received 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
ADGRV1	NM_032119.4 link	c.581C>G	p.Pro194Arg	missense_variant	Exon 6 of 90	ENST00000405460.9	NP_115495.3	Q8WXG9-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ADGRV1	ENST00000405460.9 link	c.581C>G	p.Pro194Arg	missense_variant	Exon 6 of 90	1	NM_032119.4	ENSP00000384582.2		Q8WXG9-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459446

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

725934

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33438

American (AMR)

AF:

0.00

AC:

AN:

44630

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26090

East Asian (EAS)

AF:

0.00

AC:

AN:

39650

South Asian (SAS)

AF:

0.00

AC:

AN:

85882

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53382

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

9.01e-7

AC:

AN:

1110308

Other (OTH)

AF:

0.00

AC:

AN:

60304

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.31

BayesDel_addAF

Benign

-0.059

BayesDel_noAF

Benign

-0.32

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.13

T;T

Eigen

Pathogenic

0.80

Eigen_PC

Pathogenic

0.80

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.88

.;D

M_CAP

Uncertain

0.21

MetaRNN

Uncertain

0.63

D;D

MetaSVM

Benign

-0.86

PhyloP100

7.0

PrimateAI

Benign

0.39

PROVEAN

Uncertain

-3.2

.;D

REVEL

Uncertain

0.39

Sift

Uncertain

0.023

.;D

Sift4G

Uncertain

0.0070

.;D

Polyphen

1.0

D;D

Vest4

0.42

MutPred

0.51

Loss of glycosylation at P194 (P = 0.0158);Loss of glycosylation at P194 (P = 0.0158);

MVP

0.76

MPC

0.33

ClinPred

0.99

GERP RS

5.9

Varity_R

0.36

gMVP

0.66

Mutation Taster

=77/23

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over