Genetic Variant VN1R2:p.Leu278Phe (chr19-53259207-C-T) – 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_173856.2(VN1R2):c.832C>T(p.Leu278Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000116 in 1,614,152 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00055 ( 1 hom., cov: 32)

Exomes 𝑓: 0.000070 ( 0 hom. )

Consequence

VN1R2
NM_173856.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.45

Publications

2 publications found

Variant links:

Genes affected

VN1R2 (HGNC:19872): (vomeronasal 1 receptor 2) Predicted to enable pheromone receptor activity. Predicted to be involved in G protein-coupled receptor signaling pathway and response to pheromone. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

VN1R2 links:

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ACMG classification

Classification was made for transcript

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

BP4

Computational evidence support a benign effect (MetaRNN=0.015505552).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_173856.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	VN1R2	NM_173856.2	MANE Select	c.832C>T	p.Leu278Phe	missense	Exon 1 of 1	NP_776255.2	Q8NFZ6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	VN1R2	ENST00000341702.3	TSL:6 MANE Select	c.832C>T	p.Leu278Phe	missense	Exon 1 of 1	ENSP00000351244.2	Q8NFZ6
	VN1R2	ENST00000598458.1	TSL:3	n.-3C>T		upstream_gene	N/A

Frequencies

GnomAD3 genomes

AF:

0.000552

AC:

AN:

152140

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00184

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000523

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

GnomAD2 exomes

AF:

0.000179

AC:

AN:

251486

AF XY:

0.000118

show subpopulations

Gnomad AFR exome

AF:

0.00185

Gnomad AMR exome

AF:

0.000260

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000264

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.0000705

AC:

103

AN:

1461894

Hom.:

Cov.:

AF XY:

0.0000523

AC XY:

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.00209

AC:

AN:

33480

American (AMR)

AF:

0.000335

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000629

AC:

AN:

1112012

Other (OTH)

AF:

0.000182

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

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

AF:

0.000552

AC:

AN:

152258

Hom.:

Cov.:

AF XY:

0.000618

AC XY:

AN XY:

74450

show subpopulations

African (AFR)

AF:

0.00183

AC:

AN:

41532

American (AMR)

AF:

0.000523

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4816

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10604

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68030

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.517

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:

0.000522

Hom.:

Bravo

AF:

0.000808

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.00204

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000239

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Benign

-0.67

BayesDel_noAF

Benign

-0.75

CADD

Benign

9.3

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.0088

Eigen

Benign

-1.0

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.0039

LIST_S2

Benign

0.69

M_CAP

Benign

0.0035

MetaRNN

Benign

0.016

MetaSVM

Benign

-0.93

MutationAssessor

Benign

1.3

PhyloP100

-1.5

PrimateAI

Benign

0.39

PROVEAN

Uncertain

-2.9

REVEL

Benign

0.060

Sift

Benign

0.074

Sift4G

Benign

0.12

Polyphen

0.54

Vest4

0.073

MVP

0.092

MPC

0.42

ClinPred

0.070

GERP RS

-3.4

Varity_R

0.12

gMVP

0.12

Mutation Taster

=99/1

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over