Variant 1-248473915-C-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001005495.1(OR2T3):c.565C>A(p.Leu189Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000072 in 138,942 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000072 ( 0 hom., cov: 23)

Exomes 𝑓: 0.000071 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

OR2T3
NM_001005495.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -6.97

Variant links:

Genes affected

OR2T3 (HGNC:14727): (olfactory receptor family 2 subfamily T member 3) Olfactory receptors interact with odorant molecules in the nose, to initiate a neuronal response that triggers the perception of a smell. The olfactory receptor proteins are members of a large family of G-protein-coupled receptors (GPCR) arising from single coding-exon genes. Olfactory receptors share a 7-transmembrane domain structure with many neurotransmitter and hormone receptors and are responsible for the recognition and G protein-mediated transduction of odorant signals. The olfactory receptor gene family is the largest in the genome. The nomenclature assigned to the olfactory receptor genes and proteins for this organism is independent of other organisms. [provided by RefSeq, Jul 2008]

OR2T3 links:

LOC105373279 (HGNC:):

LOC105373279 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.031590313).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
OR2T3	NM_001005495.1 linkuse as main transcript	c.565C>A	p.Leu189Met	missense_variant	1/1	ENST00000359594.3	NP_001005495.1	Q8NH03A0A126GVW5
LOC105373279	XR_007067006.1 linkuse as main transcript	n.136-3756G>T		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
OR2T3	ENST00000359594.3 linkuse as main transcript	c.565C>A	p.Leu189Met	missense_variant	1/1	6	NM_001005495.1	ENSP00000352604.2		Q8NH03

Frequencies

GnomAD3 genomes

AF:

0.00000720

AC:

AN:

138830

Hom.:

Cov.:

show subpopulations

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:

0.000268

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000205

AC:

AN:

243598

Hom.:

AF XY:

0.000251

AC XY:

AN XY:

131440

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.000205

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00118

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000994

Gnomad OTH exome

AF:

0.000501

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.0000714

AC:

103

AN:

1442138

Hom.:

Cov.:

AF XY:

0.0000920

AC XY:

AN XY:

717694

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000225

Gnomad4 ASJ exome

AF:

0.0000386

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000613

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000292

Gnomad4 OTH exome

AF:

0.000168

GnomAD4 genome

AF:

0.00000720

AC:

AN:

138942

Hom.:

Cov.:

AF XY:

0.0000149

AC XY:

AN XY:

67330

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000268

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000135

Hom.:

ExAC

AF:

0.000330

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Mar 07, 2023

The c.565C>A (p.L189M) alteration is located in exon 1 (coding exon 1) of the OR2T3 gene. This alteration results from a C to A substitution at nucleotide position 565, causing the leucine (L) at amino acid position 189 to be replaced by a methionine (M). 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

0.19

BayesDel_addAF

Benign

-0.58

BayesDel_noAF

Benign

-0.66

CADD

Benign

0.20

DANN

Benign

0.92

DEOGEN2

Benign

0.0062

Eigen

Benign

-0.98

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.0054

M_CAP

Benign

0.0011

MetaRNN

Benign

0.032

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.8

PrimateAI

Benign

0.22

PROVEAN

Benign

-0.75

REVEL

Benign

0.074

Sift

Benign

0.12

Sift4G

Benign

0.22

Polyphen

0.87

Vest4

0.13

MVP

0.28

ClinPred

0.021

GERP RS

-4.7

Varity_R

0.12

gMVP

0.042

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over