Genetic Variant OR4M2:p.Arg139His (chr15-22081040-G-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_001004719.2(OR4M2):c.416G>A(p.Arg139His) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 13/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R139C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 0)

Consequence

OR4M2
NM_001004719.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.628

Publications

2 publications found

Variant links:

Genes affected

OR4M2 (HGNC:15373): (olfactory receptor family 4 subfamily M member 2) 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]

OR4M2 links:

OR4M2-OT1 (HGNC:56199): (OR4M2 overlapping transcript 1)

OR4M2-OT1 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=0.06324503).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001004719.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
OR4M2	NM_001004719.2	MANE Select	c.416G>A	p.Arg139His	missense	Exon 1 of 1	NP_001004719.2	Q8NGB6
OR4M2-OT1	NR_110480.2		n.824-13473G>A		intron	N/A
OR4M2-OT1	NR_110481.2		n.556-13473G>A		intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
OR4M2	ENST00000614722.3	TSL:6 MANE Select	c.416G>A	p.Arg139His	missense	Exon 1 of 1	ENSP00000483239.1	Q8NGB6
OR4M2-OT1	ENST00000639059.1	TSL:2	c.-9-13473G>A		intron	N/A	ENSP00000493899.1
OR4M2	ENST00000638815.1	TSL:5	n.451G>A		non_coding_transcript_exon	Exon 3 of 4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000477

AC:

AN:

251356

AF XY:

0.0000442

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.000174

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000352

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000468

Hom.:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000330

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

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

0.077

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.67

CADD

Benign

(source)

DANN

Benign

0.90

DEOGEN2

Benign

0.016

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.056

LIST_S2

Benign

0.53

M_CAP

Benign

0.0065

MetaRNN

Benign

0.063

MetaSVM

Benign

-0.99

MutationAssessor

Benign

1.8

PhyloP100

-0.63

Sift4G

Uncertain

0.046

Polyphen

0.019

Vest4

0.072

MVP

0.15

ClinPred

0.12

GERP RS

-2.7

Varity_R

0.052

gMVP

0.24

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over