11-124265226-A-G

Variant names:

• chr11-124265226-A-G
• rs780806209
• NM_001005198.2:c.295A>G

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001005198.2(OR8G5):​c.295A>G​(p.Thr99Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000197 in 152,092 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 10/13 in silico tools predict a benign outcome for this variant. 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. T99S) has been classified as Uncertain significance.

• Frequency: Genomes: 𝑓 0.000020 (0 hom., cov: 32)
• Consequence: OR8G5 NM_001005198.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.32
• Publications: 1 publications found

Genes affected

OR8G5 (HGNC:19622): (olfactory receptor family 8 subfamily G member 5) 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]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.04639831).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001005198.2. 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
	OR8G5	NM_001005198.2	MANE Select	c.295A>G	p.Thr99Ala	missense	Exon 2 of 2	NP_001005198.2	A0A126GW95

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OR8G5	ENST00000641992.2	MANE Select	c.295A>G	p.Thr99Ala	missense	Exon 2 of 2	ENSP00000493127.1	A0A126GW95
	OR8G5	ENST00000641707.1		c.295A>G	p.Thr99Ala	missense	Exon 1 of 1	ENSP00000493069.1	A0A126GW95

Frequencies

GnomAD3 genomes AF: 0.0000197 AC: 3 AN: 152092 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000725

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

GnomAD2 exomes AF: 0.00000400 AC: 1 AN: 249816 AF XY: 0.00

Gnomad AFR exome AF: 0.0000644

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome Cov.: 47

GnomAD4 genome AF: 0.0000197 AC: 3 AN: 152092 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74292

African (AFR) AF: 0.0000725 AC: 3 AN: 41396

American (AMR) AF: 0.00 AC: 0 AN: 15272

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5180

South Asian (SAS) AF: 0.00 AC: 0 AN: 4820

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10606

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68028

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.0000658 Hom.: 0

Bravo AF: 0.0000264

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.074
BayesDel_addAF	Benign	-0.21	T
BayesDel_noAF	Benign	-0.36
CADD	Benign	13
DANN	Benign	0.84
DEOGEN2	Benign	0.016	T
FATHMM_MKL	Benign	0.019	N
LIST_S2	Benign	0.59	T
M_CAP	Benign	0.0041	T
MetaRNN	Benign	0.046	T
MutationAssessor	Benign	-0.075	N
PhyloP100		-1.3
Sift4G	Benign	0.34	T
Vest4		0.037
MVP		0.12
MPC		0.12
GERP RS		1.8
PromoterAI		-0.25	Neutral
Varity_R		0.044
gMVP		0.043
Mutation Taster		=98/2	polymorphism

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

Other links and lift over

dbSNP: rs780806209; hg19: chr11-124135122; COSMIC: COSV58380229;