NM_001005197.2:c.718A>G

Variant names:

• chr11-123907149-A-G
• NM_001005197.2:c.718A>G

Variant summary

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

The NM_001005197.2(OR8D4):​c.718A>G​(p.Thr240Ala) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 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. T240N) has been classified as Uncertain significance.

• Frequency: Genomes: not found (cov: 32)
• Consequence: OR8D4 NM_001005197.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.20
• Publications: 0 publications found

Genes affected

OR8D4 (HGNC:14840): (olfactory receptor family 8 subfamily D member 4) 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: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001005197.2. 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
	OR8D4	NM_001005197.2	MANE Select	c.718A>G	p.Thr240Ala	missense	Exon 2 of 2	NP_001005197.1	Q8NGM9

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OR8D4	ENST00000641687.1	MANE Select	c.718A>G	p.Thr240Ala	missense	Exon 2 of 2	ENSP00000493391.1	Q8NGM9
	OR8D4	ENST00000321355.3	TSL:6	c.718A>G	p.Thr240Ala	missense	Exon 1 of 1	ENSP00000325381.2	Q8NGM9

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 39

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.13
BayesDel_addAF	Uncertain	0.14	D
BayesDel_noAF	Uncertain	-0.030
CADD	Pathogenic	26
DANN	Uncertain	1.0
DEOGEN2	Benign	0.0094	T
Eigen	Pathogenic	1.0
Eigen_PC	Pathogenic	0.93
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Benign	0.81	T
M_CAP	Benign	0.023	T
MetaRNN	Uncertain	0.70	D
MetaSVM	Uncertain	0.032	D
MutationAssessor	Pathogenic	4.1	H
PhyloP100		9.2
PrimateAI	Benign	0.21	T
PROVEAN	Pathogenic	-4.9	D
REVEL	Uncertain	0.60
Sift	Uncertain	0.0030	D
Sift4G	Uncertain	0.0030	D
Polyphen		1.0	D
Vest4		0.56
MutPred		0.49		Loss of MoRF binding (P = 0.1343)
MVP		0.81
MPC		0.11
ClinPred		1.0	D
GERP RS		5.8
Varity_R		0.80
gMVP		0.16
Mutation Taster		=50/50

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

Other links and lift over

hg19: chr11-123777856;