6-29374410-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_030959.3(OR12D3):c.878A>T(p.Asn293Ile) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: OR12D3 NM_030959.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 4.90

Genes affected

OR12D3 (HGNC:13963): (olfactory receptor family 12 subfamily D 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]

OR5V1 (HGNC:13972): (olfactory receptor family 5 subfamily V member 1) 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

Verdict is Uncertain_significance. Variant got 2 ACMG points.

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

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
OR12D3	NM_030959.3	c.878A>T	p.Asn293Ile	missense_variant	1/1	ENST00000396806.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
OR12D3	ENST00000396806.3	c.878A>T	p.Asn293Ile	missense_variant	1/1		NM_030959.3	P1
OR5V1	ENST00000377154.1	c.-82-18133A>T		intron_variant				P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jun 27, 2022

The c.878A>T (p.N293I) alteration is located in exon 1 (coding exon 1) of the OR12D3 gene. This alteration results from a A to T substitution at nucleotide position 878, causing the asparagine (N) at amino acid position 293 to be replaced by an isoleucine (I). 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	Uncertain	0.37
BayesDel_addAF	Benign	-0.039	T
BayesDel_noAF	Benign	-0.29
Cadd	Uncertain	24
Dann	Uncertain	0.99
DEOGEN2	Benign	0.024	T
Eigen	Uncertain	0.30
Eigen_PC	Benign	0.18
FATHMM_MKL	Uncertain	0.88	D
M_CAP	Benign	0.018	T
MetaRNN	Uncertain	0.71	D
MetaSVM	Benign	-0.78	T
MutationAssessor	Uncertain	2.2	M
MutationTaster	Benign	0.74	N;N;D;D
PrimateAI	Benign	0.22	T
PROVEAN	Pathogenic	-8.0	D
REVEL	Uncertain	0.35
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0	D
Polyphen		1.0	D
Vest4		0.38
MutPred		0.73		Gain of ubiquitination at K294 (P = 0.0626);
MVP		0.58
MPC		0.81
ClinPred		1.0	D
GERP RS		4.2
Varity_R		0.74
gMVP		0.35

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr6-29342187;