chr14-20198224-T-C

Position:

• chr14-20198224-T-C

Variant summary

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

The NM_001386033.1(OR11G2):​c.787T>C​(p.Tyr263His) variant causes a missense change involving the alteration of a non-conserved nucleotide. 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: OR11G2 NM_001386033.1 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.09

Genes affected

OR11G2 (HGNC:15346): (olfactory receptor family 11 subfamily G 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]

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
OR11G2	NM_001386033.1	c.787T>C	p.Tyr263His	missense_variant	2/2	ENST00000641879.2
OR11G2	NM_001005503.2	c.787T>C	p.Tyr263His	missense_variant	2/2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
OR11G2	ENST00000641879.2	c.787T>C	p.Tyr263His	missense_variant	2/2		NM_001386033.1	P1
OR11G2	ENST00000641682.1	c.787T>C	p.Tyr263His	missense_variant	2/2			P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 35

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

Sep 17, 2021

The c.889T>C (p.Y297H) alteration is located in exon 1 (coding exon 1) of the OR11G2 gene. This alteration results from a T to C substitution at nucleotide position 889, causing the tyrosine (Y) at amino acid position 297 to be replaced by a histidine (H). 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	0.30
BayesDel_addAF	Uncertain	0.064	T
BayesDel_noAF	Benign	-0.15
CADD	Uncertain	24
DANN	Uncertain	1.0
DEOGEN2	Benign	0.069	.;.;T
Eigen	Uncertain	0.58
Eigen_PC	Uncertain	0.55
FATHMM_MKL	Uncertain	0.97	D
LIST_S2	Uncertain	0.86	.;D;D
M_CAP	Benign	0.0011	T
MetaRNN	Uncertain	0.46	T;T;T
MetaSVM	Benign	-0.96	T
MutationAssessor	Uncertain	2.5	.;.;M
MutationTaster	Benign	0.73	N
PrimateAI	Benign	0.40	T
PROVEAN	Pathogenic	-4.5	.;.;D
REVEL	Benign	0.21
Sift	Uncertain	0.017	.;.;D
Sift4G	Uncertain	0.018	.;.;D
Polyphen		0.93	.;.;P
Vest4		0.27
MutPred		0.57		.;.;Gain of catalytic residue at V293 (P = 0);
MVP		0.72
MPC		0.24
ClinPred		0.97	D
GERP RS		4.9
Varity_R		0.42
gMVP		0.28

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: chr14-20666383; COSMIC: COSV62133126;