11-55651283-C-T

Variant names:

• chr11-55651283-C-T
• rs768945128
• NM_001004059.3:c.380C>T

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_001004059.3(OR4S2):​c.380C>T​(p.Pro127Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000104 in 1,346,140 control chromosomes in the GnomAD database, including 4 homozygotes. 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. P127H) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 25)
  • Exomes 𝑓: 0.000010 (4 hom.)
• Consequence: OR4S2 NM_001004059.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 5.03
• Publications: 2 publications found

Genes affected

OR4S2 (HGNC:15183): (olfactory receptor family 4 subfamily S 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

Our verdict: Likely_benign. The variant received -4 ACMG points.

• BS2: High Homozygotes in GnomAdExome4 at 4 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001004059.3. 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
	OR4S2	NM_001004059.3	MANE Select	c.380C>T	p.Pro127Leu	missense	Exon 2 of 2	NP_001004059.2	A0A126GVG1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OR4S2	ENST00000641692.1	MANE Select	c.380C>T	p.Pro127Leu	missense	Exon 2 of 2	ENSP00000493389.1	Q8NH73

Frequencies

GnomAD3 genomes Cov.: 25

GnomAD2 exomes AF: 0.0000656 AC: 15 AN: 228614 AF XY: 0.0000565

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.000522

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 AF: 0.0000104 AC: 14 AN: 1346140 Hom.: 4 Cov.: 30 AF XY: 0.0000119 AC XY: 8 AN XY: 670174

African (AFR) AF: 0.00 AC: 0 AN: 32796

American (AMR) AF: 0.000374 AC: 14 AN: 37430

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 24364

East Asian (EAS) AF: 0.00 AC: 0 AN: 34518

South Asian (SAS) AF: 0.00 AC: 0 AN: 80556

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 48168

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5020

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1027594

Other (OTH) AF: 0.00 AC: 0 AN: 55694

GnomAD4 genome Cov.: 25

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ExAC AF: 0.0000606 AC: 7

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	Uncertain	0.54
BayesDel_addAF	Benign	-0.034	T
BayesDel_noAF	Uncertain	0.060
CADD	Uncertain	25
DANN	Uncertain	1.0
DEOGEN2	Benign	0.056	T
Eigen	Pathogenic	0.79
Eigen_PC	Pathogenic	0.69
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Uncertain	0.92	D
M_CAP	Benign	0.014	T
MetaRNN	Uncertain	0.73	D
MetaSVM	Benign	-1.1	T
MutationAssessor	Pathogenic	3.9	H
PhyloP100		5.0
PrimateAI	Benign	0.25	T
PROVEAN	Pathogenic	-9.8	D
REVEL	Uncertain	0.36
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0	D
Polyphen		1.0	D
Vest4		0.71
MutPred		0.61		Loss of sheet (P = 0.1158)
MVP		0.55
MPC		0.27
ClinPred		1.0	D
GERP RS		5.4
Varity_R		0.78
gMVP		0.60
Mutation Taster		=93/7	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: rs768945128; hg19: chr11-55418759; COSMIC: COSV56747496;