11-55839074-C-A

Position:

• chr11-55839074-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001005496.1(OR5D16):​c.323C>A​(p.Thr108Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 152,022 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
• Consequence: OR5D16 NM_001005496.1 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: -3.43

Genes affected

OR5D16 (HGNC:15283): (olfactory receptor family 5 subfamily D member 16) 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 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.0947417).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
OR5D16	NM_001005496.1	c.323C>A	p.Thr108Asn	missense_variant	1/1	ENST00000378396.1	NP_001005496.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
OR5D16	ENST00000378396.1	c.323C>A	p.Thr108Asn	missense_variant	1/1	6	NM_001005496.1	ENSP00000367649.1

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152022 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000242

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

GnomAD4 exome Cov.: 38

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152022 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74236

Gnomad4 AFR AF: 0.0000242

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00

Bravo AF: 0.00000378

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

Jul 14, 2024

The c.323C>A (p.T108N) alteration is located in exon 1 (coding exon 1) of the OR5D16 gene. This alteration results from a C to A substitution at nucleotide position 323, causing the threonine (T) at amino acid position 108 to be replaced by an asparagine (N). 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	0.11
BayesDel_addAF	Benign	-0.31	T
BayesDel_noAF	Benign	-0.68
CADD	Benign	5.2
DANN	Benign	0.96
DEOGEN2	Benign	0.092	T
Eigen	Benign	-0.65
Eigen_PC	Benign	-0.77
FATHMM_MKL	Benign	0.030	N
LIST_S2	Benign	0.64	T
M_CAP	Benign	0.0029	T
MetaRNN	Benign	0.095	T
MetaSVM	Benign	-0.97	T
MutationAssessor	Benign	1.7	L
PrimateAI	Benign	0.21	T
PROVEAN	Uncertain	-3.4	D
REVEL	Benign	0.062
Sift	Benign	0.033	D
Sift4G	Benign	0.081	T
Polyphen		0.38	B
Vest4		0.22
MutPred		0.31		Loss of glycosylation at T108 (P = 0.16);
MVP		0.34
MPC		0.0067
ClinPred		0.38	T
GERP RS		-1.6
Varity_R		0.26
gMVP		0.094

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

Publications

LitVar

Other links and lift over

dbSNP: rs1197698950; hg19: chr11-55606550;