Genetic Variant OLFM2:p.Gly249Glu (chr19-9854805-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_058164.4(OLFM2):c.746G>A(p.Gly249Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000412 in 1,456,698 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

OLFM2
NM_058164.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.400

Variant links:

Genes affected

OLFM2 (HGNC:17189): (olfactomedin 2) Involved in positive regulation of smooth muscle cell differentiation. Acts upstream of or within protein secretion. Located in cytoplasm; extracellular region; and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

OLFM2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

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=0.07323837).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OLFM2	NM_058164.4 link	c.746G>A	p.Gly249Glu	missense_variant	Exon 6 of 6	ENST00000264833.9	NP_477512.1	O95897
OLFM2	NM_001304347.2 link	c.818G>A	p.Gly273Glu	missense_variant	Exon 6 of 6		NP_001291276.1	O95897K7EKW2
OLFM2	NM_001304348.2 link	c.512G>A	p.Gly171Glu	missense_variant	Exon 5 of 5		NP_001291277.1	O95897K7EIS8
OLFM2	XM_047439713.1 link	c.542G>A	p.Gly181Glu	missense_variant	Exon 6 of 6		XP_047295669.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
OLFM2	ENST00000264833.9 link	c.746G>A	p.Gly249Glu	missense_variant	Exon 6 of 6	1	NM_058164.4	ENSP00000264833.3		O95897

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000808

AC:

AN:

247478

Hom.:

AF XY:

0.0000149

AC XY:

AN XY:

133994

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000179

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000412

AC:

AN:

1456698

Hom.:

Cov.:

AF XY:

0.00000415

AC XY:

AN XY:

723656

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000451

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.0000113

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 13, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.746G>A (p.G249E) alteration is located in exon 6 (coding exon 6) of the OLFM2 gene. This alteration results from a G to A substitution at nucleotide position 746, causing the glycine (G) at amino acid position 249 to be replaced by a glutamic acid (E). 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

0.13

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.41

CADD

Benign

DANN

Benign

0.91

DEOGEN2

Benign

0.13

T;.;T

Eigen

Benign

-0.61

Eigen_PC

Benign

-0.41

FATHMM_MKL

Benign

0.11

LIST_S2

Uncertain

0.91

D;D;D

M_CAP

Benign

0.024

MetaRNN

Benign

0.073

T;T;T

MetaSVM

Benign

-0.82

MutationAssessor

Benign

-1.4

N;.;.

PrimateAI

Uncertain

0.59

PROVEAN

Benign

1.8

N;.;.

REVEL

Benign

0.23

Sift

Benign

0.81

T;.;.

Sift4G

Benign

1.0

T;T;.

Polyphen

0.0010

B;.;.

Vest4

0.24

MutPred

0.57

Loss of ubiquitination at K253 (P = 0.0503);.;.;

MVP

0.043

MPC

0.92

ClinPred

0.063

GERP RS

4.5

Varity_R

0.087

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over