Genetic Variant FOXL2:p.Gly187Asp (chr3-138946163-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 4P and 4B. PP3_StrongBS2

The NM_023067.4(FOXL2):c.560G>A(p.Gly187Asp) variant causes a missense change. The variant allele was found at a frequency of 0.000033 in 1,484,576 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

FOXL2
NM_023067.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:2U:2B:1O:1

Conservation

PhyloP100: 4.90

Variant links:

Genes affected

FOXL2 (HGNC:1092): (forkhead box L2) This gene encodes a forkhead transcription factor. The protein contains a fork-head DNA-binding domain and may play a role in ovarian development and function. Expansion of a polyalanine repeat region and other mutations in this gene are a cause of blepharophimosis syndrome and premature ovarian failure 3. [provided by RefSeq, Jul 2016]

FOXL2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.949

BS2

High AC in GnomAdExome4 at 47 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FOXL2	NM_023067.4 link	c.560G>A	p.Gly187Asp	missense_variant	Exon 1 of 1	ENST00000648323.1	NP_075555.1	P58012Q53ZD3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FOXL2	ENST00000648323.1 link	c.560G>A	p.Gly187Asp	missense_variant	Exon 1 of 1		NM_023067.4	ENSP00000497217.1		P58012

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

151714

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.00321

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000455

AC:

AN:

87950

Hom.:

AF XY:

0.0000804

AC XY:

AN XY:

49774

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000638

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:

0.0000586

Gnomad OTH exome

AF:

0.000388

GnomAD4 exome

AF:

0.0000353

AC:

AN:

1332754

Hom.:

Cov.:

AF XY:

0.0000456

AC XY:

AN XY:

657386

show subpopulations

Gnomad4 AFR exome

AF:

0.0000373

Gnomad4 AMR exome

AF:

0.0000370

Gnomad4 ASJ exome

AF:

0.0000427

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000303

Gnomad4 OTH exome

AF:

0.000199

GnomAD4 genome

AF:

0.0000132

AC:

AN:

151822

Hom.:

Cov.:

AF XY:

0.0000270

AC XY:

AN XY:

74200

show subpopulations

Gnomad4 AFR

AF:

0.00

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:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000949

Hom.:

Bravo

AF:

0.0000302

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Pathogenic:2Uncertain:2Benign:1Other:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Premature ovarian failure 3

Pathogenic:2

Jul 10, 2019

Centre for Mendelian Genomics, University Medical Centre Ljubljana

Significance: Likely pathogenic

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant was classified as: Likely pathogenic. The following ACMG criteria were applied in classifying this variant: PS3,PP2,PP3,PP5. -

Jul 01, 2009

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

- -

Blepharophimosis, ptosis, and epicanthus inversus syndrome

Benign:1Other:1

GeneReviews

Significance: not provided

Review Status: no classification provided

Collection Method: literature only

- -

Mar 29, 2024

Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Centre

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

See cases

Uncertain:1

Apr 17, 2020

Laboratorio de Genetica e Diagnostico Molecular, Hospital Israelita Albert Einstein

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

ACMG classification criteria: PS3 support, PS4 support, PM2, PP2 -

not provided

Uncertain:1

Dec 07, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This sequence change replaces glycine, which is neutral and non-polar, with aspartic acid, which is acidic and polar, at codon 187 of the FOXL2 protein (p.Gly187Asp). This variant is present in population databases (rs121908359, gnomAD 0.007%). This missense change has been observed in individual(s) with primary ovarian insufficiency without blepharophimosis and/or sex reversal (PMID: 12161610, 19429596). ClinVar contains an entry for this variant (Variation ID: 4871). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.82

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Pathogenic

0.16

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.29

T;T

Eigen

Uncertain

0.49

Eigen_PC

Uncertain

0.46

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.91

.;D

M_CAP

Pathogenic

0.96

MetaRNN

Pathogenic

0.95

D;D

MetaSVM

Pathogenic

0.84

MutationAssessor

Benign

1.4

L;L

PrimateAI

Pathogenic

0.96

PROVEAN

Benign

-0.89

.;N

REVEL

Pathogenic

0.69

Sift

Uncertain

0.0010

.;D

Sift4G

Uncertain

0.025

.;D

Polyphen

1.0

D;D

Vest4

0.62

MutPred

0.80

Loss of catalytic residue at G185 (P = 0.0679);Loss of catalytic residue at G185 (P = 0.0679);

MVP

0.90

ClinPred

0.48

GERP RS

3.7

Varity_R

0.52

gMVP

0.72

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

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