3-138946163-C-T
Variant summary
Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PP3_Strong
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
NM_023067.4 missense
Scores
7
4
3
Clinical Significance
Conservation
PhyloP100: 4.90
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]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 4 ACMG points.
PP3
?
MetaRNN computational evidence supports a deleterious effect, 0.949
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
FOXL2 | NM_023067.4 | c.560G>A | p.Gly187Asp | missense_variant | 1/1 | ENST00000648323.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
FOXL2 | ENST00000648323.1 | c.560G>A | p.Gly187Asp | missense_variant | 1/1 | NM_023067.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0000132 AC: 2AN: 151714Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000455 AC: 4AN: 87950Hom.: 0 AF XY: 0.0000804 AC XY: 4AN XY: 49774
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GnomAD4 exome AF: 0.0000353 AC: 47AN: 1332754Hom.: 0 Cov.: 32 AF XY: 0.0000456 AC XY: 30AN XY: 657386
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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
Pathogenic, no assertion criteria provided | literature only | OMIM | Jul 01, 2009 | - - |
Likely pathogenic, criteria provided, single submitter | clinical testing | Centre for Mendelian Genomics, University Medical Centre Ljubljana | Jul 10, 2019 | This variant was classified as: Likely pathogenic. The following ACMG criteria were applied in classifying this variant: PS3,PP2,PP3,PP5. - |
Blepharophimosis, ptosis, and epicanthus inversus syndrome Benign:1Other:1
Likely benign, criteria provided, single submitter | clinical testing | Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center | Mar 29, 2024 | - - |
not provided, no classification provided | literature only | GeneReviews | - | - - |
See cases Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Laboratorio de Genetica e Diagnostico Molecular, Hospital Israelita Albert Einstein | Apr 17, 2020 | ACMG classification criteria: PS3 support, PS4 support, PM2, PP2 - |
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Dec 07, 2023 | 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:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Pathogenic
Cadd
Pathogenic
Dann
Uncertain
DEOGEN2
Benign
T;T
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D;D
MetaSVM
Pathogenic
D
MutationAssessor
Benign
L;L
MutationTaster
Benign
A
PrimateAI
Pathogenic
D
Polyphen
D;D
Vest4
0.62
MutPred
Loss of catalytic residue at G185 (P = 0.0679);Loss of catalytic residue at G185 (P = 0.0679);
MVP
0.90
ClinPred
T
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at