Genetic Variant FOXC1:p.Ser12Thr (chr6-1610479-T-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_001453.3(FOXC1):c.34T>A(p.Ser12Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

FOXC1
NM_001453.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.821

Variant links:

Genes affected

FOXC1 (HGNC:3800): (forkhead box C1) This gene belongs to the forkhead family of transcription factors which is characterized by a distinct DNA-binding forkhead domain. The specific function of this gene has not yet been determined; however, it has been shown to play a role in the regulation of embryonic and ocular development. Mutations in this gene cause various glaucoma phenotypes including primary congenital glaucoma, autosomal dominant iridogoniodysgenesis anomaly, and Axenfeld-Rieger anomaly. [provided by RefSeq, Jul 2008]

FOXC1 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FOXC1	NM_001453.3 link	c.34T>A	p.Ser12Thr	missense_variant	Exon 1 of 1	ENST00000645831.2	NP_001444.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FOXC1	ENST00000645831.2 link	c.34T>A	p.Ser12Thr	missense_variant	Exon 1 of 1		NM_001453.3	ENSP00000493906.1		Q12948

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1325426

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

649104

Gnomad4 AFR exome

AF:

0.00

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:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Axenfeld-Rieger syndrome type 3

Uncertain:1

Jul 12, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

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. 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. This variant has not been reported in the literature in individuals affected with FOXC1-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces serine, which is neutral and polar, with threonine, which is neutral and polar, at codon 12 of the FOXC1 protein (p.Ser12Thr). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.27

BayesDel_addAF

Benign

0.0025

BayesDel_noAF

Benign

-0.23

CADD

Uncertain

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.42

T;T

Eigen

Benign

0.16

Eigen_PC

Benign

0.082

FATHMM_MKL

Uncertain

0.79

LIST_S2

Benign

0.68

.;T

M_CAP

Pathogenic

0.92

MetaRNN

Uncertain

0.44

T;T

MetaSVM

Uncertain

0.33

MutationAssessor

Benign

1.8

L;L

PrimateAI

Pathogenic

0.96

PROVEAN

Benign

-1.5

N;.

REVEL

Uncertain

0.43

Sift

Uncertain

0.0090

D;.

Sift4G

Benign

0.071

T;.

Polyphen

0.99

D;D

Vest4

0.16

MutPred

0.25

Loss of disorder (P = 0.0354);Loss of disorder (P = 0.0354);

MVP

0.94

ClinPred

0.93

GERP RS

2.1

Varity_R

0.24

gMVP

0.65

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

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over