rs1554100945
Positions:
Variant summary
Our verdict is Pathogenic. Variant got 10 ACMG points: 10P and 0B. PM1PM2PM5PP3_Strong
The NM_001453.3(FOXC1):c.235C>T(p.Pro79Ser) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P79Q) has been classified as Pathogenic.
Frequency
Genomes: not found (cov: 31)
Consequence
FOXC1
NM_001453.3 missense
NM_001453.3 missense
Scores
15
2
1
Clinical Significance
Conservation
PhyloP100: 7.03
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]
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ACMG classification
Classification made for transcript
Verdict is Pathogenic. Variant got 10 ACMG points.
PM1
?
In a hotspot region, there are 6 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 2 uncertain in NM_001453.3
PM2
?
Very rare variant in population databases, with high coverage;
PM5
?
Other missense variant is known to change same aminoacid residue: Variant chr6-1610681-C-A is described in ClinVar as [Pathogenic]. Clinvar id is 2571241.Status of the report is criteria_provided_single_submitter, 1 stars.
PP3
?
MetaRNN computational evidence supports a deleterious effect, 0.987
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
FOXC1 | NM_001453.3 | c.235C>T | p.Pro79Ser | missense_variant | 1/1 | ENST00000645831.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
FOXC1 | ENST00000645831.2 | c.235C>T | p.Pro79Ser | missense_variant | 1/1 | NM_001453.3 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 31
GnomAD3 genomes
?
Cov.:
31
GnomAD4 exome Cov.: 32
GnomAD4 exome
Cov.:
32
GnomAD4 genome ? Cov.: 31
GnomAD4 genome
?
Cov.:
31
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
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Dec 23, 2017 | This sequence change replaces proline with serine at codon 79 of the FOXC1 protein (p.Pro79Ser). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and serine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with FOXC1-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. Different missense substitutions at this codon (p.Pro79Leu, p.Pro79Thr, and p.Pro79Arg) have been reported in individuals affected with anterior segment dysgenesis and Axenfeld-Rieger syndrome (PMID: 11170889, 16936096), and at least one (p.Pro79Thr) has been determined to be pathogenic (PMID: 14506133, 27124303, 11589884). This suggests that the proline residue is critical for FOXC1 protein function and that other missense substitutions at this position may also be pathogenic. 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
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
DEOGEN2
Pathogenic
D;D
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Uncertain
D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D;D
MetaSVM
Pathogenic
D
MutationAssessor
Pathogenic
H;H
MutationTaster
Benign
D
PrimateAI
Pathogenic
D
PROVEAN
Pathogenic
D;.
REVEL
Pathogenic
Sift
Pathogenic
D;.
Sift4G
Pathogenic
D;.
Polyphen
D;D
Vest4
MutPred
Loss of catalytic residue at P79 (P = 0.0029);Loss of catalytic residue at P79 (P = 0.0029);
MVP
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at