rs121907918
Variant summary
Our verdict is Pathogenic. The variant received 14 ACMG points: 14P and 0B. PM2PP3_StrongPP5_Very_Strong
The ENST00000640872.1(PAX6):c.-27C>T variant causes a 5 prime UTR premature start codon gain change involving the alteration of a conserved nucleotide. 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 Likely pathogenic (★★).
Frequency
Consequence
ENST00000640872.1 5_prime_UTR_premature_start_codon_gain
Scores
Clinical Significance
Conservation
Publications
- aniridia 1Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, G2P, Labcorp Genetics (formerly Invitae)
- PAX6-related ocular dysgenesisInheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
- Peters anomalyInheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: PanelApp Australia, G2P, Orphanet, Labcorp Genetics (formerly Invitae)
- coloboma, ocular, autosomal dominantInheritance: AD Classification: STRONG Submitted by: PanelApp Australia
- diabetes mellitusInheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
- aniridia-cerebellar ataxia-intellectual disability syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- foveal hypoplasia-presenile cataract syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- isolated aniridiaInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- isolated optic nerve hypoplasiaInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- autosomal dominant keratitisInheritance: Unknown, AD Classification: SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet
Genome browser will be placed here
ACMG classification
Our verdict: Pathogenic. The variant received 14 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| PAX6 | NM_001368894.2 | c.424C>T | p.Arg142Cys | missense_variant | Exon 8 of 14 | ENST00000640368.2 | NP_001355823.1 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| PAX6 | ENST00000640368.2 | c.424C>T | p.Arg142Cys | missense_variant | Exon 8 of 14 | 5 | NM_001368894.2 | ENSP00000492024.1 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD4 exome Cov.: 31
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Foveal hypoplasia 1 Pathogenic:2
- -
- -
Aniridia 1 Pathogenic:1
- -
Aniridia 1;C0344559:Irido-corneo-trabecular dysgenesis Pathogenic:1
This missense change has been observed in individual(s) with foveal hypoplasia (PMID: 8640214, 32360764). It has also been observed to segregate with disease in related individuals. For these reasons, this variant has been classified as Pathogenic. This variant disrupts the p.Arg128 amino acid residue in PAX6. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 18332330). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. Experimental studies have shown that this missense change affects PAX6 function (PMID: 14744876, 23404109, 27013732). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt PAX6 protein function. ClinVar contains an entry for this variant (Variation ID: 3470). This variant is also known as R125C. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 128 of the PAX6 protein (p.Arg128Cys). -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at