rs431905516
Variant summary
Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM2PP3_ModeratePP5
The NM_001044.5(SLC6A3):c.1561C>T(p.Arg521Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000411 in 1,460,600 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
Consequence
NM_001044.5 missense
Scores
Clinical Significance
Conservation
Publications
- classic dopamine transporter deficiency syndromeInheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
- SLC6A3-related dopamine transporter deficiency syndromeInheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
- parkinsonism-dystonia, infantileInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
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ACMG classification
Our verdict: Uncertain_significance. The variant received 5 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| SLC6A3 | NM_001044.5 | c.1561C>T | p.Arg521Trp | missense_variant | Exon 12 of 15 | ENST00000270349.12 | NP_001035.1 |
Ensembl
Frequencies
GnomAD3 genomes Cov.: 33
GnomAD2 exomes AF: 0.00000801 AC: 2AN: 249788 AF XY: 0.0000148 show subpopulations
GnomAD4 exome AF: 0.00000411 AC: 6AN: 1460600Hom.: 0 Cov.: 32 AF XY: 0.00000413 AC XY: 3AN XY: 726624 show subpopulations
Age Distribution
GnomAD4 genome Cov.: 33
ClinVar
Submissions by phenotype
Classic dopamine transporter deficiency syndrome Pathogenic:2
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- -
Parkinsonism-dystonia, infantile Uncertain:1
Experimental studies have shown that this missense change affects SLC6A3 function (PMID: 21112253). 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. 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 not expected to disrupt SLC6A3 protein function. ClinVar contains an entry for this variant (Variation ID: 97018). This missense change has been observed in individual(s) with dopamine transporter deficiency syndrome (PMID: 21112253). This variant is present in population databases (rs431905516, gnomAD 0.003%). This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 521 of the SLC6A3 protein (p.Arg521Trp). -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at