11-2165311-C-T
Variant summary
Our verdict is Likely benign. The variant received -3 ACMG points: 0P and 3B. BP4_ModerateBP6
The NM_000360.4(TH):c.1255G>A(p.Val419Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000265 in 1,612,666 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. V419V) has been classified as Likely benign.
Frequency
Consequence
NM_000360.4 missense
Scores
Clinical Significance
Conservation
Publications
- TH-deficient dopa-responsive dystoniaInheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet
- tyrosine hydroxylase deficiencyInheritance: AR Classification: DEFINITIVE Submitted by: ClinGen, Myriad Women’s Health
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ACMG classification
Our verdict: Likely_benign. The variant received -3 ACMG points.
Variant Effect in Transcripts
ACMG analysis was done for transcript: NM_000360.4. You can select a different transcript below to see updated ACMG assignments.
RefSeq Transcripts
| Selected | Gene | Transcript | Tags | HGVSc | HGVSp | Effect | Exon Rank | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|---|
| TH | NM_000360.4 | MANE Select | c.1255G>A | p.Val419Met | missense | Exon 12 of 13 | NP_000351.2 | ||
| TH | NM_199292.3 | c.1348G>A | p.Val450Met | missense | Exon 13 of 14 | NP_954986.2 | |||
| TH | NM_199293.3 | c.1336G>A | p.Val446Met | missense | Exon 13 of 14 | NP_954987.2 |
Ensembl Transcripts
| Selected | Gene | Transcript | Tags | HGVSc | HGVSp | Effect | Exon Rank | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|---|
| TH | ENST00000352909.8 | TSL:1 MANE Select | c.1255G>A | p.Val419Met | missense | Exon 12 of 13 | ENSP00000325951.4 | ||
| TH | ENST00000381178.5 | TSL:1 | c.1348G>A | p.Val450Met | missense | Exon 13 of 14 | ENSP00000370571.1 | ||
| TH | ENST00000381175.5 | TSL:1 | c.1336G>A | p.Val446Met | missense | Exon 13 of 14 | ENSP00000370567.1 |
Frequencies
GnomAD3 genomes AF: 0.000329 AC: 50AN: 152186Hom.: 0 Cov.: 33 show subpopulations
GnomAD2 exomes AF: 0.000456 AC: 114AN: 249890 AF XY: 0.000472 show subpopulations
GnomAD4 exome AF: 0.000258 AC: 377AN: 1460362Hom.: 1 Cov.: 32 AF XY: 0.000263 AC XY: 191AN XY: 726478 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.000328 AC: 50AN: 152304Hom.: 0 Cov.: 33 AF XY: 0.000363 AC XY: 27AN XY: 74466 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not provided Uncertain:2Benign:2
Autosomal recessive DOPA responsive dystonia Uncertain:1Benign:2Other:1
This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.
GenomeConnect assertions are reported exactly as they appear on the patient-provided report from the testing laboratory. GenomeConnect staff make no attempt to reinterpret the clinical significance of the variant.
TH-related disorder Benign:1
This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications).
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at