4-3489785-C-T
Variant summary
Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong
The NM_001256896.2(DOK7):c.-170C>T variant causes a 5 prime UTR premature start codon gain change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000102 in 1,574,150 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 Uncertain significance (★★).
Frequency
Consequence
NM_001256896.2 5_prime_UTR_premature_start_codon_gain
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -2 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.000138 AC: 21AN: 152040Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.000150 AC: 28AN: 186064Hom.: 0 AF XY: 0.000201 AC XY: 20AN XY: 99580
GnomAD4 exome AF: 0.0000978 AC: 139AN: 1421992Hom.: 1 Cov.: 32 AF XY: 0.000111 AC XY: 78AN XY: 703516
GnomAD4 genome AF: 0.000138 AC: 21AN: 152158Hom.: 0 Cov.: 32 AF XY: 0.000108 AC XY: 8AN XY: 74406
ClinVar
Submissions by phenotype
not specified Uncertain:1
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Fetal akinesia deformation sequence 1;C1850792:Congenital myasthenic syndrome 10 Uncertain:1
This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 254 of the DOK7 protein (p.Pro254Leu). This variant is present in population databases (rs200407250, gnomAD 0.04%). This variant has not been reported in the literature in individuals affected with DOK7-related conditions. ClinVar contains an entry for this variant (Variation ID: 252795). 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 DOK7 protein function with a negative predictive value of 80%. 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. -
not provided Uncertain:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at