rs377319302
Variant summary
Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4
The NM_181426.2(CCDC39):āc.1612C>Gā(p.Leu538Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000258 in 1,543,608 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā ā ). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L538R) has been classified as Uncertain significance.
Frequency
Consequence
NM_181426.2 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 1 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
CCDC39 | NM_181426.2 | c.1612C>G | p.Leu538Val | missense_variant | 12/20 | ENST00000476379.6 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
CCDC39 | ENST00000476379.6 | c.1612C>G | p.Leu538Val | missense_variant | 12/20 | 2 | NM_181426.2 | P2 |
Frequencies
GnomAD3 genomes AF: 0.000171 AC: 26AN: 151918Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.000124 AC: 19AN: 152808Hom.: 0 AF XY: 0.000136 AC XY: 11AN XY: 80820
GnomAD4 exome AF: 0.000267 AC: 372AN: 1391690Hom.: 0 Cov.: 28 AF XY: 0.000248 AC XY: 170AN XY: 686284
GnomAD4 genome AF: 0.000171 AC: 26AN: 151918Hom.: 0 Cov.: 32 AF XY: 0.0000944 AC XY: 7AN XY: 74190
ClinVar
Submissions by phenotype
Primary ciliary dyskinesia Uncertain:3
Uncertain significance, criteria provided, single submitter | clinical testing | UNC Molecular Genetics Laboratory, University of North Carolina at Chapel Hill | Nov 12, 2020 | - - |
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Jun 12, 2022 | The p.L538V variant (also known as c.1612C>G), located in coding exon 12 of the CCDC39 gene, results from a C to G substitution at nucleotide position 1612. The leucine at codon 538 is replaced by valine, an amino acid with highly similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. - |
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Aug 28, 2021 | This sequence change replaces leucine with valine at codon 538 of the CCDC39 protein (p.Leu538Val). The leucine residue is moderately conserved and there is a small physicochemical difference between leucine and valine. This variant is present in population databases (rs377319302, ExAC 0.01%). This variant has not been reported in the literature in individuals affected with CCDC39-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). 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:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at