rs151145750
Variant summary
Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM2BP4_StrongBP6BS1
The NM_001369.3(DNAH5):c.12367C>T(p.His4123Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000245 in 1,614,124 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 Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_001369.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -7 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
DNAH5 | ENST00000265104.5 | c.12367C>T | p.His4123Tyr | missense_variant | Exon 72 of 79 | 1 | NM_001369.3 | ENSP00000265104.4 | ||
DNAH5 | ENST00000681290.1 | c.12322C>T | p.His4108Tyr | missense_variant | Exon 72 of 79 | ENSP00000505288.1 |
Frequencies
GnomAD3 genomes AF: 0.000243 AC: 37AN: 152168Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.000793 AC: 199AN: 250880Hom.: 1 AF XY: 0.000708 AC XY: 96AN XY: 135560
GnomAD4 exome AF: 0.000246 AC: 359AN: 1461838Hom.: 0 Cov.: 34 AF XY: 0.000243 AC XY: 177AN XY: 727226
GnomAD4 genome AF: 0.000243 AC: 37AN: 152286Hom.: 0 Cov.: 32 AF XY: 0.000282 AC XY: 21AN XY: 74458
ClinVar
Submissions by phenotype
Primary ciliary dyskinesia Benign:3
This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
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Primary ciliary dyskinesia 3 Uncertain:2
The DNAH5 c.12367C>T; p.His4123Tyr variant (rs151145750, ClinVar Variation ID: 257996) is reported in the literature in three individuals affected with laterality defects/heterotaxy; however, no additional evidence of causality was presented (Kosaki 2020, Li 2018, Liu 2022). This variant is found in the East Asian population with an allele frequency of 1.0% (207/19,922 alleles, including 1 homozygote) in the Genome Aggregation Database (v2.1.1). Computational analyses are uncertain whether this variant is neutral or deleterious (REVEL: 0.341). Due to limited information, the clinical significance of this variant is uncertain at this time. References: Kosaki R et al. Consecutive medical exome analysis at a tertiary center: Diagnostic and health-economic outcomes. Am J Med Genet A. 2020 Jul;182(7):1601-1607. PMID: 32369273. Li S et al. A novel ZIC3 gene mutation identified in patients with heterotaxy and congenital heart disease. Sci Rep. 2018 Aug 17;8(1):12386. PMID: 30120289 Liu S et al. LOF variants identifying candidate genes of laterality defects patients with congenital heart disease. PLoS Genet. 2022 Dec 2;18(12):e1010530. PMID: 36459505 -
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. -
not specified Benign:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at