rs575075615
Positions:
Variant summary
Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3
The NM_018076.5(ODAD2):āc.2823T>Gā(p.His941Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000632 in 1,614,126 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā ā ).
Frequency
Genomes: š 0.000046 ( 0 hom., cov: 32)
Exomes š: 0.000065 ( 1 hom. )
Consequence
ODAD2
NM_018076.5 missense
NM_018076.5 missense
Scores
3
11
5
Clinical Significance
Conservation
PhyloP100: 0.196
Genes affected
ODAD2 (HGNC:25583): (outer dynein arm docking complex subunit 2) The protein encoded by this gene contains ten Armadillo repeat motifs (ARMs) and one HEAT repeat, and is thought to be involved in ciliary and flagellar movement. This protein has been shown to localize to the ciliary axonemes and at the ciliary base of respiratory cells. Studies indicate that mutations in this gene cause partial outer dynein arm (ODA) defects in respiratory cilia. The cilia of cells with mutations in this gene displayed either reduced ciliary beat frequency and amplitude, or, complete immotility. Some individuals with primary ciliary dyskensia (PCD) have been shown to have mutations in this gene. PCD is characterized by chronic airway disease and left/right body asymmetry defects. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Aug 2015]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 3 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
PP3
?
MetaRNN computational evidence supports a deleterious effect, 0.781
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
ODAD2 | NM_018076.5 | c.2823T>G | p.His941Gln | missense_variant | 19/20 | ENST00000305242.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
ODAD2 | ENST00000305242.10 | c.2823T>G | p.His941Gln | missense_variant | 19/20 | 1 | NM_018076.5 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0000460 AC: 7AN: 152182Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000678 AC: 17AN: 250910Hom.: 0 AF XY: 0.0000590 AC XY: 8AN XY: 135582
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GnomAD4 exome AF: 0.0000650 AC: 95AN: 1461826Hom.: 1 Cov.: 31 AF XY: 0.0000715 AC XY: 52AN XY: 727222
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GnomAD4 genome ? AF: 0.0000460 AC: 7AN: 152300Hom.: 0 Cov.: 32 AF XY: 0.0000403 AC XY: 3AN XY: 74470
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Primary ciliary dyskinesia Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | May 30, 2022 | The p.H941Q variant (also known as c.2823T>G), located in coding exon 18 of the ARMC4 gene, results from a T to G substitution at nucleotide position 2823. The histidine at codon 941 is replaced by glutamine, an amino acid with highly similar properties. This amino acid position is conserved. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. - |
Primary ciliary dyskinesia 23 Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Jul 14, 2022 | This sequence change replaces histidine, which is basic and polar, with glutamine, which is neutral and polar, at codon 941 of the ARMC4 protein (p.His941Gln). This variant is present in population databases (rs575075615, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with ARMC4-related conditions. ClinVar contains an entry for this variant (Variation ID: 541498). 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: "Deleterious"; PolyPhen-2: "Probably 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:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
BayesDel_addAF
Benign
T
BayesDel_noAF
Uncertain
CADD
Benign
DANN
Uncertain
DEOGEN2
Benign
T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Uncertain
D
M_CAP
Uncertain
D
MetaRNN
Pathogenic
D
MetaSVM
Uncertain
D
MutationAssessor
Pathogenic
M
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D
REVEL
Uncertain
Sift
Uncertain
D
Sift4G
Uncertain
D
Polyphen
D
Vest4
MutPred
Gain of MoRF binding (P = 0.0798);
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at