rs1056358638
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Variant summary
Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3
The NM_001206927.2(DNAH8):c.774T>A(p.Phe258Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000261 in 1,532,294 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )
Consequence
DNAH8
NM_001206927.2 missense
NM_001206927.2 missense
Scores
2
3
10
Clinical Significance
Conservation
PhyloP100: 2.18
Genes affected
DNAH8 (HGNC:2952): (dynein axonemal heavy chain 8) The protein encoded by this gene is a heavy chain of an axonemal dynein involved in sperm and respiratory cilia motility. Axonemal dyneins generate force through hydrolysis of ATP and binding to microtubules. [provided by RefSeq, Jan 2012]
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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, 0.779
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
DNAH8 | NM_001206927.2 | c.774T>A | p.Phe258Leu | missense_variant | 6/93 | ENST00000327475.11 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
DNAH8 | ENST00000327475.11 | c.774T>A | p.Phe258Leu | missense_variant | 6/93 | 5 | NM_001206927.2 | P2 | |
DNAH8 | ENST00000359357.7 | c.123T>A | p.Phe41Leu | missense_variant | 4/91 | 2 | A2 | ||
DNAH8 | ENST00000449981.6 | c.774T>A | p.Phe258Leu | missense_variant | 5/82 | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.0000131 AC: 2AN: 152206Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000145 AC: 2AN: 1380088Hom.: 0 Cov.: 30 AF XY: 0.00000292 AC XY: 2AN XY: 684180
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GnomAD4 genome ? AF: 0.0000131 AC: 2AN: 152206Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74350
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Primary ciliary dyskinesia Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Aug 31, 2021 | This sequence change replaces phenylalanine with leucine at codon 258 of the DNAH8 protein (p.Phe258Leu). The phenylalanine residue is moderately conserved and there is a small physicochemical difference between phenylalanine and leucine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with DNAH8-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: "Deleterious"; PolyPhen-2: "Not Available"; 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
Pathogenic
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Uncertain
DEOGEN2
Benign
T;T;T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Benign
T;T;T
M_CAP
Benign
T
MetaRNN
Pathogenic
D;D;D
MetaSVM
Benign
T
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
REVEL
Benign
Polyphen
0.097
.;.;B
Vest4
MutPred
0.69
.;.;Loss of sheet (P = 0.0357);
MVP
MPC
0.50
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