6-39012221-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001206927.2(DNAH8):​c.13378T>A​(p.Ser4460Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000345 in 1,449,974 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

DNAH8
NM_001206927.2 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.39
Variant links:
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 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.13975659).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DNAH8NM_001206927.2 linkuse as main transcriptc.13378T>A p.Ser4460Thr missense_variant 90/93 ENST00000327475.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DNAH8ENST00000327475.11 linkuse as main transcriptc.13378T>A p.Ser4460Thr missense_variant 90/935 NM_001206927.2 P2
DNAH8ENST00000359357.7 linkuse as main transcriptc.12727T>A p.Ser4243Thr missense_variant 88/912 A2Q96JB1-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000406
AC:
1
AN:
246252
Hom.:
0
AF XY:
0.00000751
AC XY:
1
AN XY:
133138
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000299
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000345
AC:
5
AN:
1449974
Hom.:
0
Cov.:
30
AF XY:
0.00000278
AC XY:
2
AN XY:
720036
show subpopulations
Gnomad4 AFR exome
AF:
0.0000904
Gnomad4 AMR exome
AF:
0.0000228
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000117
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

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 submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpMay 24, 2022This sequence change replaces serine, which is neutral and polar, with threonine, which is neutral and polar, at codon 4460 of the DNAH8 protein (p.Ser4460Thr). This variant is present in population databases (no rsID available, gnomAD 0.003%). This variant has not been reported in the literature in individuals affected with DNAH8-related conditions. ClinVar contains an entry for this variant (Variation ID: 525232). 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: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.082
BayesDel_addAF
Benign
-0.36
T
BayesDel_noAF
Benign
-0.66
CADD
Benign
18
DANN
Benign
0.91
DEOGEN2
Benign
0.020
T;T
Eigen
Benign
-0.29
Eigen_PC
Benign
-0.070
FATHMM_MKL
Uncertain
0.86
D
LIST_S2
Benign
0.51
T;T
M_CAP
Benign
0.0037
T
MetaRNN
Benign
0.14
T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
1.3
.;L
MutationTaster
Benign
0.73
N;N
PrimateAI
Benign
0.40
T
PROVEAN
Benign
-1.0
.;N
REVEL
Benign
0.082
Sift
Benign
0.10
.;T
Polyphen
0.0010
.;B
Vest4
0.14
MutPred
0.43
.;Loss of ubiquitination at K4242 (P = 0.0709);
MVP
0.43
MPC
0.13
ClinPred
0.18
T
GERP RS
5.3
Varity_R
0.20
gMVP
0.37

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1488366198; hg19: chr6-38979997; API