Genetic Variant DNAH8:p.Glu128Gln (chr6-38723191-G-C) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001206927.2(DNAH8):c.382G>C(p.Glu128Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000687 in 1,455,270 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 11/19 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E128D) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

DNAH8
NM_001206927.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.17

Publications

4 publications found

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]

DNAH8 Gene-Disease associations (from GenCC):

spermatogenic failure 46
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen
spermatogenic failure 5
Inheritance: AR Classification: MODERATE Submitted by: Franklin by Genoox
primary ciliary dyskinesia
Inheritance: AR Classification: NO_KNOWN Submitted by: ClinGen

DNAH8 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.2925295).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DNAH8	NM_001206927.2 link	c.382G>C	p.Glu128Gln	missense_variant	Exon 2 of 93	ENST00000327475.11	NP_001193856.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein
DNAH8	ENST00000327475.11 link	c.382G>C	p.Glu128Gln	missense_variant	Exon 2 of 93	5	NM_001206927.2	ENSP00000333363.7
DNAH8	ENST00000373278.8 link	c.382G>C	p.Glu128Gln	missense_variant	Exon 2 of 5	1		ENSP00000362375.4
DNAH8	ENST00000449981.6 link	c.382G>C	p.Glu128Gln	missense_variant	Exon 1 of 82	5		ENSP00000415331.2
DNAH8	ENST00000359357.7 link	c.-185G>C		5_prime_UTR_variant	Exon 1 of 91	2		ENSP00000352312.3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000420

AC:

AN:

238320

AF XY:

0.00000765

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000924

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.87e-7

AC:

AN:

1455270

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

723542

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33234

American (AMR)

AF:

0.00

AC:

AN:

43824

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25888

East Asian (EAS)

AF:

0.00

AC:

AN:

39650

South Asian (SAS)

AF:

0.00

AC:

AN:

85330

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51566

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5738

European-Non Finnish (NFE)

AF:

9.01e-7

AC:

AN:

1109882

Other (OTH)

AF:

0.00

AC:

AN:

60158

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000860

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.85

BayesDel_addAF

Benign

-0.050

BayesDel_noAF

Benign

-0.31

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.012

T;.;T

Eigen

Uncertain

0.59

Eigen_PC

Uncertain

0.61

FATHMM_MKL

Uncertain

0.91

LIST_S2

Benign

0.82

T;T;T

M_CAP

Benign

0.017

MetaRNN

Benign

0.29

T;T;T

MetaSVM

Benign

-1.2

MutationAssessor

Benign

0.0

.;.;.

PhyloP100

3.2

PrimateAI

Uncertain

0.56

PROVEAN

Benign

0.0

.;N;N

REVEL

Benign

0.17

Sift

Pathogenic

0.0

.;D;T

Sift4G

Pathogenic

0.0

.;D;.

Vest4

0.42

ClinPred

0.96

GERP RS

5.9

PromoterAI

0.0013

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

gMVP

0.49

Mutation Taster

=280/20

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over