Genetic Variant NM_001206927.2:c.9943G>A (chr6-38913932-G-A) – ACMG Classification: Benign (-14 pts)

Variant summary

Our verdict is Benign. The variant received -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_001206927.2(DNAH8):c.9943G>A(p.Ala3315Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000584 in 1,612,476 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0031 ( 4 hom., cov: 33)

Exomes 𝑓: 0.00032 ( 4 hom. )

Consequence

DNAH8
NM_001206927.2 missense

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 7.95

Publications

2 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 links:

DNAH8-AS1 (HGNC:40188): (DNAH8 antisense RNA 1)

DNAH8-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -14 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.008771926).

BP6

Variant 6-38913932-G-A is Benign according to our data. Variant chr6-38913932-G-A is described in ClinVar as Benign. ClinVar VariationId is 414418.Status of the report is criteria_provided_single_submitter, 1 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00311 (474/152260) while in subpopulation AFR AF = 0.0109 (453/41558). AF 95% confidence interval is 0.0101. There are 4 homozygotes in GnomAd4. There are 222 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 4 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DNAH8	NM_001206927.2 link	c.9943G>A	p.Ala3315Thr	missense_variant	Exon 67 of 93	ENST00000327475.11	NP_001193856.1	Q96JB1Q8IU65A0A075B6F3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
DNAH8	ENST00000327475.11 link	c.9943G>A	p.Ala3315Thr	missense_variant	Exon 67 of 93	5	NM_001206927.2	ENSP00000333363.7	A0A075B6F3
DNAH8	ENST00000359357.7 link	c.9292G>A	p.Ala3098Thr	missense_variant	Exon 65 of 91	2		ENSP00000352312.3	Q96JB1-1
DNAH8	ENST00000449981.6 link	c.9943G>A	p.Ala3315Thr	missense_variant	Exon 66 of 82	5		ENSP00000415331.2	H0Y7V4

Frequencies

GnomAD3 genomes

AF:

0.00311

AC:

473

AN:

152142

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0109

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00334

GnomAD2 exomes

AF:

0.000865

AC:

217

AN:

250934

AF XY:

0.000612

show subpopulations

Gnomad AFR exome

AF:

0.0124

Gnomad AMR exome

AF:

0.000347

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000265

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000320

AC:

467

AN:

1460216

Hom.:

Cov.:

AF XY:

0.000270

AC XY:

196

AN XY:

726234

show subpopulations

African (AFR)

AF:

0.0114

AC:

380

AN:

33424

American (AMR)

AF:

0.000537

AC:

AN:

44694

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26096

East Asian (EAS)

AF:

0.00

AC:

AN:

39558

South Asian (SAS)

AF:

0.0000464

AC:

AN:

86190

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53370

Middle Eastern (MID)

AF:

0.000694

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1110814

Other (OTH)

AF:

0.000812

AC:

AN:

60310

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.460

Heterozygous variant carriers

105

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00311

AC:

474

AN:

152260

Hom.:

Cov.:

AF XY:

0.00298

AC XY:

222

AN XY:

74450

show subpopulations

African (AFR)

AF:

0.0109

AC:

453

AN:

41558

American (AMR)

AF:

0.000654

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4816

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68010

Other (OTH)

AF:

0.00331

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

103

129

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000922

Hom.:

Bravo

AF:

0.00359

ESP6500AA

AF:

0.00999

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.00119

AC:

145

Asia WGS

AF:

0.00173

AC:

AN:

3478

EpiCase

AF:

0.0000546

EpiControl

AF:

0.00

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Primary ciliary dyskinesia

Benign:1

Jan 20, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.53

BayesDel_addAF

Benign

-0.28

BayesDel_noAF

Benign

-0.16

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.11

T;D;T

Eigen

Pathogenic

0.83

Eigen_PC

Pathogenic

0.79

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.89

D;D;D

MetaRNN

Benign

0.0088

T;T;T

MetaSVM

Uncertain

0.0028

MutationAssessor

Benign

1.8

.;.;L

PhyloP100

7.9

PrimateAI

Uncertain

0.57

PROVEAN

Uncertain

-4.0

.;D;D

REVEL

Uncertain

0.62

Sift

Uncertain

0.0020

.;D;D

Polyphen

1.0

.;.;D

Vest4

0.14

MVP

0.76

MPC

0.43

ClinPred

0.067

GERP RS

6.1

Varity_R

0.55

gMVP

0.43

Mutation Taster

=95/5

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over