Genetic Variant DNAH6:p.His84Arg (chr2-84525590-A-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001370.2(DNAH6):c.251A>G(p.His84Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000143 in 1,395,274 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 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. H84L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

DNAH6
NM_001370.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.21

Publications

0 publications found

Variant links:

Genes affected

DNAH6 (HGNC:2951): (dynein axonemal heavy chain 6) This gene belongs to the dynein family, whose members encode large proteins that are constituents of the microtubule-associated motor protein complex. This complex is composed of dynein heavy, intermediate and light chains, which can be axonemal or cytoplasmic. This protein is an axonemal dynein heavy chain. It is involved in producing force for ciliary beating by using energy from ATP hydrolysis. Mutations in this gene may cause primary ciliary dyskinesia (PCD) as well as heterotaxy. [provided by RefSeq, Jun 2016]

DNAH6 Gene-Disease associations (from GenCC):

male infertility with azoospermia or oligozoospermia due to single gene mutation
Inheritance: AR Classification: MODERATE Submitted by: King Faisal Specialist Hospital and Research Center

DNAH6 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.09012678).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DNAH6	NM_001370.2 link	c.251A>G	p.His84Arg	missense_variant	Exon 3 of 77	ENST00000389394.8	NP_001361.1	Q9C0G6-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
DNAH6	ENST00000389394.8 link	c.251A>G	p.His84Arg	missense_variant	Exon 3 of 77	5	NM_001370.2	ENSP00000374045.3	Q9C0G6-1
DNAH6	ENST00000494025.1 link	n.229+7539A>G		intron_variant	Intron 1 of 8	1
DNAH6	ENST00000468661.1 link	n.306A>G		non_coding_transcript_exon_variant	Exon 3 of 4	4
DNAH6	ENST00000476689.5 link	n.388A>G		non_coding_transcript_exon_variant	Exon 3 of 11	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000143

AC:

AN:

1395274

Hom.:

Cov.:

AF XY:

0.00000145

AC XY:

AN XY:

688054

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31324

American (AMR)

AF:

0.00

AC:

AN:

34670

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25052

East Asian (EAS)

AF:

0.00

AC:

AN:

35628

South Asian (SAS)

AF:

0.00

AC:

AN:

78224

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49254

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5674

European-Non Finnish (NFE)

AF:

0.00000186

AC:

AN:

1077590

Other (OTH)

AF:

0.00

AC:

AN:

57858

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.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.065

BayesDel_addAF

Benign

-0.28

BayesDel_noAF

Benign

-0.64

CADD

Benign

(source)

DANN

Benign

0.95

DEOGEN2

Benign

0.039

T;T

Eigen

Benign

-0.31

Eigen_PC

Benign

-0.11

FATHMM_MKL

Uncertain

0.86

LIST_S2

Benign

0.57

T;.

M_CAP

Benign

0.0082

MetaRNN

Benign

0.090

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.69

N;N

PhyloP100

2.2

PrimateAI

Uncertain

0.54

PROVEAN

Benign

-1.8

N;N

REVEL

Benign

0.035

Sift

Benign

0.16

T;T

Polyphen

0.0

B;B

Vest4

0.17

MutPred

0.30

Gain of ubiquitination at K85 (P = 0.0542);Gain of ubiquitination at K85 (P = 0.0542);

MVP

0.19

MPC

0.099

ClinPred

0.28

GERP RS

4.3

Varity_R

0.076

gMVP

0.19

Mutation Taster

=74/26

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

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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2-84525590-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over