rs767677564

Variant names:

Variant summary

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

The ENST00000528412.5(DNAAF3):n.*829_*836+1delGACTCCAGG variant causes a splice region, non coding transcript exon change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000279 in 1,611,658 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00017 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

DNAAF3
ENST00000528412.5 splice_region, non_coding_transcript_exon

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts P:1U:3

Conservation

PhyloP100: 0.422

Publications

0 publications found

Variant links:

Genes affected

DNAAF3 (HGNC:30492): (dynein axonemal assembly factor 3) The protein encoded by this gene is required for the assembly of axonemal inner and outer dynein arms and plays a role in assembling dynein complexes for transport into cilia. Defects in this gene are a cause of primary ciliary dyskinesia type 2 (CILD2). Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2012]

DNAAF3 links:

ENSG00000267110 (HGNC:):

ENSG00000267110 links:

DNAAF3-AS1 (HGNC:55292): (DNAAF3 antisense RNA 1)

DNAAF3-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DNAAF3	NM_001256715.2 link	c.1041_1048+1delGACTCCAGG	p.Thr348fs	frameshift_variant, splice_donor_variant, splice_region_variant, intron_variant	Exon 9 of 12	ENST00000524407.7	NP_001243644.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DNAAF3	ENST00000524407.7 link	c.1041_1048+1delGACTCCAGG	p.Thr348fs	frameshift_variant, splice_donor_variant, splice_region_variant, intron_variant	Exon 9 of 12	1	NM_001256715.2	ENSP00000432046.3
ENSG00000267110	ENST00000587871.1 link	n.24_31+1delGACTCCAGG		splice_donor_variant, splice_region_variant, intron_variant, non_coding_transcript_exon_variant	Exon 1 of 9	5		ENSP00000473050.1

Frequencies

GnomAD3 genomes

AF:

0.000166

AC:

AN:

150450

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000439

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000479

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000161

AC:

AN:

247704

AF XY:

0.00000743

show subpopulations

Gnomad AFR exome

AF:

0.000194

Gnomad AMR exome

AF:

0.0000291

Gnomad ASJ exome

AF:

0.00

Gnomad EAS 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:

0.0000137

AC:

AN:

1461208

Hom.:

AF XY:

0.0000179

AC XY:

AN XY:

726868

show subpopulations

African (AFR)

AF:

0.000448

AC:

AN:

33466

American (AMR)

AF:

0.0000224

AC:

AN:

44650

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26114

East Asian (EAS)

AF:

0.00

AC:

AN:

39602

South Asian (SAS)

AF:

0.00

AC:

AN:

86154

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53314

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111774

Other (OTH)

AF:

0.0000663

AC:

AN:

60366

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.438

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

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

GnomAD4 genome

AF:

0.000166

AC:

AN:

150450

Hom.:

Cov.:

AF XY:

0.000232

AC XY:

AN XY:

73390

show subpopulations

African (AFR)

AF:

0.000439

AC:

AN:

41008

American (AMR)

AF:

0.000479

AC:

AN:

14620

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3456

East Asian (EAS)

AF:

0.00

AC:

AN:

4954

South Asian (SAS)

AF:

0.00

AC:

AN:

4758

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10564

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67802

Other (OTH)

AF:

0.00

AC:

AN:

2060

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.469

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

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:

0.0000712

Hom.:

Bravo

AF:

0.000170

ClinVar

Significance: Uncertain significance

Submissions summary: Pathogenic:1Uncertain:3

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Primary ciliary dyskinesia 2

Pathogenic:1

Dec 03, 2019

Revvity Omics, Revvity

Significance:Likely pathogenic

Review Status:flagged submission

Collection Method:clinical testing

- -

Primary ciliary dyskinesia

Uncertain:1

Jun 03, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant, c.1240_1248del, results in the deletion of 3 amino acid(s) of the DNAAF3 protein (p.Gly414_Pro416del), but otherwise preserves the integrity of the reading frame. This variant is present in population databases (rs767677564, gnomAD 0.03%). 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. ClinVar contains an entry for this variant (Variation ID: 454613). This variant is also known as c.1245_1252+1del. This variant has not been reported in the literature in individuals affected with DNAAF3-related conditions. -

not provided

Uncertain:1

Jan 24, 2024

GeneDx

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Canonical splice site variant expected to result in aberrant splicing, although in the absence of functional evidence the actual effect of this sequence change is unknown.; Has not been previously published as pathogenic or benign to our knowledge -

DNAAF3-related disorder

Uncertain:1

May 05, 2023

PreventionGenetics, part of Exact Sciences

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The DNAAF3 c.1245_1252+1del9 variant is predicted to result in a deletion affecting a canonical splice site. This variant is predicted to create a new splice donor site based on available splicing prediction programs (Alamut Visual Plus v1.6.1), however, such computer prediction programs are imperfect. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.029% of alleles in individuals of African descent in gnomAD (http://gnomad.broadinstitute.org/variant/19-55672006-ACCTGGAGTC-A). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.42

Splicing

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