rs762606868

Positions:

chr7-754811-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_017802.4(DNAAF5):c.1247T>C(p.Val416Ala) variant causes a missense change. The variant allele was found at a frequency of 0.0000312 in 1,603,072 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V416M) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

DNAAF5
NM_017802.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 5.59

Variant links:

Genes affected

DNAAF5 (HGNC:26013): (dynein axonemal assembly factor 5) The protein encoded by this gene is essential for the preassembly or stability of axonemal dynein arms, and is found only in organisms with motile cilia and flagella. Mutations in this gene are associated with primary ciliary dyskinesia-18, a disorder characterized by abnormalities of motile cilia. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Feb 2013]

DNAAF5 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.858

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
DNAAF5	NM_017802.4 linkuse as main transcript	c.1247T>C	p.Val416Ala	missense_variant	5/13	ENST00000297440.11
DNAAF5	XM_024446813.2 linkuse as main transcript	c.1247T>C	p.Val416Ala	missense_variant	5/12
DNAAF5	NR_075098.2 linkuse as main transcript	n.1207T>C		non_coding_transcript_exon_variant	5/13

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
DNAAF5	ENST00000297440.11 linkuse as main transcript	c.1247T>C	p.Val416Ala	missense_variant	5/13	1	NM_017802.4	P1	Q86Y56-1
DNAAF5	ENST00000440747.5 linkuse as main transcript	c.653T>C	p.Val218Ala	missense_variant	5/13	2
DNAAF5	ENST00000437419.5 linkuse as main transcript	c.566T>C	p.Val189Ala	missense_variant	4/5	5

Frequencies

GnomAD3 genomes

AF:

0.0000460

AC:

AN:

152176

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.000103

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000375

AC:

AN:

240018

Hom.:

AF XY:

0.0000535

AC XY:

AN XY:

130852

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000846

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000296

AC:

AN:

1450896

Hom.:

Cov.:

AF XY:

0.0000347

AC XY:

AN XY:

719990

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000362

Gnomad4 OTH exome

AF:

0.0000501

GnomAD4 genome

AF:

0.0000460

AC:

AN:

152176

Hom.:

Cov.:

AF XY:

0.0000673

AC XY:

AN XY:

74346

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000103

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000969

Hom.:

Bravo

AF:

0.0000302

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Primary ciliary dyskinesia

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Ambry Genetics	Apr 13, 2023	The p.V416A variant (also known as c.1247T>C), located in coding exon 5 of the DNAAF5 gene, results from a T to C substitution at nucleotide position 1247. The valine at codon 416 is replaced by alanine, an amino acid with similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Uncertain significance, criteria provided, single submitter	clinical testing	Invitae	Sep 02, 2021	This sequence change replaces valine with alanine at codon 416 of the DNAAF5 protein (p.Val416Ala). The valine residue is highly conserved and there is a small physicochemical difference between valine and alanine. This variant is present in population databases (rs762606868, ExAC 0.002%). This variant has not been reported in the literature in individuals affected with DNAAF5-related conditions. 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: "Possibly Damaging"; 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

Uncertain

0.46

BayesDel_addAF

Pathogenic

0.21

BayesDel_noAF

Pathogenic

0.26

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.34

Eigen

Uncertain

0.57

Eigen_PC

Uncertain

0.50

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Benign

0.57

M_CAP

Uncertain

0.19

MetaRNN

Pathogenic

0.86

MetaSVM

Uncertain

0.24

MutationTaster

Benign

1.0

D;D

PrimateAI

Uncertain

0.71

PROVEAN

Uncertain

-3.8

REVEL

Pathogenic

0.75

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.018

Polyphen

0.97

Vest4

0.65

MVP

0.39

MPC

0.48

ClinPred

0.88

GERP RS

5.5

Varity_R

0.52

gMVP

0.58

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over