rs78853309

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PP3PP5

The NM_001369.3(DNAH5):​c.7502G>C​(p.Arg2501Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000762 in 1,548,374 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R2501W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000074 ( 0 hom. )

Consequence

DNAH5
NM_001369.3 missense

Scores

8
8
2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:4U:5

Conservation

PhyloP100: 7.83

Publications

7 publications found
Variant links:
Genes affected
DNAH5 (HGNC:2950): (dynein axonemal heavy chain 5) This gene encodes a dynein protein, which is part of a microtubule-associated motor protein complex consisting of heavy, light, and intermediate chains. This protein is an axonemal heavy chain dynein. It functions as a force-generating protein with ATPase activity, whereby the release of ADP is thought to produce the force-producing power stroke. Mutations in this gene cause primary ciliary dyskinesia type 3, as well as Kartagener syndrome, which are both diseases due to ciliary defects. [provided by RefSeq, Oct 2009]
DNAH5 Gene-Disease associations (from GenCC):
  • primary ciliary dyskinesia 3
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), G2P, ClinGen
  • primary ciliary dyskinesia
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.835
PP5
Variant 5-13810166-C-G is Pathogenic according to our data. Variant chr5-13810166-C-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 179699.We mark this variant Likely_pathogenic, oryginal submission is: [Conflicting_classifications_of_pathogenicity].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DNAH5NM_001369.3 linkc.7502G>C p.Arg2501Pro missense_variant Exon 45 of 79 ENST00000265104.5 NP_001360.1 Q8TE73

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DNAH5ENST00000265104.5 linkc.7502G>C p.Arg2501Pro missense_variant Exon 45 of 79 1 NM_001369.3 ENSP00000265104.4 Q8TE73
DNAH5ENST00000681290.1 linkc.7457G>C p.Arg2486Pro missense_variant Exon 45 of 79 ENSP00000505288.1 A0A7P0Z455
DNAH5ENST00000512443.1 linkn.358G>C non_coding_transcript_exon_variant Exon 1 of 3 3

Frequencies

GnomAD3 genomes
AF:
0.0000920
AC:
14
AN:
152212
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00403
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:
0.000206
AC:
30
AN:
145432
AF XY:
0.000204
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00353
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000187
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000745
AC:
104
AN:
1396162
Hom.:
0
Cov.:
34
AF XY:
0.0000726
AC XY:
50
AN XY:
688358
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
31512
American (AMR)
AF:
0.00
AC:
0
AN:
35590
Ashkenazi Jewish (ASJ)
AF:
0.00319
AC:
80
AN:
25070
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35668
South Asian (SAS)
AF:
0.00
AC:
0
AN:
79128
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
48180
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5582
European-Non Finnish (NFE)
AF:
0.0000111
AC:
12
AN:
1077612
Other (OTH)
AF:
0.000208
AC:
12
AN:
57820
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
7
14
21
28
35
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000920
AC:
14
AN:
152212
Hom.:
0
Cov.:
32
AF XY:
0.0000941
AC XY:
7
AN XY:
74358
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41462
American (AMR)
AF:
0.00
AC:
0
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00403
AC:
14
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5184
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10630
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68034
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.504
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.000339
Hom.:
0
Bravo
AF:
0.000106
ExAC
AF:
0.0000700
AC:
6

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Pathogenic:4Uncertain:5
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Primary ciliary dyskinesia Pathogenic:3Uncertain:1
Sep 16, 2020
Natera, Inc.
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Oct 24, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces arginine, which is basic and polar, with proline, which is neutral and non-polar, at codon 2501 of the DNAH5 protein (p.Arg2501Pro). This variant is present in population databases (rs78853309, gnomAD 0.3%). This missense change has been observed in individual(s) with clinical features of primary ciliary dyskinesia (PMID: 16627867, 19357118, 25802884, 30067075, 32357925; internal data). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. It has also been observed to segregate with disease in related individuals. This missense change has been observed to be homozygous, hemizygous or homoplasmic in an individual who did not have the expected clinical features for that genetic result (internal data). ClinVar contains an entry for this variant (Variation ID: 179699). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt DNAH5 protein function with a negative predictive value of 95%. For these reasons, this variant has been classified as Pathogenic. -

Apr 05, 2023
Ambry Genetics
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The p.R2501P variant (also known as c.7502G>C), located in coding exon 45 of the DNAH5 gene, results from a G to C substitution at nucleotide position 7502. The arginine at codon 2501 is replaced by proline, an amino acid with dissimilar properties. This variant has been detected in multiple unrelated individuals with clinical features of primary ciliary dyskenesia who were homozygous or had one or two additional DNAH5 alterations (Hornef N et al. Am J Respir Crit Care Med, 2006 Jul;174:120-6; Failly M et al. J Med Genet, 2009 Apr;46:281-6; Davis SD et al. Am J Respir Crit Care Med, 2019 01;199:190-198; Fedick AM et al. Mol Genet Genomic Med, 2015 Mar;3:137-42; Bieder A et al. BMC Med Genet, 2020 05;21:87; Ambry internal data). This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Based on the majority of available evidence to date, this variant is likely to be pathogenic. -

Aug 01, 2018
Yale Center for Mendelian Genomics, Yale University
Significance:Likely pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Primary ciliary dyskinesia 3 Pathogenic:1Uncertain:2
Dec 28, 2023
Fulgent Genetics, Fulgent Genetics
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jul 07, 2022
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:research

- -

Mar 29, 2023
Johns Hopkins Genomics, Johns Hopkins University
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This DNAH5 missense variant along with another DNAH5 variant occurring in trans has been identified in two siblings affected with primay ciliary dyskinesia. The variant has also been reported in other unrelated individuals with primary ciliary dyskinesia. The variant (rs78853309) is rare (<0.1%) in a large population dataset (gnomAD v2.1.1: 31/176772 total alleles; 0.018%; no homozygotes) and has been reported in ClinVar6 (Variation ID: 179699). Two bioinformatic tools queried predict that this substitution would be damaging, and the arginine residue at this position is evolutionarily conserved across all of the species assessed. We consider the clinical significance of c.7502G>C; p.Arg2501Pro in DNAH5 to be uncertain at this time. -

not specified Uncertain:1
May 22, 2019
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

proposed classification - variant undergoing re-assessment, contact laboratory -

not provided Uncertain:1
Jun 04, 2024
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Observed in multiple patients with primary ciliary diskinesia in published literature; patients harbored other variants in the DNAH5 gene but phase for most cases is not known (PMID: 16627867, 19357118, 25802884, 32357925); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 19357118, 32357925, 25802884, 30067075, 38206729, 16627867) -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.98
BayesDel_addAF
Pathogenic
0.26
D
BayesDel_noAF
Pathogenic
0.16
CADD
Uncertain
24
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.79
D
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.49
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.93
D
M_CAP
Uncertain
0.088
D
MetaRNN
Pathogenic
0.84
D
MetaSVM
Benign
-0.30
T
MutationAssessor
Pathogenic
3.5
M
PhyloP100
7.8
PrimateAI
Uncertain
0.62
T
PROVEAN
Pathogenic
-6.6
D
REVEL
Pathogenic
0.69
Sift
Uncertain
0.0010
D
Polyphen
1.0
D
Vest4
0.98
MutPred
0.88
Loss of MoRF binding (P = 0.021);
MVP
0.83
MPC
0.31
ClinPred
0.87
D
GERP RS
5.4
Varity_R
0.90
gMVP
0.97
Mutation Taster
=3/97
disease causing

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

Other links and lift over

dbSNP: rs78853309; hg19: chr5-13810275; API