chr19-55165427-G-C
Variant names:
Variant summary
Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate
The NM_001256715.2(DNAAF3):c.265C>G(p.Arg89Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,880 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: not found (cov: 31)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
DNAAF3
NM_001256715.2 missense
NM_001256715.2 missense
Scores
7
7
5
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 1.81
Publications
0 publications found
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]
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ACMG classification
Classification was made for transcript
Our verdict: Uncertain_significance. The variant received 4 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.896
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes
GnomAD3 genomes
Cov.:
31
GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461880Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1AN XY: 727242 show subpopulations ⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
GnomAD4 exome
AF:
AC:
1
AN:
1461880
Hom.:
Cov.:
31
AF XY:
AC XY:
1
AN XY:
727242
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
AC:
0
AN:
33480
American (AMR)
AF:
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
AC:
0
AN:
26136
East Asian (EAS)
AF:
AC:
0
AN:
39700
South Asian (SAS)
AF:
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
AC:
0
AN:
53416
Middle Eastern (MID)
AF:
AC:
0
AN:
5762
European-Non Finnish (NFE)
AF:
AC:
1
AN:
1112010
Other (OTH)
AF:
AC:
0
AN:
60396
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
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
GnomAD4 genome
Cov.:
31
ClinVar
Not reported inComputational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
DANN
Uncertain
DEOGEN2
Uncertain
.;D;.;.;D;D;.
Eigen
Uncertain
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Benign
T;T;T;T;T;T;T
M_CAP
Benign
D
MetaRNN
Pathogenic
D;D;D;D;D;D;D
MetaSVM
Benign
T
MutationAssessor
Uncertain
.;M;.;.;.;.;.
PhyloP100
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D;.;.;D;.;.;.
REVEL
Uncertain
Sift
Pathogenic
D;.;.;D;.;.;.
Sift4G
Pathogenic
D;D;D;D;D;.;.
Polyphen
1.0
.;D;.;.;.;.;.
Vest4
MutPred
0.76
.;Loss of stability (P = 0.0184);.;.;Loss of stability (P = 0.0184);.;.;
MVP
MPC
1.3
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at
Publications
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