chr3-180642086-G-A

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_181426.2(CCDC39):​c.1781C>T​(p.Thr594Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000494 in 1,612,708 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0010 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00044 ( 1 hom. )

Consequence

CCDC39
NM_181426.2 missense

Scores

5
13

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:5B:7

Conservation

PhyloP100: 2.20

Publications

12 publications found
Variant links:
Genes affected
CCDC39 (HGNC:25244): (coiled-coil domain 39 molecular ruler complex subunit) The protein encoded by this gene is involved in the motility of cilia and flagella. The encoded protein is essential for the assembly of dynein regulatory and inner dynein arm complexes, which regulate ciliary beat. Defects in this gene are a cause of primary ciliary dyskinesia type 14 (CILD14). [provided by RefSeq, Jul 2011]
CCDC39 Gene-Disease associations (from GenCC):
  • primary ciliary dyskinesia 14
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, G2P, PanelApp Australia, Labcorp Genetics (formerly Invitae)
  • 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: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.014485598).
BP6
Variant 3-180642086-G-A is Benign according to our data. Variant chr3-180642086-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 242170.
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.00104 (159/152234) while in subpopulation AMR AF = 0.00392 (60/15296). AF 95% confidence interval is 0.00313. There are 0 homozygotes in GnomAd4. There are 93 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_181426.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CCDC39
NM_181426.2
MANE Select
c.1781C>Tp.Thr594Ile
missense
Exon 13 of 20NP_852091.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CCDC39
ENST00000476379.6
TSL:2 MANE Select
c.1781C>Tp.Thr594Ile
missense
Exon 13 of 20ENSP00000417960.2
CCDC39
ENST00000936067.1
c.1688C>Tp.Thr563Ile
missense
Exon 12 of 19ENSP00000606126.1
CCDC39
ENST00000651046.1
c.1589C>Tp.Thr530Ile
missense
Exon 12 of 19ENSP00000499175.1

Frequencies

GnomAD3 genomes
AF:
0.00105
AC:
159
AN:
152116
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00145
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00393
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.000441
Gnomad OTH
AF:
0.00334
GnomAD2 exomes
AF:
0.000663
AC:
165
AN:
248922
AF XY:
0.000652
show subpopulations
Gnomad AFR exome
AF:
0.000969
Gnomad AMR exome
AF:
0.00238
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000514
Gnomad OTH exome
AF:
0.00166
GnomAD4 exome
AF:
0.000436
AC:
637
AN:
1460474
Hom.:
1
Cov.:
29
AF XY:
0.000439
AC XY:
319
AN XY:
726538
show subpopulations
African (AFR)
AF:
0.00152
AC:
51
AN:
33450
American (AMR)
AF:
0.00260
AC:
116
AN:
44700
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26114
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39616
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86184
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53360
Middle Eastern (MID)
AF:
0.00225
AC:
13
AN:
5766
European-Non Finnish (NFE)
AF:
0.000341
AC:
379
AN:
1110964
Other (OTH)
AF:
0.00128
AC:
77
AN:
60320
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.468
Heterozygous variant carriers
0
30
61
91
122
152
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<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:
0.00104
AC:
159
AN:
152234
Hom.:
0
Cov.:
32
AF XY:
0.00125
AC XY:
93
AN XY:
74428
show subpopulations
African (AFR)
AF:
0.00144
AC:
60
AN:
41556
American (AMR)
AF:
0.00392
AC:
60
AN:
15296
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10598
Middle Eastern (MID)
AF:
0.00680
AC:
2
AN:
294
European-Non Finnish (NFE)
AF:
0.000441
AC:
30
AN:
67986
Other (OTH)
AF:
0.00331
AC:
7
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.499
Heterozygous variant carriers
0
8
15
23
30
38
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:
0.000562
Hom.:
3
Bravo
AF:
0.00146
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.000545
AC:
2
ESP6500EA
AF:
0.000612
AC:
5
ExAC
AF:
0.000480
AC:
58
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000657
EpiControl
AF:
0.000712

ClinVar

ClinVar submissions as Germline
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
4
not provided (4)
-
4
-
Primary ciliary dyskinesia 14 (4)
-
-
2
Primary ciliary dyskinesia (2)
-
-
1
CCDC39-related disorder (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Benign
-0.35
T
BayesDel_noAF
Benign
-0.27
CADD
Benign
21
DANN
Uncertain
1.0
DEOGEN2
Benign
0.0051
T
Eigen
Uncertain
0.23
Eigen_PC
Benign
0.094
FATHMM_MKL
Benign
0.74
D
LIST_S2
Benign
0.76
T
M_CAP
Benign
0.010
T
MetaRNN
Benign
0.014
T
MetaSVM
Benign
-0.94
T
MutationAssessor
Uncertain
2.5
M
PhyloP100
2.2
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
-2.0
N
REVEL
Benign
0.12
Sift
Uncertain
0.0090
D
Sift4G
Benign
0.17
T
Polyphen
0.99
D
Vest4
0.44
MVP
0.20
MPC
0.19
ClinPred
0.039
T
GERP RS
2.9
Varity_R
0.071
Mutation Taster
=100/0
polymorphism

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: rs140505857; hg19: chr3-180359874; API