rs59896146

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_017950.4(CCDC40):​c.2785G>A​(p.Gly929Ser) variant causes a missense change. The variant allele was found at a frequency of 0.000419 in 1,614,230 control chromosomes in the GnomAD database, including 7 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G929A) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0024 ( 3 hom., cov: 32)
Exomes 𝑓: 0.00022 ( 4 hom. )

Consequence

CCDC40
NM_017950.4 missense

Scores

1
3
14

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 5.56

Publications

3 publications found
Variant links:
Genes affected
CCDC40 (HGNC:26090): (coiled-coil domain 40 molecular ruler complex subunit) This gene encodes a protein that is necessary for motile cilia function. It functions in correct left-right axis formation by regulating the assembly of the inner dynein arm and the dynein regulatory complexes, which control ciliary beat. Mutations in this gene cause ciliary dyskinesia type 15, a disorder due to defects in cilia motility. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2011]
CCDC40 Gene-Disease associations (from GenCC):
  • primary ciliary dyskinesia 15
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, ClinGen, Ambry Genetics, Labcorp Genetics (formerly Invitae), PanelApp Australia, Laboratory for Molecular Medicine
  • primary ciliary dyskinesia
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • autoimmune disease
    Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.01065591).
BP6
Variant 17-80089837-G-A is Benign according to our data. Variant chr17-80089837-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 241238.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00236 (359/152384) while in subpopulation AFR AF = 0.00846 (352/41598). AF 95% confidence interval is 0.00773. There are 3 homozygotes in GnomAd4. There are 166 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 3 AR,AD gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CCDC40NM_017950.4 linkc.2785G>A p.Gly929Ser missense_variant Exon 17 of 20 ENST00000397545.9 NP_060420.2 Q4G0X9-1
CCDC40NM_001243342.2 linkc.2785G>A p.Gly929Ser missense_variant Exon 17 of 18 NP_001230271.1 Q4G0X9-2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CCDC40ENST00000397545.9 linkc.2785G>A p.Gly929Ser missense_variant Exon 17 of 20 5 NM_017950.4 ENSP00000380679.4 Q4G0X9-1

Frequencies

GnomAD3 genomes
AF:
0.00236
AC:
359
AN:
152266
Hom.:
3
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00849
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
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:
0.00144
GnomAD2 exomes
AF:
0.000565
AC:
141
AN:
249542
AF XY:
0.000436
show subpopulations
Gnomad AFR exome
AF:
0.00852
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000883
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000217
AC:
317
AN:
1461846
Hom.:
4
Cov.:
32
AF XY:
0.000188
AC XY:
137
AN XY:
727220
show subpopulations
African (AFR)
AF:
0.00830
AC:
278
AN:
33478
American (AMR)
AF:
0.000112
AC:
5
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000812
AC:
7
AN:
86248
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53416
Middle Eastern (MID)
AF:
0.000347
AC:
2
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000360
AC:
4
AN:
1111982
Other (OTH)
AF:
0.000348
AC:
21
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.464
Heterozygous variant carriers
0
18
36
54
72
90
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
10
20
30
40
50
<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:
0.00236
AC:
359
AN:
152384
Hom.:
3
Cov.:
32
AF XY:
0.00223
AC XY:
166
AN XY:
74520
show subpopulations
African (AFR)
AF:
0.00846
AC:
352
AN:
41598
American (AMR)
AF:
0.000261
AC:
4
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68042
Other (OTH)
AF:
0.00142
AC:
3
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
19
38
56
75
94
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
4
8
12
16
20
<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:
0.000945
Hom.:
2
Bravo
AF:
0.00264
ESP6500AA
AF:
0.00687
AC:
27
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000720
AC:
87
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Primary ciliary dyskinesia Benign:2
Dec 26, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Feb 06, 2017
Ambry Genetics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

not specified Benign:1
-
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:1
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.22
BayesDel_addAF
Benign
-0.47
T
BayesDel_noAF
Benign
-0.44
CADD
Benign
21
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.47
.;T
Eigen
Benign
0.11
Eigen_PC
Benign
0.014
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.79
T;T
MetaRNN
Benign
0.011
T;T
MetaSVM
Benign
-0.90
T
MutationAssessor
Benign
1.8
L;L
PhyloP100
5.6
PrimateAI
Benign
0.40
T
PROVEAN
Pathogenic
-4.9
D;D
REVEL
Benign
0.23
Sift
Benign
0.064
T;T
Sift4G
Benign
0.56
T;T
Polyphen
0.99
.;D
Vest4
0.35
MVP
0.51
MPC
0.42
ClinPred
0.066
T
GERP RS
3.4
Varity_R
0.23
gMVP
0.39
Mutation Taster
=96/4
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs59896146; hg19: chr17-78063636; COSMIC: COSV66473313; COSMIC: COSV66473313; API