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chr18-33092876-C-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_001105528.4(CCDC178):​c.2273G>T​(p.Arg758Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00327 in 1,568,174 control chromosomes in the GnomAD database, including 12 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0026 ( 2 hom., cov: 32)
Exomes 𝑓: 0.0033 ( 10 hom. )

Consequence

CCDC178
NM_001105528.4 missense

Scores

3
16

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.820
Variant links:
Genes affected
CCDC178 (HGNC:29588): (coiled-coil domain containing 178) Located in ciliary basal body. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.011208296).
BP6
Variant 18-33092876-C-A is Benign according to our data. Variant chr18-33092876-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 2648634.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAd4 at 2 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CCDC178NM_001105528.4 linkuse as main transcriptc.2273G>T p.Arg758Leu missense_variant 21/23 ENST00000383096.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CCDC178ENST00000383096.8 linkuse as main transcriptc.2273G>T p.Arg758Leu missense_variant 21/235 NM_001105528.4 A2Q5BJE1-1

Frequencies

GnomAD3 genomes
AF:
0.00261
AC:
397
AN:
151872
Hom.:
2
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000483
Gnomad AMI
AF:
0.0296
Gnomad AMR
AF:
0.000721
Gnomad ASJ
AF:
0.00317
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00290
Gnomad FIN
AF:
0.00664
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00352
Gnomad OTH
AF:
0.00240
GnomAD3 exomes
AF:
0.00323
AC:
709
AN:
219380
Hom.:
4
AF XY:
0.00339
AC XY:
405
AN XY:
119588
show subpopulations
Gnomad AFR exome
AF:
0.000821
Gnomad AMR exome
AF:
0.000728
Gnomad ASJ exome
AF:
0.00287
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00266
Gnomad FIN exome
AF:
0.00642
Gnomad NFE exome
AF:
0.00418
Gnomad OTH exome
AF:
0.00308
GnomAD4 exome
AF:
0.00334
AC:
4735
AN:
1416184
Hom.:
10
Cov.:
27
AF XY:
0.00327
AC XY:
2303
AN XY:
705262
show subpopulations
Gnomad4 AFR exome
AF:
0.000484
Gnomad4 AMR exome
AF:
0.000654
Gnomad4 ASJ exome
AF:
0.00312
Gnomad4 EAS exome
AF:
0.0000262
Gnomad4 SAS exome
AF:
0.00296
Gnomad4 FIN exome
AF:
0.00620
Gnomad4 NFE exome
AF:
0.00354
Gnomad4 OTH exome
AF:
0.00327
GnomAD4 genome
AF:
0.00261
AC:
397
AN:
151990
Hom.:
2
Cov.:
32
AF XY:
0.00272
AC XY:
202
AN XY:
74272
show subpopulations
Gnomad4 AFR
AF:
0.000482
Gnomad4 AMR
AF:
0.000720
Gnomad4 ASJ
AF:
0.00317
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00290
Gnomad4 FIN
AF:
0.00664
Gnomad4 NFE
AF:
0.00352
Gnomad4 OTH
AF:
0.00237
Alfa
AF:
0.00382
Hom.:
1
Bravo
AF:
0.00233
TwinsUK
AF:
0.00270
AC:
10
ALSPAC
AF:
0.00493
AC:
19
ESP6500AA
AF:
0.000682
AC:
3
ESP6500EA
AF:
0.00210
AC:
18
ExAC
AF:
0.00351
AC:
426

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJan 01, 2023CCDC178: BP4, BS2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.17
BayesDel_addAF
Benign
-0.50
T
BayesDel_noAF
Benign
-0.50
CADD
Benign
6.3
DANN
Benign
0.84
DEOGEN2
Benign
0.031
T;T;.;.;.;.
Eigen
Benign
-0.22
Eigen_PC
Benign
-0.31
FATHMM_MKL
Benign
0.14
N
LIST_S2
Benign
0.79
T;.;T;T;.;T
M_CAP
Benign
0.050
D
MetaRNN
Benign
0.011
T;T;T;T;T;T
MetaSVM
Benign
-1.2
T
MutationAssessor
Benign
1.0
L;L;.;.;.;L
MutationTaster
Benign
1.0
D;D;D;N;N;N;N;N;N
PrimateAI
Benign
0.23
T
PROVEAN
Uncertain
-2.9
D;D;D;D;.;.
REVEL
Benign
0.14
Sift
Uncertain
0.0040
D;D;D;D;.;.
Sift4G
Uncertain
0.057
T;T;T;D;D;T
Polyphen
1.0
D;D;D;D;D;.
Vest4
0.40
MVP
0.26
MPC
0.12
ClinPred
0.038
T
GERP RS
3.0
Varity_R
0.15
gMVP
0.12

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.080
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.

Other links and lift over

dbSNP: rs62090751; hg19: chr18-30672840; API