16-724520-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_001378030.1(CCDC78):​c.766-11G>A variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.494 in 1,589,550 control chromosomes in the GnomAD database, including 203,337 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.49 ( 18866 hom., cov: 33)
Exomes 𝑓: 0.50 ( 184471 hom. )

Consequence

CCDC78
NM_001378030.1 splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0005553
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: -3.61
Variant links:
Genes affected
CCDC78 (HGNC:14153): (coiled-coil domain containing 78) Involved in de novo centriole assembly involved in multi-ciliated epithelial cell differentiation and skeletal muscle contraction. Located in several cellular components, including centriole; deuterosome; and sarcolemma. Implicated in centronuclear myopathy 4. [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 -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.91).
BP6
Variant 16-724520-C-T is Benign according to our data. Variant chr16-724520-C-T is described in ClinVar as [Benign]. Clinvar id is 257169.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-724520-C-T is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.787 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CCDC78NM_001378030.1 linkuse as main transcriptc.766-11G>A splice_polypyrimidine_tract_variant, intron_variant ENST00000345165.10 NP_001364959.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CCDC78ENST00000345165.10 linkuse as main transcriptc.766-11G>A splice_polypyrimidine_tract_variant, intron_variant 5 NM_001378030.1 ENSP00000316851 A2

Frequencies

GnomAD3 genomes
AF:
0.485
AC:
73694
AN:
151906
Hom.:
18839
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.393
Gnomad AMI
AF:
0.456
Gnomad AMR
AF:
0.579
Gnomad ASJ
AF:
0.396
Gnomad EAS
AF:
0.808
Gnomad SAS
AF:
0.762
Gnomad FIN
AF:
0.603
Gnomad MID
AF:
0.424
Gnomad NFE
AF:
0.464
Gnomad OTH
AF:
0.451
GnomAD3 exomes
AF:
0.574
AC:
120458
AN:
209688
Hom.:
36858
AF XY:
0.573
AC XY:
67191
AN XY:
117176
show subpopulations
Gnomad AFR exome
AF:
0.399
Gnomad AMR exome
AF:
0.715
Gnomad ASJ exome
AF:
0.397
Gnomad EAS exome
AF:
0.816
Gnomad SAS exome
AF:
0.761
Gnomad FIN exome
AF:
0.612
Gnomad NFE exome
AF:
0.465
Gnomad OTH exome
AF:
0.495
GnomAD4 exome
AF:
0.495
AC:
712055
AN:
1437526
Hom.:
184471
Cov.:
54
AF XY:
0.502
AC XY:
358898
AN XY:
714906
show subpopulations
Gnomad4 AFR exome
AF:
0.382
Gnomad4 AMR exome
AF:
0.695
Gnomad4 ASJ exome
AF:
0.397
Gnomad4 EAS exome
AF:
0.799
Gnomad4 SAS exome
AF:
0.753
Gnomad4 FIN exome
AF:
0.607
Gnomad4 NFE exome
AF:
0.460
Gnomad4 OTH exome
AF:
0.491
GnomAD4 genome
AF:
0.485
AC:
73760
AN:
152024
Hom.:
18866
Cov.:
33
AF XY:
0.501
AC XY:
37198
AN XY:
74312
show subpopulations
Gnomad4 AFR
AF:
0.393
Gnomad4 AMR
AF:
0.580
Gnomad4 ASJ
AF:
0.396
Gnomad4 EAS
AF:
0.808
Gnomad4 SAS
AF:
0.763
Gnomad4 FIN
AF:
0.603
Gnomad4 NFE
AF:
0.464
Gnomad4 OTH
AF:
0.456
Alfa
AF:
0.478
Hom.:
3306
Bravo
AF:
0.472
Asia WGS
AF:
0.741
AC:
2572
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingGeneDxJul 06, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Congenital myopathy with internal nuclei and atypical cores Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpFeb 01, 2024- -
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -
not specified Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.91
CADD
Benign
1.0
DANN
Benign
0.72
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
2.2

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00056
dbscSNV1_RF
Benign
0.038
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: rs4984921; hg19: chr16-774520; API