chr16-724312-C-T

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_001378030.1(CCDC78):​c.953+10G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000353 in 1,607,900 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0017 ( 1 hom., cov: 33)
Exomes 𝑓: 0.00021 ( 1 hom. )

Consequence

CCDC78
NM_001378030.1 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -3.08
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 16-724312-C-T is Benign according to our data. Variant chr16-724312-C-T is described in ClinVar as [Benign]. Clinvar id is 447010.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High AC in GnomAd4 at 264 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CCDC78NM_001378030.1 linkuse as main transcriptc.953+10G>A 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.953+10G>A intron_variant 5 NM_001378030.1 ENSP00000316851 A2

Frequencies

GnomAD3 genomes
AF:
0.00172
AC:
262
AN:
152216
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00567
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00105
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00287
GnomAD3 exomes
AF:
0.000503
AC:
125
AN:
248294
Hom.:
0
AF XY:
0.000342
AC XY:
46
AN XY:
134494
show subpopulations
Gnomad AFR exome
AF:
0.00582
Gnomad AMR exome
AF:
0.000698
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000179
Gnomad OTH exome
AF:
0.000825
GnomAD4 exome
AF:
0.000209
AC:
304
AN:
1455566
Hom.:
1
Cov.:
35
AF XY:
0.000199
AC XY:
144
AN XY:
723128
show subpopulations
Gnomad4 AFR exome
AF:
0.00608
Gnomad4 AMR exome
AF:
0.000742
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000466
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000334
Gnomad4 OTH exome
AF:
0.000449
GnomAD4 genome
AF:
0.00173
AC:
264
AN:
152334
Hom.:
1
Cov.:
33
AF XY:
0.00173
AC XY:
129
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.00570
Gnomad4 AMR
AF:
0.00105
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00284
Alfa
AF:
0.00153
Hom.:
0
Bravo
AF:
0.00225
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:1
Benign, criteria provided, single submitterclinical testingAthena DiagnosticsOct 31, 2019- -
Congenital myopathy with internal nuclei and atypical cores Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 25, 2024- -
CCDC78-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMay 22, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
CADD
Benign
0.23
DANN
Benign
0.52

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs79863898; hg19: chr16-774312; API