16-722978-C-T

Variant summary

Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_001378030.1(CCDC78):​c.1245G>A​(p.Thr415=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000335 in 1,612,446 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00087 ( 0 hom., cov: 34)
Exomes 𝑓: 0.00028 ( 3 hom. )

Consequence

CCDC78
NM_001378030.1 synonymous

Scores

2
17

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -3.94
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 -17 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.005996585).
BP6
Variant 16-722978-C-T is Benign according to our data. Variant chr16-722978-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 473251.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-722978-C-T is described in Lovd as [Likely_benign].
BP7
Synonymous conserved (PhyloP=-3.94 with no splicing effect.
BS2
High AC in GnomAd4 at 133 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CCDC78NM_001378030.1 linkuse as main transcriptc.1245G>A p.Thr415= synonymous_variant 13/14 ENST00000345165.10 NP_001364959.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CCDC78ENST00000345165.10 linkuse as main transcriptc.1245G>A p.Thr415= synonymous_variant 13/145 NM_001378030.1 ENSP00000316851 A2

Frequencies

GnomAD3 genomes
AF:
0.000861
AC:
131
AN:
152232
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.00234
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000589
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00154
Gnomad SAS
AF:
0.00311
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000617
AC:
154
AN:
249520
Hom.:
1
AF XY:
0.000664
AC XY:
90
AN XY:
135490
show subpopulations
Gnomad AFR exome
AF:
0.00199
Gnomad AMR exome
AF:
0.00107
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000653
Gnomad SAS exome
AF:
0.00222
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000178
Gnomad OTH exome
AF:
0.000492
GnomAD4 exome
AF:
0.000279
AC:
407
AN:
1460096
Hom.:
3
Cov.:
34
AF XY:
0.000361
AC XY:
262
AN XY:
726368
show subpopulations
Gnomad4 AFR exome
AF:
0.00233
Gnomad4 AMR exome
AF:
0.000895
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000353
Gnomad4 SAS exome
AF:
0.00247
Gnomad4 FIN exome
AF:
0.0000193
Gnomad4 NFE exome
AF:
0.00000719
Gnomad4 OTH exome
AF:
0.000878
GnomAD4 genome
AF:
0.000873
AC:
133
AN:
152350
Hom.:
0
Cov.:
34
AF XY:
0.000899
AC XY:
67
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.00238
Gnomad4 AMR
AF:
0.000588
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00154
Gnomad4 SAS
AF:
0.00311
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000320
Hom.:
1
Bravo
AF:
0.00102
ESP6500AA
AF:
0.00114
AC:
5
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000561
AC:
68
Asia WGS
AF:
0.00173
AC:
6
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

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

Submissions by phenotype

Congenital myopathy with internal nuclei and atypical cores Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 19, 2024- -
not provided Benign:1
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
CCDC78-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesSep 01, 2020This 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
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.62
T
BayesDel_noAF
Benign
-0.66
CADD
Benign
0.17
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0079
T
Eigen
Benign
-1.4
Eigen_PC
Benign
-1.5
FATHMM_MKL
Benign
0.061
N
LIST_S2
Benign
0.49
T
M_CAP
Benign
0.0080
T
MetaRNN
Benign
0.0060
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.81
L
MutationTaster
Benign
1.0
N;D;D
PrimateAI
Benign
0.19
T
PROVEAN
Benign
-0.98
N
REVEL
Benign
0.17
Sift
Benign
0.092
T
Sift4G
Uncertain
0.025
D
Polyphen
0.11
B
Vest4
0.17
MVP
0.081
MPC
0.17
ClinPred
0.0098
T
GERP RS
-7.5
Varity_R
0.023
gMVP
0.047

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs146067716; hg19: chr16-772978; API