chr16-722799-G-A
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Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate
The NM_001378030.1(CCDC78):c.1302-10C>T 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 0.00000186 in 1,612,476 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
CCDC78
NM_001378030.1 splice_polypyrimidine_tract, intron
NM_001378030.1 splice_polypyrimidine_tract, intron
Scores
2
Splicing: ADA: 0.0002064
2
Clinical Significance
Conservation
PhyloP100: 0.502
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 Likely_benign. Variant got -4 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 16-722799-G-A is Benign according to our data. Variant chr16-722799-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 1154779.Status of the report is criteria_provided_single_submitter, 1 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
CCDC78 | NM_001378030.1 | c.1302-10C>T | splice_polypyrimidine_tract_variant, intron_variant | ENST00000345165.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
CCDC78 | ENST00000345165.10 | c.1302-10C>T | splice_polypyrimidine_tract_variant, intron_variant | 5 | NM_001378030.1 | A2 |
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152210Hom.: 0 Cov.: 33
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GnomAD4 exome AF: 6.85e-7 AC: 1AN: 1460266Hom.: 0 Cov.: 35 AF XY: 0.00000138 AC XY: 1AN XY: 726456
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GnomAD4 genome AF: 0.0000131 AC: 2AN: 152210Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1AN XY: 74362
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Congenital myopathy with internal nuclei and atypical cores Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Sep 21, 2019 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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dbscSNV1_ADA
Benign
dbscSNV1_RF
Benign
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at