16-722867-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001378030.1(CCDC78):​c.1301+55G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00103 in 1,609,094 control chromosomes in the GnomAD database, including 11 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0052 ( 5 hom., cov: 34)
Exomes 𝑓: 0.00060 ( 6 hom. )

Consequence

CCDC78
NM_001378030.1 intron

Scores

2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.495
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=-0.81).
BP6
Variant 16-722867-C-T is Benign according to our data. Variant chr16-722867-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 1316291.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00518 (789/152330) while in subpopulation AFR AF= 0.0182 (756/41556). AF 95% confidence interval is 0.0171. There are 5 homozygotes in gnomad4. There are 344 alleles in male gnomad4 subpopulation. Median coverage is 34. This position pass quality control queck.
BS2
High AC in GnomAd4 at 789 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CCDC78NM_001378030.1 linkuse as main transcriptc.1301+55G>A intron_variant ENST00000345165.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CCDC78ENST00000345165.10 linkuse as main transcriptc.1301+55G>A intron_variant 5 NM_001378030.1 A2

Frequencies

GnomAD3 genomes
AF:
0.00518
AC:
789
AN:
152212
Hom.:
5
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0182
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00124
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.00335
GnomAD3 exomes
AF:
0.00132
AC:
329
AN:
248644
Hom.:
1
AF XY:
0.000911
AC XY:
123
AN XY:
135042
show subpopulations
Gnomad AFR exome
AF:
0.0191
Gnomad AMR exome
AF:
0.000493
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000654
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000493
GnomAD4 exome
AF:
0.000599
AC:
872
AN:
1456764
Hom.:
6
Cov.:
33
AF XY:
0.000483
AC XY:
350
AN XY:
724546
show subpopulations
Gnomad4 AFR exome
AF:
0.0218
Gnomad4 AMR exome
AF:
0.000694
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000928
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000631
Gnomad4 OTH exome
AF:
0.00153
GnomAD4 genome
AF:
0.00518
AC:
789
AN:
152330
Hom.:
5
Cov.:
34
AF XY:
0.00462
AC XY:
344
AN XY:
74476
show subpopulations
Gnomad4 AFR
AF:
0.0182
Gnomad4 AMR
AF:
0.00124
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00331
Alfa
AF:
0.00269
Hom.:
0
Bravo
AF:
0.00610
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Likely benign, criteria provided, single submitterclinical testingGeneDxOct 27, 2018- -
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.81
CADD
Benign
1.4
DANN
Benign
0.51

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: rs190128477; hg19: chr16-772867; API