chr4-15559127-G-T

Variant summary

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

The NM_001378615.1(CC2D2A):​c.2830-38G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.143 in 1,191,750 control chromosomes in the GnomAD database, including 12,856 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.13 ( 1425 hom., cov: 32)
Exomes 𝑓: 0.14 ( 11431 hom. )

Consequence

CC2D2A
NM_001378615.1 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 2.83
Variant links:
Genes affected
CC2D2A (HGNC:29253): (coiled-coil and C2 domain containing 2A) This gene encodes a coiled-coil and calcium binding domain protein that appears to play a critical role in cilia formation. Mutations in this gene cause Meckel syndrome type 6, as well as Joubert syndrome type 9. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2009]

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=-0.83).
BP6
Variant 4-15559127-G-T is Benign according to our data. Variant chr4-15559127-G-T is described in ClinVar as [Benign]. Clinvar id is 126235.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.149 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CC2D2ANM_001378615.1 linkuse as main transcriptc.2830-38G>T intron_variant ENST00000424120.6 NP_001365544.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CC2D2AENST00000424120.6 linkuse as main transcriptc.2830-38G>T intron_variant 5 NM_001378615.1 ENSP00000403465.1 Q9P2K1-4

Frequencies

GnomAD3 genomes
AF:
0.133
AC:
20182
AN:
152082
Hom.:
1423
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.122
Gnomad AMI
AF:
0.165
Gnomad AMR
AF:
0.0933
Gnomad ASJ
AF:
0.158
Gnomad EAS
AF:
0.0280
Gnomad SAS
AF:
0.130
Gnomad FIN
AF:
0.158
Gnomad MID
AF:
0.0823
Gnomad NFE
AF:
0.151
Gnomad OTH
AF:
0.113
GnomAD3 exomes
AF:
0.129
AC:
18044
AN:
139968
Hom.:
1402
AF XY:
0.132
AC XY:
9672
AN XY:
73316
show subpopulations
Gnomad AFR exome
AF:
0.126
Gnomad AMR exome
AF:
0.0692
Gnomad ASJ exome
AF:
0.158
Gnomad EAS exome
AF:
0.0263
Gnomad SAS exome
AF:
0.138
Gnomad FIN exome
AF:
0.162
Gnomad NFE exome
AF:
0.150
Gnomad OTH exome
AF:
0.122
GnomAD4 exome
AF:
0.145
AC:
150588
AN:
1039550
Hom.:
11431
Cov.:
13
AF XY:
0.145
AC XY:
76213
AN XY:
526716
show subpopulations
Gnomad4 AFR exome
AF:
0.124
Gnomad4 AMR exome
AF:
0.0710
Gnomad4 ASJ exome
AF:
0.156
Gnomad4 EAS exome
AF:
0.0345
Gnomad4 SAS exome
AF:
0.136
Gnomad4 FIN exome
AF:
0.161
Gnomad4 NFE exome
AF:
0.154
Gnomad4 OTH exome
AF:
0.131
GnomAD4 genome
AF:
0.133
AC:
20208
AN:
152200
Hom.:
1425
Cov.:
32
AF XY:
0.132
AC XY:
9787
AN XY:
74414
show subpopulations
Gnomad4 AFR
AF:
0.123
Gnomad4 AMR
AF:
0.0931
Gnomad4 ASJ
AF:
0.158
Gnomad4 EAS
AF:
0.0280
Gnomad4 SAS
AF:
0.130
Gnomad4 FIN
AF:
0.158
Gnomad4 NFE
AF:
0.151
Gnomad4 OTH
AF:
0.112
Alfa
AF:
0.0558
Hom.:
69
Bravo
AF:
0.125
Asia WGS
AF:
0.100
AC:
348
AN:
3476

ClinVar

Significance: Benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:2
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
Likely benign, no assertion criteria providedclinical testingGenetic Services Laboratory, University of Chicago-Likely benign based on allele frequency in 1000 Genomes Project or ESP global frequency and its presence in a patient with a rare or unrelated disease phenotype. NOT Sanger confirmed. -
not provided Benign:2
Benign, criteria provided, single submitterclinical testingGeneDxJun 26, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Meckel syndrome, type 6 Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -
Joubert syndrome 9 Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.83
CADD
Benign
6.9
DANN
Benign
0.27

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: rs35309200; hg19: chr4-15560750; COSMIC: COSV67503371; COSMIC: COSV67503371; API