Menu
GeneBe

rs751646059

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP6

The NM_001378615.1(CC2D2A):ā€‹c.1546A>Gā€‹(p.Met516Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000268 in 1,601,724 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. M516T) has been classified as Uncertain significance.

Frequency

Genomes: š‘“ 0.000033 ( 0 hom., cov: 33)
Exomes š‘“: 0.000026 ( 0 hom. )

Consequence

CC2D2A
NM_001378615.1 missense

Scores

5
14

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 5.07
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 Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP6
Variant 4-15533272-A-G is Benign according to our data. Variant chr4-15533272-A-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 570107.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=2, Likely_benign=1}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CC2D2ANM_001378615.1 linkuse as main transcriptc.1546A>G p.Met516Val missense_variant 14/37 ENST00000424120.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CC2D2AENST00000424120.6 linkuse as main transcriptc.1546A>G p.Met516Val missense_variant 14/375 NM_001378615.1 P1Q9P2K1-4

Frequencies

GnomAD3 genomes
AF:
0.0000328
AC:
5
AN:
152218
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000327
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000132
AC:
31
AN:
234238
Hom.:
1
AF XY:
0.0000945
AC XY:
12
AN XY:
126990
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000927
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:
0.00
Gnomad OTH exome
AF:
0.000349
GnomAD4 exome
AF:
0.0000262
AC:
38
AN:
1449506
Hom.:
0
Cov.:
29
AF XY:
0.0000250
AC XY:
18
AN XY:
720412
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000879
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000167
GnomAD4 genome
AF:
0.0000328
AC:
5
AN:
152218
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74360
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000327
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000680
Hom.:
0
Bravo
AF:
0.0000756
ExAC
AF:
0.000124
AC:
15

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:2
Uncertain significance, criteria provided, single submitterclinical testingRevvity Omics, RevvityApr 24, 2019- -
Uncertain significance, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Dec 06, 2017- -
Meckel-Gruber syndrome;C0431399:Familial aplasia of the vermis Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeDec 19, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.14
CADD
Benign
20
DANN
Benign
0.96
DEOGEN2
Benign
0.11
T;T;T
Eigen
Benign
0.0042
Eigen_PC
Benign
0.18
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.95
D;D;.
M_CAP
Benign
0.040
D
MetaRNN
Benign
0.048
T;T;T
MetaSVM
Benign
-0.36
T
MutationAssessor
Uncertain
2.3
M;.;M
MutationTaster
Benign
0.99
D;D;D;D
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
-0.67
N;N;N
REVEL
Benign
0.27
Sift
Benign
0.29
T;D;T
Sift4G
Uncertain
0.041
D;T;D
Polyphen
0.028
B;.;B
Vest4
0.32
MutPred
0.58
Loss of catalytic residue at M516 (P = 0.0069);Loss of catalytic residue at M516 (P = 0.0069);Loss of catalytic residue at M516 (P = 0.0069);
MVP
0.75
MPC
0.044
ClinPred
0.079
T
GERP RS
5.4
Varity_R
0.15
gMVP
0.34

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.23
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.23
Position offset: -1

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: rs751646059; hg19: chr4-15534895; API