10-96019311-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001349008.3(CC2D2B):​c.3739G>A​(p.Val1247Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000343 in 1,458,748 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

CC2D2B
NM_001349008.3 missense

Scores

3
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.07
Variant links:
Genes affected
CC2D2B (HGNC:31666): (coiled-coil and C2 domain containing 2B) Predicted to be involved in non-motile cilium assembly and protein localization to ciliary transition zone. Predicted to be active in ciliary transition zone. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.2309548).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CC2D2BNM_001349008.3 linkuse as main transcriptc.3739G>A p.Val1247Ile missense_variant 31/35 ENST00000646931.3 NP_001335937.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CC2D2BENST00000646931.3 linkuse as main transcriptc.3739G>A p.Val1247Ile missense_variant 31/35 NM_001349008.3 ENSP00000496666.2 Q6DHV5-5

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000407
AC:
1
AN:
245770
Hom.:
0
AF XY:
0.00000750
AC XY:
1
AN XY:
133318
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.00000892
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000343
AC:
5
AN:
1458748
Hom.:
0
Cov.:
30
AF XY:
0.00000413
AC XY:
3
AN XY:
725570
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
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:
0.00000450
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.0000312
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJul 02, 2024The c.631G>A (p.V211I) alteration is located in exon 8 (coding exon 6) of the CC2D2B gene. This alteration results from a G to A substitution at nucleotide position 631, causing the valine (V) at amino acid position 211 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.089
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Benign
-0.46
CADD
Benign
16
DANN
Uncertain
0.98
Eigen
Benign
-0.25
Eigen_PC
Benign
-0.061
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Benign
0.61
.;T;T;T
M_CAP
Benign
0.0072
T
MetaRNN
Benign
0.23
T;T;T;T
MetaSVM
Benign
-0.92
T
MutationAssessor
Benign
1.2
.;.;L;L
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-0.75
.;.;N;N
REVEL
Benign
0.074
Sift
Benign
0.23
.;.;T;T
Sift4G
Uncertain
0.025
.;.;D;D
Vest4
0.24, 0.23
MutPred
0.76
.;.;Gain of catalytic residue at V211 (P = 0.0732);Gain of catalytic residue at V211 (P = 0.0732);
MVP
0.17
MPC
0.091
ClinPred
0.11
T
GERP RS
4.3
Varity_R
0.023
gMVP
0.34

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs1467950181; hg19: chr10-97779068; API