chr3-56558878-A-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001141947.3(CCDC66):​c.44A>T​(p.Asp15Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000114 in 1,397,398 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

CCDC66
NM_001141947.3 missense

Scores

11
5
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.06
Variant links:
Genes affected
CCDC66 (HGNC:27709): (coiled-coil domain containing 66) Enables microtubule binding activity. Involved in cilium assembly; microtubule bundle formation; and regulation of protein localization to cilium. Located in several cellular components, including Flemming body; microtubule cytoskeleton; and photoreceptor inner segment. [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 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CCDC66NM_001141947.3 linkuse as main transcriptc.44A>T p.Asp15Val missense_variant 2/18 ENST00000394672.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CCDC66ENST00000394672.8 linkuse as main transcriptc.44A>T p.Asp15Val missense_variant 2/181 NM_001141947.3 A2A2RUB6-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000319
AC:
5
AN:
156596
Hom.:
0
AF XY:
0.0000362
AC XY:
3
AN XY:
82846
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:
0.000132
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000329
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000114
AC:
16
AN:
1397398
Hom.:
0
Cov.:
28
AF XY:
0.0000116
AC XY:
8
AN XY:
689304
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000281
Gnomad4 SAS exome
AF:
0.0000885
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000742
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.0000113
ExAC
AF:
0.0000406
AC:
1

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 GeneticsJan 09, 2024The c.44A>T (p.D15V) alteration is located in exon 2 (coding exon 2) of the CCDC66 gene. This alteration results from a A to T substitution at nucleotide position 44, causing the aspartic acid (D) at amino acid position 15 to be replaced by a valine (V). 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
Pathogenic
0.63
BayesDel_addAF
Pathogenic
0.19
D
BayesDel_noAF
Pathogenic
0.27
CADD
Pathogenic
28
DANN
Uncertain
0.99
DEOGEN2
Benign
0.16
T;T
Eigen
Pathogenic
0.75
Eigen_PC
Pathogenic
0.75
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.87
D;D
M_CAP
Pathogenic
0.54
D
MetaRNN
Uncertain
0.54
D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Benign
2.0
.;M
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.51
T
PROVEAN
Pathogenic
-4.4
D;D
REVEL
Pathogenic
0.72
Sift
Uncertain
0.0010
D;D
Sift4G
Pathogenic
0.0010
D;D
Polyphen
1.0
.;D
Vest4
0.59
MutPred
0.32
Loss of disorder (P = 0.0097);Loss of disorder (P = 0.0097);
MVP
0.74
MPC
0.12
ClinPred
0.83
D
GERP RS
5.9
Varity_R
0.46
gMVP
0.67

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs748777335; hg19: chr3-56592906; API