rs374656545

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_025114.4(CEP290):​c.2446C>T​(p.Arg816Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000386 in 1,451,390 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R816P) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00019 ( 1 hom., cov: 32)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

CEP290
NM_025114.4 missense

Scores

3
9
7

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:10

Conservation

PhyloP100: 6.64

Publications

1 publications found
Variant links:
Genes affected
CEP290 (HGNC:29021): (centrosomal protein 290) This gene encodes a protein with 13 putative coiled-coil domains, a region with homology to SMC chromosome segregation ATPases, six KID motifs, three tropomyosin homology domains and an ATP/GTP binding site motif A. The protein is localized to the centrosome and cilia and has sites for N-glycosylation, tyrosine sulfation, phosphorylation, N-myristoylation, and amidation. Mutations in this gene have been associated with Joubert syndrome and nephronophthisis and the presence of antibodies against this protein is associated with several forms of cancer. [provided by RefSeq, Jul 2008]
CEP290 Gene-Disease associations (from GenCC):
  • CEP290-related ciliopathy
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • Joubert syndrome 5
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
  • Bardet-Biedl syndrome 14
    Inheritance: AR Classification: STRONG, MODERATE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
  • Leber congenital amaurosis 10
    Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • Leber congenital amaurosis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Bardet-Biedl syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • Joubert syndrome with oculorenal defect
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • Meckel syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • Senior-Loken syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.19155467).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CEP290NM_025114.4 linkc.2446C>T p.Arg816Cys missense_variant Exon 23 of 54 ENST00000552810.6 NP_079390.3 O15078Q05BJ6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CEP290ENST00000552810.6 linkc.2446C>T p.Arg816Cys missense_variant Exon 23 of 54 1 NM_025114.4 ENSP00000448012.1 O15078

Frequencies

GnomAD3 genomes
AF:
0.000191
AC:
29
AN:
151846
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000508
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000328
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.0000500
AC:
8
AN:
160056
AF XY:
0.0000793
show subpopulations
Gnomad AFR exome
AF:
0.000533
Gnomad AMR exome
AF:
0.0000661
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000128
Gnomad OTH exome
AF:
0.000281
GnomAD4 exome
AF:
0.0000208
AC:
27
AN:
1299426
Hom.:
0
Cov.:
21
AF XY:
0.0000201
AC XY:
13
AN XY:
646038
show subpopulations
African (AFR)
AF:
0.000375
AC:
10
AN:
26638
American (AMR)
AF:
0.0000801
AC:
2
AN:
24968
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
22996
East Asian (EAS)
AF:
0.0000295
AC:
1
AN:
33874
South Asian (SAS)
AF:
0.00
AC:
0
AN:
64736
European-Finnish (FIN)
AF:
0.0000195
AC:
1
AN:
51406
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5116
European-Non Finnish (NFE)
AF:
0.0000108
AC:
11
AN:
1015508
Other (OTH)
AF:
0.0000369
AC:
2
AN:
54184
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.405
Heterozygous variant carriers
0
2
3
5
6
8
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000191
AC:
29
AN:
151964
Hom.:
1
Cov.:
32
AF XY:
0.000189
AC XY:
14
AN XY:
74252
show subpopulations
African (AFR)
AF:
0.000506
AC:
21
AN:
41468
American (AMR)
AF:
0.000328
AC:
5
AN:
15264
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5158
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4818
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10530
Middle Eastern (MID)
AF:
0.00680
AC:
2
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67940
Other (OTH)
AF:
0.000473
AC:
1
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.514
Heterozygous variant carriers
0
2
3
5
6
8
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000141
Hom.:
0
Bravo
AF:
0.000193
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000249
AC:
2
ExAC
AF:
0.0000583
AC:
7

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:10
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Uncertain:3
-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Apr 25, 2025
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Reported in an individual with either syndromic or non-syndromic Leber congenital amaurosis who harbored two other variants in the CEP290 gene; phases unknown (PMID: 32865313); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 32865313, 35764379) -

-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

not specified Uncertain:1
Apr 14, 2015
Genetic Services Laboratory, University of Chicago
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Inborn genetic diseases Uncertain:1
May 11, 2022
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.2446C>T (p.R816C) alteration is located in exon 23 (coding exon 22) of the CEP290 gene. This alteration results from a C to T substitution at nucleotide position 2446, causing the arginine (R) at amino acid position 816 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

CEP290-related disorder Uncertain:1
Aug 12, 2024
PreventionGenetics, part of Exact Sciences
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

The CEP290 c.2446C>T variant is predicted to result in the amino acid substitution p.Arg816Cys. This variant has been reported as a variant of uncertain significance in an individual with retinal dystrophy (Sallum et al. 2020. PubMed ID: 32865313, Table S1). This variant is reported in 0.044% of alleles in individuals of African descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Meckel-Gruber syndrome;C0431399:Joubert syndrome;C0687120:Nephronophthisis Uncertain:1
Dec 02, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 816 of the CEP290 protein (p.Arg816Cys). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This missense change has been observed in individual(s) with clinical features of Leber congenital amaurosis (PMID: 32865313). ClinVar contains an entry for this variant (Variation ID: 210693). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt CEP290 protein function with a positive predictive value of 80%. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Leber congenital amaurosis Uncertain:1
Sep 16, 2020
Natera, Inc.
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Retinal dystrophy Uncertain:1
Mar 08, 2019
Blueprint Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Senior-Loken syndrome 6;C1857780:Joubert syndrome 5;C1857821:Leber congenital amaurosis 10;C1970161:Meckel syndrome, type 4;C2673874:Bardet-Biedl syndrome 14 Uncertain:1
Jun 12, 2024
Fulgent Genetics, Fulgent Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.21
BayesDel_addAF
Uncertain
0.086
D
BayesDel_noAF
Benign
-0.11
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.46
.;T;T
Eigen
Pathogenic
0.74
Eigen_PC
Pathogenic
0.72
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Uncertain
0.97
D;D;D
M_CAP
Benign
0.028
D
MetaRNN
Benign
0.19
T;T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Uncertain
2.3
.;M;.
PhyloP100
6.6
PrimateAI
Uncertain
0.73
T
PROVEAN
Uncertain
-2.9
D;D;.
REVEL
Benign
0.25
Sift
Uncertain
0.0080
D;D;.
Sift4G
Uncertain
0.033
D;D;D
Polyphen
1.0
.;D;.
Vest4
0.66
MVP
0.54
MPC
0.39
ClinPred
0.43
T
GERP RS
5.1
Varity_R
0.19
gMVP
0.33
Mutation Taster
=59/41
polymorphism

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

Other links and lift over

dbSNP: rs374656545; hg19: chr12-88502880; COSMIC: COSV58356568; COSMIC: COSV58356568; API