Genetic Variant CEP290:p.Arg1782Gly (chr12-88079112-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_025114.4(CEP290):c.5344C>G(p.Arg1782Gly) variant causes a missense change. The variant allele was found at a frequency of 0.00000659 in 151,826 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1782Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

CEP290
NM_025114.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.00

Publications

8 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

CEP290 links:

LOC124902977 (HGNC:):

LOC124902977 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CEP290	NM_025114.4 link	c.5344C>G	p.Arg1782Gly	missense_variant	Exon 39 of 54	ENST00000552810.6	NP_079390.3	O15078Q05BJ6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CEP290	ENST00000552810.6 link	c.5344C>G	p.Arg1782Gly	missense_variant	Exon 39 of 54	1	NM_025114.4	ENSP00000448012.1		O15078

Frequencies

GnomAD3 genomes

AF:

0.00000659

AC:

AN:

151826

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000659

AC:

AN:

151826

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74128

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41314

American (AMR)

AF:

0.00

AC:

AN:

15224

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5174

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10522

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

67996

Other (OTH)

AF:

0.00

AC:

AN:

2082

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.20

BayesDel_addAF

Uncertain

0.028

BayesDel_noAF

Benign

-0.20

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.61

.;.;D

Eigen

Uncertain

0.26

Eigen_PC

Uncertain

0.24

FATHMM_MKL

Uncertain

0.91

LIST_S2

Uncertain

0.92

D;D;D

M_CAP

Benign

0.044

MetaRNN

Uncertain

0.49

T;T;T

MetaSVM

Benign

-0.59

MutationAssessor

Uncertain

2.0

.;.;M

PhyloP100

5.0

PrimateAI

Benign

0.34

PROVEAN

Uncertain

-3.1

D;D;D

REVEL

Benign

0.24

Sift

Uncertain

0.0080

D;D;D

Sift4G

Uncertain

0.011

D;D;D

Polyphen

0.98

.;.;D

Vest4

0.51

MutPred

0.38

.;.;Loss of MoRF binding (P = 0.0185);

MVP

0.82

MPC

0.14

ClinPred

0.97

GERP RS

3.1

Varity_R

0.23

gMVP

0.27

Mutation Taster

=81/19

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over