Genetic Variant CEP290:p.Thr1966Pro (chr12-88071409-T-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_025114.4(CEP290):c.5896A>C(p.Thr1966Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,458,814 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. 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. T1966A) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

CEP290
NM_025114.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.40

Publications

0 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:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.13816658).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CEP290	NM_025114.4 link	c.5896A>C	p.Thr1966Pro	missense_variant	Exon 43 of 54	ENST00000552810.6	NP_079390.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CEP290	ENST00000552810.6 link	c.5896A>C	p.Thr1966Pro	missense_variant	Exon 43 of 54	1	NM_025114.4	ENSP00000448012.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1458814

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

725504

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33326

American (AMR)

AF:

0.00

AC:

AN:

44300

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26094

East Asian (EAS)

AF:

0.00

AC:

AN:

39604

South Asian (SAS)

AF:

0.00

AC:

AN:

85450

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53222

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1110790

Other (OTH)

AF:

0.00

AC:

AN:

60272

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.16

BayesDel_addAF

Benign

-0.014

BayesDel_noAF

Benign

-0.26

CADD

Benign

(source)

DANN

Uncertain

0.97

DEOGEN2

Benign

0.0

.;.;T

Eigen

Benign

-0.23

Eigen_PC

Benign

-0.13

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.78

T;T;T

M_CAP

Benign

0.023

MetaRNN

Benign

0.14

T;T;T

MetaSVM

Benign

-0.96

MutationAssessor

Benign

0.0

.;.;L

PhyloP100

1.4

PrimateAI

Uncertain

0.48

PROVEAN

Benign

-0.62

N;N;N

REVEL

Benign

0.099

Sift

Benign

0.29

T;T;T

Sift4G

Benign

0.14

T;T;T

Vest4

0.22

ClinPred

0.34

GERP RS

2.8

Varity_R

0.11

gMVP

0.36

Mutation Taster

=76/24

polymorphism

(source)

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

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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