rs754162070

Variant summary

Our verdict is Pathogenic. Variant got 14 ACMG points: 14P and 0B. PM2PP3_StrongPP5_Very_Strong

The NM_016111.4(TELO2):​c.1826G>A​(p.Arg609His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000497 in 1,610,742 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

TELO2
NM_016111.4 missense

Scores

11
7
1

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:3

Conservation

PhyloP100: 7.98
Variant links:
Genes affected
TELO2 (HGNC:29099): (telomere maintenance 2) This gene encodes a protein that functions as an S-phase checkpoint protein in the cell cycle. The protein may also play a role in DNA repair.[provided by RefSeq, Mar 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 14 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.991
PP5
Variant 16-1502986-G-A is Pathogenic according to our data. Variant chr16-1502986-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 236229.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-1502986-G-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TELO2NM_016111.4 linkuse as main transcriptc.1826G>A p.Arg609His missense_variant 15/21 ENST00000262319.11 NP_057195.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TELO2ENST00000262319.11 linkuse as main transcriptc.1826G>A p.Arg609His missense_variant 15/211 NM_016111.4 ENSP00000262319 P1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152212
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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
AF:
0.00000411
AC:
6
AN:
1458530
Hom.:
0
Cov.:
33
AF XY:
0.00000413
AC XY:
3
AN XY:
725724
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.0000199
Gnomad4 NFE exome
AF:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152212
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74362
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

TELO2-related intellectual disability-neurodevelopmental disorder Pathogenic:2
Pathogenic, criteria provided, single submitterresearchBaylor-Hopkins Center for Mendelian Genomics, Johns Hopkins University School of Medicine-- -
Pathogenic, no assertion criteria providedliterature onlyOMIMSep 10, 2019- -
not provided Pathogenic:1
Likely pathogenic, criteria provided, single submitterclinical testingGeneDxJan 04, 2022Not observed at significant frequency in large population cohorts (gnomAD); 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: 31290144, 27132593, 33307281) -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.71
BayesDel_addAF
Pathogenic
0.35
D
BayesDel_noAF
Pathogenic
0.27
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.72
D
Eigen
Pathogenic
0.84
Eigen_PC
Pathogenic
0.78
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Uncertain
0.96
D
M_CAP
Uncertain
0.10
D
MetaRNN
Pathogenic
0.99
D
MetaSVM
Uncertain
0.0063
D
MutationAssessor
Pathogenic
3.7
H
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.65
T
PROVEAN
Pathogenic
-4.7
D
REVEL
Uncertain
0.55
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.97
MutPred
0.97
Loss of stability (P = 0.2182);
MVP
0.90
MPC
0.63
ClinPred
1.0
D
GERP RS
5.1
Varity_R
0.89
gMVP
0.85

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs754162070; hg19: chr16-1552987; COSMIC: COSV51976862; COSMIC: COSV51976862; API