dbSNP rs1214491069: RTEL1:p.Asp12Glu (chr20-63659438-C-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_001283009.2(RTEL1):c.36C>G(p.Asp12Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,828 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. Synonymous variant affecting the same amino acid position (i.e. D12D) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

RTEL1
NM_001283009.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.803

Publications

0 publications found

Variant links:

Genes affected

RTEL1 (HGNC:15888): (regulator of telomere elongation helicase 1) This gene encodes a DNA helicase which functions in the stability, protection and elongation of telomeres and interacts with proteins in the shelterin complex known to protect telomeres during DNA replication. Mutations in this gene have been associated with dyskeratosis congenita and Hoyerall-Hreidarsson syndrome. Read-through transcription of this gene into the neighboring downstream gene, which encodes tumor necrosis factor receptor superfamily, member 6b, generates a non-coding transcript. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Sep 2013]

RTEL1 links:

RTEL1-TNFRSF6B (HGNC:44095): (RTEL1-TNFRSF6B readthrough (NMD candidate)) This locus represents naturally occurring read-through transcription between the neighboring RTEL1 (regulator of telomere elongation helicase 1) and TNFRSF6B (tumor necrosis factor receptor superfamily, member 6b, decoy) genes on chromosome 20. The read-through transcript is a candidate for nonsense-mediated mRNA decay (NMD), and is unlikely to produce a protein product. [provided by RefSeq, Feb 2011]

RTEL1-TNFRSF6B links:

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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=0.24196878).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RTEL1	NM_001283009.2 link	c.36C>G	p.Asp12Glu	missense_variant	Exon 2 of 35	ENST00000360203.11	NP_001269938.1	Q9NZ71-6R4IXY3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
RTEL1	ENST00000360203.11 link	c.36C>G	p.Asp12Glu	missense_variant	Exon 2 of 35	5	NM_001283009.2	ENSP00000353332.5	Q9NZ71-6
RTEL1	ENST00000508582.7 link	c.36C>G	p.Asp12Glu	missense_variant	Exon 2 of 35	2		ENSP00000424307.2	Q9NZ71-7
RTEL1	ENST00000370018.7 link	c.36C>G	p.Asp12Glu	missense_variant	Exon 2 of 35	1		ENSP00000359035.3	Q9NZ71-1
RTEL1-TNFRSF6B	ENST00000492259.6 link	n.36C>G		non_coding_transcript_exon_variant	Exon 1 of 35	5		ENSP00000457428.1	D6RA96

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461828

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727216

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111954

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Benign

-0.040

BayesDel_noAF

Benign

-0.30

CADD

Benign

3.6

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.17

T;.;.;.;.

Eigen

Benign

-1.2

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.21

LIST_S2

Benign

0.82

T;T;T;T;D

M_CAP

Uncertain

0.18

MetaRNN

Benign

0.24

T;T;T;T;T

MetaSVM

Benign

-0.64

MutationAssessor

Benign

0.67

N;N;N;.;.

PhyloP100

-0.80

PrimateAI

Benign

0.42

PROVEAN

Benign

-1.7

N;N;N;N;.

REVEL

Benign

0.097

Sift

Benign

0.13

T;T;T;T;.

Sift4G

Benign

0.29

T;T;T;T;.

Polyphen

0.12

B;P;B;.;.

Vest4

0.33

MutPred

0.47

Loss of loop (P = 0.2237);Loss of loop (P = 0.2237);Loss of loop (P = 0.2237);Loss of loop (P = 0.2237);Loss of loop (P = 0.2237);

MVP

0.76

ClinPred

0.81

GERP RS

-5.3

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.091

gMVP

0.54

Mutation Taster

=70/30

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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rs1214491069

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