Genetic Variant TNFRSF6B:p.Leu21Val (chr20-63696828-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_003823.4(TNFRSF6B):c.61C>G(p.Leu21Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000048 in 1,458,018 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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. L21P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

TNFRSF6B
NM_003823.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.326

Publications

0 publications found

Variant links:

Genes affected

TNFRSF6B (HGNC:11921): (TNF receptor superfamily member 6b) This gene belongs to the tumor necrosis factor receptor superfamily. The encoded protein is postulated to play a regulatory role in suppressing FasL- and LIGHT-mediated cell death. It acts as a decoy receptor that competes with death receptors for ligand binding. Over-expression of this gene has been noted in gastrointestinal tract tumors. Read-through transcription into this gene from the neighboring upstream gene, which encodes regulator of telomere elongation helicase 1 (RTEL1), generates a non-coding transcript. [provided by RefSeq, Feb 2011]

TNFRSF6B 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=0.23638421).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TNFRSF6B	NM_003823.4 link	c.61C>G	p.Leu21Val	missense_variant	Exon 1 of 3	ENST00000369996.3	NP_003814.1	O95407
RTEL1-TNFRSF6B	NR_037882.1 link	n.4795C>G		non_coding_transcript_exon_variant	Exon 36 of 38

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TNFRSF6B	ENST00000369996.3 link	c.61C>G	p.Leu21Val	missense_variant	Exon 1 of 3	1	NM_003823.4	ENSP00000359013.1	O95407
RTEL1-TNFRSF6B	ENST00000492259.6 link	n.*1400C>G		non_coding_transcript_exon_variant	Exon 33 of 35	5		ENSP00000457428.1	D6RA96
RTEL1-TNFRSF6B	ENST00000492259.6 link	n.*1400C>G		3_prime_UTR_variant	Exon 33 of 35	5		ENSP00000457428.1	D6RA96

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000480

AC:

AN:

1458018

Hom.:

Cov.:

AF XY:

0.00000552

AC XY:

AN XY:

725136

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33440

American (AMR)

AF:

0.00

AC:

AN:

44510

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26014

East Asian (EAS)

AF:

0.00

AC:

AN:

39626

South Asian (SAS)

AF:

0.00

AC:

AN:

85828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51702

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.00000630

AC:

AN:

1110982

Other (OTH)

AF:

0.00

AC:

AN:

60162

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.468

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

0.069

BayesDel_addAF

Benign

-0.14

BayesDel_noAF

Benign

-0.44

CADD

Benign

9.6

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.11

Eigen

Benign

-0.48

Eigen_PC

Benign

-0.66

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.41

M_CAP

Uncertain

0.27

MetaRNN

Benign

0.24

MetaSVM

Benign

-0.49

MutationAssessor

Benign

1.4

PhyloP100

0.33

PrimateAI

Uncertain

0.61

PROVEAN

Benign

-0.62

REVEL

Benign

0.20

Sift

Benign

0.59

Sift4G

Benign

0.16

Polyphen

0.98

Vest4

0.32

MutPred

0.45

Loss of helix (P = 0.079);

MVP

0.31

MPC

0.014

ClinPred

0.25

GERP RS

2.1

PromoterAI

-0.023

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.042

gMVP

0.39

Mutation Taster

=88/12

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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20-63696828-C-G

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