Genetic Variant WRAP53:p.Ser243Ser (chr17-7700827-C-T) – ACMG Classification: Likely_benign (-1 pts)

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2BP4_ModerateBP7

The NM_001143992.2(WRAP53):c.729C>T(p.Ser243Ser) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,042 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. S243S) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 30)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

WRAP53
NM_001143992.2 splice_region, synonymous

Scores

Splicing: ADA: 0.04254

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.26

Publications

0 publications found

Variant links:

Genes affected

WRAP53 (HGNC:25522): (WD repeat containing antisense to TP53) This gene encodes an essential component of the telomerase holoenzyme complex, a ribonucleoprotein complex required for telomere synthesis. This protein is enriched in Cajal bodies, nuclear sites of RNP processing that are important for telomerase function. It interacts with dyskerin, TERT and TERC, other components of active telomerase, and with small Cajal body RNAs (scaRNAs), which are involved in modifying splicing RNAs. This mRNA also functions as a p53 antisense transcript, that regulates endogenous p53 mRNA levels and further induction of p53 protein by targeting the 5' untranslated region of p53 mRNA. Alternatively spliced transcript variants which differ only in the 5' UTR have been found for this gene. [provided by RefSeq, Mar 2011]

WRAP53 Gene-Disease associations (from GenCC):

dyskeratosis congenita, autosomal recessive 3
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
dyskeratosis congenita
Inheritance: AR, AD Classification: MODERATE, SUPPORTIVE Submitted by: ClinGen, Orphanet

WRAP53 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.34).

BP7

Synonymous conserved (PhyloP=1.26 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
WRAP53	NM_001143992.2 link	c.729C>T	p.Ser243Ser	splice_region_variant, synonymous_variant	Exon 5 of 11	ENST00000396463.7	NP_001137464.1	Q9BUR4
WRAP53	NM_001143990.2 link	c.729C>T	p.Ser243Ser	splice_region_variant, synonymous_variant	Exon 5 of 11		NP_001137462.1	Q9BUR4
WRAP53	NM_001143991.2 link	c.729C>T	p.Ser243Ser	splice_region_variant, synonymous_variant	Exon 5 of 11		NP_001137463.1	Q9BUR4
WRAP53	NM_018081.2 link	c.729C>T	p.Ser243Ser	splice_region_variant, synonymous_variant	Exon 4 of 10		NP_060551.2	Q9BUR4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
WRAP53	ENST00000396463.7 link	c.729C>T	p.Ser243Ser	splice_region_variant, synonymous_variant	Exon 5 of 11	1	NM_001143992.2	ENSP00000379727.3		Q9BUR4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251478

AF XY:

0.00000736

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000879

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.86e-7

AC:

AN:

1458042

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725620

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33400

American (AMR)

AF:

0.00

AC:

AN:

44694

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26088

East Asian (EAS)

AF:

0.00

AC:

AN:

39646

South Asian (SAS)

AF:

0.00

AC:

AN:

86184

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53314

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

9.02e-7

AC:

AN:

1108694

Other (OTH)

AF:

0.00

AC:

AN:

60264

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.:

Alfa

AF:

0.0000312

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.34

CADD

Benign

(source)

DANN

Benign

0.87

PhyloP100

1.3

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.043

dbscSNV1_RF

Benign

0.34

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over