Genetic Variant U2AF2:p.Tyr152Tyr (chr19-55661159-C-T) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_007279.3(U2AF2):c.456C>T(p.Tyr152Tyr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00383 in 1,610,678 control chromosomes in the GnomAD database, including 216 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.019 ( 102 hom., cov: 31)

Exomes 𝑓: 0.0022 ( 114 hom. )

Consequence

U2AF2
NM_007279.3 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.0550

Variant links:

Genes affected

U2AF2 (HGNC:23156): (U2 small nuclear RNA auxiliary factor 2) U2 auxiliary factor (U2AF), comprised of a large and a small subunit, is a non-snRNP protein required for the binding of U2 snRNP to the pre-mRNA branch site. This gene encodes the U2AF large subunit which contains a sequence-specific RNA-binding region with 3 RNA recognition motifs and an Arg/Ser-rich domain necessary for splicing. The large subunit binds to the polypyrimidine tract of introns early during spliceosome assembly. Multiple transcript variants have been detected for this gene, but the full-length natures of only two have been determined to date. [provided by RefSeq, Jul 2008]

U2AF2 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.56).

BP6

Variant 19-55661159-C-T is Benign according to our data. Variant chr19-55661159-C-T is described in ClinVar as [Benign]. Clinvar id is 789674.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-0.055 with no splicing effect.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0658 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
U2AF2	NM_007279.3 link	c.456C>T	p.Tyr152Tyr	synonymous_variant	Exon 5 of 12	ENST00000308924.9	NP_009210.1	P26368-1
U2AF2	NM_001012478.2 link	c.456C>T	p.Tyr152Tyr	synonymous_variant	Exon 5 of 12		NP_001012496.1	P26368-2
U2AF2	XM_011526410.2 link	c.144C>T	p.Tyr48Tyr	synonymous_variant	Exon 6 of 13		XP_011524712.1
U2AF2	XM_047438120.1 link	c.-97C>T		upstream_gene_variant			XP_047294076.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
U2AF2	ENST00000308924.9 link	c.456C>T	p.Tyr152Tyr	synonymous_variant	Exon 5 of 12	1	NM_007279.3	ENSP00000307863.3		P26368-1

Frequencies

GnomAD3 genomes

AF:

0.0193

AC:

2928

AN:

152004

Hom.:

101

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0677

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00557

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000829

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00949

Gnomad NFE

AF:

0.000206

Gnomad OTH

AF:

0.0115

GnomAD3 exomes

AF:

0.00520

AC:

1295

AN:

248930

Hom.:

AF XY:

0.00357

AC XY:

480

AN XY:

134592

show subpopulations

Gnomad AFR exome

AF:

0.0681

Gnomad AMR exome

AF:

0.00382

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000361

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000275

Gnomad OTH exome

AF:

0.00382

GnomAD4 exome

AF:

0.00221

AC:

3223

AN:

1458556

Hom.:

114

Cov.:

AF XY:

0.00190

AC XY:

1381

AN XY:

725332

show subpopulations

Gnomad4 AFR exome

AF:

0.0723

Gnomad4 AMR exome

AF:

0.00440

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000101

Gnomad4 SAS exome

AF:

0.000477

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000167

Gnomad4 OTH exome

AF:

0.00548

GnomAD4 genome

AF:

0.0193

AC:

2941

AN:

152122

Hom.:

102

Cov.:

AF XY:

0.0183

AC XY:

1358

AN XY:

74368

show subpopulations

Gnomad4 AFR

AF:

0.0678

Gnomad4 AMR

AF:

0.00543

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.000829

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000206

Gnomad4 OTH

AF:

0.0114

Alfa

AF:

0.0101

Hom.:

Bravo

AF:

0.0220

Asia WGS

AF:

0.00722

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Jul 13, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.56

CADD

Benign

9.1

DANN

Benign

0.75

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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

LitVar

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

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over