Genetic Variant YY1AP1:p.Ala591Ala (chr1-155660137-G-A) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_139119.3(YY1AP1):c.1773C>T(p.Ala591Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000571 in 1,613,128 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00056 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00057 ( 0 hom. )

Consequence

YY1AP1
NM_139119.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:2

Conservation

PhyloP100: -0.172

Variant links:

Genes affected

YY1AP1 (HGNC:30935): (YY1 associated protein 1) Predicted to enable transcription coregulator activity. Involved in cell differentiation; cell population proliferation; and regulation of cell cycle. Located in fibrillar center and nucleoplasm. Colocalizes with Ino80 complex. [provided by Alliance of Genome Resources, Apr 2022]

YY1AP1 links:

ENSG00000246203 (HGNC:):

ENSG00000246203 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.51).

BP6

Variant 1-155660137-G-A is Benign according to our data. Variant chr1-155660137-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 709137.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-0.172 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
YY1AP1	NM_139119.3 link	c.1773C>T	p.Ala591Ala	synonymous_variant	Exon 11 of 11	ENST00000355499.9	NP_620830.1	Q9H869-2I6L9C2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
YY1AP1	ENST00000355499.9 link	c.1773C>T	p.Ala591Ala	synonymous_variant	Exon 11 of 11	1	NM_139119.3	ENSP00000347686.4		Q9H869-2

Frequencies

GnomAD3 genomes

AF:

0.000558

AC:

AN:

152208

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000193

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000621

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00104

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000119

AC:

AN:

251328

Hom.:

AF XY:

0.000118

AC XY:

AN XY:

135820

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000462

Gnomad NFE exome

AF:

0.000229

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000572

AC:

836

AN:

1460802

Hom.:

Cov.:

AF XY:

0.000528

AC XY:

384

AN XY:

726736

show subpopulations

Gnomad4 AFR exome

AF:

0.000179

Gnomad4 AMR exome

AF:

0.000157

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000504

Gnomad4 SAS exome

AF:

0.000139

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.000707

Gnomad4 OTH exome

AF:

0.000381

GnomAD4 genome

AF:

0.000558

AC:

AN:

152326

Hom.:

Cov.:

AF XY:

0.000456

AC XY:

AN XY:

74492

show subpopulations

Gnomad4 AFR

AF:

0.000192

Gnomad4 AMR

AF:

0.000196

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000621

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00104

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000424

Hom.:

Bravo

AF:

0.000533

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Dec 31, 2019

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

YY1AP1-related disorder

Benign:1

Apr 24, 2020

PreventionGenetics, part of Exact Sciences

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.51

CADD

Benign

DANN

Benign

0.86

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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.

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