7-148811726-G-A

Position:

chr7-148811726-G-A

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_004456.5(EZH2):c.1852-6C>T variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00288 in 1,609,406 control chromosomes in the GnomAD database, including 9 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0020 ( 3 hom., cov: 33)

Exomes 𝑓: 0.0030 ( 6 hom. )

Consequence

EZH2
NM_004456.5 splice_region, splice_polypyrimidine_tract, intron

Scores

Splicing: ADA: 0.00007363

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:8

Conservation

PhyloP100: 1.10

Variant links:

Genes affected

EZH2 (HGNC:3527): (enhancer of zeste 2 polycomb repressive complex 2 subunit) This gene encodes a member of the Polycomb-group (PcG) family. PcG family members form multimeric protein complexes, which are involved in maintaining the transcriptional repressive state of genes over successive cell generations. This protein associates with the embryonic ectoderm development protein, the VAV1 oncoprotein, and the X-linked nuclear protein. This protein may play a role in the hematopoietic and central nervous systems. Multiple alternatively splcied transcript variants encoding distinct isoforms have been identified for this gene. [provided by RefSeq, Feb 2011]

EZH2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.64).

BP6

Variant 7-148811726-G-A is Benign according to our data. Variant chr7-148811726-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 158578.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr7-148811726-G-A is described in Lovd as [Likely_benign].

BS1

Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00198 (301/152228) while in subpopulation NFE AF= 0.00335 (228/68012). AF 95% confidence interval is 0.003. There are 3 homozygotes in gnomad4. There are 128 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

BS2

High AC in GnomAd4 at 301 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
EZH2	NM_004456.5 linkuse as main transcript	c.1852-6C>T		splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant		ENST00000320356.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
EZH2	ENST00000320356.7 linkuse as main transcript	c.1852-6C>T		splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant		1	NM_004456.5	P4	Q15910-2

Frequencies

GnomAD3 genomes

AF:

0.00198

AC:

301

AN:

152110

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000700

Gnomad AMI

AF:

0.0219

Gnomad AMR

AF:

0.000851

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.000755

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00335

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.00192

AC:

474

AN:

247292

Hom.:

AF XY:

0.00206

AC XY:

276

AN XY:

134204

show subpopulations

Gnomad AFR exome

AF:

0.000373

Gnomad AMR exome

AF:

0.0000580

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000459

Gnomad FIN exome

AF:

0.00203

Gnomad NFE exome

AF:

0.00360

Gnomad OTH exome

AF:

0.00115

GnomAD4 exome

AF:

0.00298

AC:

4338

AN:

1457178

Hom.:

Cov.:

AF XY:

0.00292

AC XY:

2117

AN XY:

725196

show subpopulations

Gnomad4 AFR exome

AF:

0.000568

Gnomad4 AMR exome

AF:

0.0000671

Gnomad4 ASJ exome

AF:

0.000115

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000476

Gnomad4 FIN exome

AF:

0.00182

Gnomad4 NFE exome

AF:

0.00368

Gnomad4 OTH exome

AF:

0.00154

GnomAD4 genome

AF:

0.00198

AC:

301

AN:

152228

Hom.:

Cov.:

AF XY:

0.00172

AC XY:

128

AN XY:

74436

show subpopulations

Gnomad4 AFR

AF:

0.000698

Gnomad4 AMR

AF:

0.000850

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000415

Gnomad4 FIN

AF:

0.000755

Gnomad4 NFE

AF:

0.00335

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.00281

Hom.:

Bravo

AF:

0.00173

EpiCase

AF:

0.00262

EpiControl

AF:

0.00279

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:8

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:4

Benign, criteria provided, single submitter	clinical testing	GeneDx	Oct 30, 2020	This variant is associated with the following publications: (PMID: 26917488) -
Likely benign, no assertion criteria provided	clinical testing	Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center	-	- -
Likely benign, no assertion criteria provided	clinical testing	Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)	-	- -
Likely benign, criteria provided, single submitter	clinical testing	CeGaT Center for Human Genetics Tuebingen	Jul 01, 2024	EZH2: BP4, BS2 -

not specified

Benign:3

Likely benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -
Likely benign, criteria provided, single submitter	clinical testing	Genetic Services Laboratory, University of Chicago	Jul 02, 2015	- -
Likely benign, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Sep 06, 2018	- -

Weaver syndrome

Benign:1

Benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 31, 2024

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.64

CADD

Benign

5.3

DANN

Benign

0.74

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000074

dbscSNV1_RF

Benign

0.0060

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