Genetic Variant EHMT2:p.Ser1204Phe (chr6-31880106-G-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM1BP4_ModerateBS2

The NM_006709.5(EHMT2):c.3611C>T(p.Ser1204Phe) variant causes a missense change. The variant allele was found at a frequency of 0.00000434 in 1,612,650 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

EHMT2
NM_006709.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.32

Variant links:

Genes affected

EHMT2 (HGNC:14129): (euchromatic histone lysine methyltransferase 2) This gene encodes a methyltransferase that methylates lysine residues of histone H3. Methylation of H3 at lysine 9 by this protein results in recruitment of additional epigenetic regulators and repression of transcription. This gene was initially thought to be two different genes, NG36 and G9a, adjacent to each other in the HLA locus. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2016]

EHMT2 links:

EHMT2-AS1 (HGNC:39751): (EHMT2 and SLC44A4 antisense RNA 1)

EHMT2-AS1 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM1

In a modified_residue Phosphoserine (size 0) in uniprot entity EHMT2_HUMAN

BP4

Computational evidence support a benign effect (MetaRNN=0.23886615).

BS2

High AC in GnomAdExome4 at 6 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EHMT2	NM_006709.5 link	c.3611C>T	p.Ser1204Phe	missense_variant	Exon 28 of 28	ENST00000375537.9	NP_006700.3	Q96KQ7-1A0A024RCN9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EHMT2	ENST00000375537.9 link	c.3611C>T	p.Ser1204Phe	missense_variant	Exon 28 of 28	1	NM_006709.5	ENSP00000364687.4		Q96KQ7-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152230

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000411

AC:

AN:

1460420

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

726510

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000540

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152230

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74368

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Sep 03, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.3611C>T (p.S1204F) alteration is located in exon 28 (coding exon 28) of the EHMT2 gene. This alteration results from a C to T substitution at nucleotide position 3611, causing the serine (S) at amino acid position 1204 to be replaced by a phenylalanine (F). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.094

BayesDel_addAF

Uncertain

0.015

BayesDel_noAF

Benign

-0.22

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.32

.;.;.;T

Eigen

Benign

-0.21

Eigen_PC

Benign

-0.11

FATHMM_MKL

Uncertain

0.92

M_CAP

Uncertain

0.11

MetaRNN

Benign

0.24

T;T;T;T

MetaSVM

Benign

-0.87

MutationAssessor

Uncertain

2.3

.;.;.;M

PrimateAI

Uncertain

0.49

PROVEAN

Uncertain

-2.8

D;D;D;D

REVEL

Benign

0.21

Sift

Pathogenic

0.0

D;D;D;D

Sift4G

Uncertain

0.0040

D;D;D;D

Polyphen

0.0, 0.0040

.;B;B;B

Vest4

0.26

MutPred

0.23

.;Loss of glycosylation at S1227 (P = 0.0171);.;.;

MVP

0.82

MPC

1.0

ClinPred

0.91

GERP RS

4.1

Varity_R

0.045

gMVP

0.75

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