dbSNP rs774448433: EHMT1:p.Ser61Arg (chr9-137716723-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_ModerateBP6_Moderate

The NM_024757.5(EHMT1):c.183C>G(p.Ser61Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,798 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. S61S) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

EHMT1
NM_024757.5 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.00

Publications

0 publications found

Variant links:

Genes affected

EHMT1 (HGNC:24650): (euchromatic histone lysine methyltransferase 1) The protein encoded by this gene is a histone methyltransferase that methylates the lysine-9 position of histone H3. This action marks the genomic region packaged with these methylated histones for transcriptional repression. This protein may be involved in the silencing of MYC- and E2F-responsive genes and therefore could play a role in the G0/G1 cell cycle transition. Defects in this gene are a cause of chromosome 9q subtelomeric deletion syndrome (9q-syndrome, also known as Kleefstra syndrome). Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2017]

EHMT1 Gene-Disease associations (from GenCC):

Kleefstra syndrome
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
Kleefstra syndrome 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)

EHMT1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.11317447).

BP6

Variant 9-137716723-C-G is Benign according to our data. Variant chr9-137716723-C-G is described in ClinVar as Likely_benign. ClinVar VariationId is 3708701.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EHMT1	NM_024757.5 link	c.183C>G	p.Ser61Arg	missense_variant	Exon 3 of 27	ENST00000460843.6	NP_079033.4	Q9H9B1-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EHMT1	ENST00000460843.6 link	c.183C>G	p.Ser61Arg	missense_variant	Exon 3 of 27	5	NM_024757.5	ENSP00000417980.1		Q9H9B1-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459798

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726002

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33452

American (AMR)

AF:

0.00

AC:

AN:

44662

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26080

East Asian (EAS)

AF:

0.00

AC:

AN:

39682

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52570

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111038

Other (OTH)

AF:

0.00

AC:

AN:

60302

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Kleefstra syndrome 1

Benign:1

Sep 23, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.46

CADD

Benign

0.71

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.13

T;.;T;T;T;T;T;.;.;T

Eigen

Benign

-0.91

Eigen_PC

Benign

-1.1

FATHMM_MKL

Benign

0.27

LIST_S2

Uncertain

0.88

D;D;D;D;D;D;D;D;D;D

M_CAP

Uncertain

0.21

MetaRNN

Benign

0.11

T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.57

MutationAssessor

Benign

1.0

L;L;.;.;.;.;.;.;.;.

PhyloP100

-1.0

PrimateAI

Benign

0.32

PROVEAN

Benign

-0.90

N;N;.;.;.;.;.;.;.;.

REVEL

Benign

0.10

Sift

Uncertain

0.0050

D;D;.;.;.;.;.;.;.;.

Sift4G

Benign

0.20

T;T;T;D;.;.;T;D;.;D

Polyphen

0.59

P;P;.;.;.;.;.;.;.;.

Vest4

0.36

MutPred

0.13

Loss of phosphorylation at S61 (P = 0.0319);Loss of phosphorylation at S61 (P = 0.0319);.;.;Loss of phosphorylation at S61 (P = 0.0319);.;.;.;.;.;

MVP

0.26

MPC

0.11

ClinPred

0.21

GERP RS

-4.9

Varity_R

0.094

gMVP

0.16

Mutation Taster

=93/7

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over