Genetic Variant EHMT1:p.Ala6Ser (chr9-137619044-G-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_024757.5(EHMT1):c.16G>T(p.Ala6Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000246 in 811,874 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A6P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000025 ( 0 hom. )

Consequence

EHMT1
NM_024757.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.937

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 links:

ENSG00000283411 (HGNC:):

ENSG00000283411 links:

ARRDC1-AS1 (HGNC:23395): (ARRDC1 antisense RNA 1) This transcribed locus is thought to be non-coding. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jun 2014]

ARRDC1-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.13789156).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EHMT1	NM_024757.5 link	c.16G>T	p.Ala6Ser	missense_variant	Exon 1 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.16G>T	p.Ala6Ser	missense_variant	Exon 1 of 27	5	NM_024757.5	ENSP00000417980.1		Q9H9B1-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000246

AC:

AN:

811874

Hom.:

Cov.:

AF XY:

0.00000533

AC XY:

AN XY:

375366

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

15406

American (AMR)

AF:

0.00

AC:

AN:

1030

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

5080

East Asian (EAS)

AF:

0.00

AC:

AN:

3578

South Asian (SAS)

AF:

0.00

AC:

AN:

16794

European-Finnish (FIN)

AF:

0.00

AC:

AN:

436

Middle Eastern (MID)

AF:

0.00

AC:

AN:

1596

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

741366

Other (OTH)

AF:

0.00

AC:

AN:

26588

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.17

BayesDel_noAF

Benign

-0.48

CADD

Benign

(source)

DANN

Benign

0.92

DEOGEN2

Benign

0.043

T;.;T

Eigen

Benign

-0.71

Eigen_PC

Benign

-0.68

FATHMM_MKL

Benign

0.17

LIST_S2

Benign

0.31

T;T;T

M_CAP

Pathogenic

0.91

MetaRNN

Benign

0.14

T;T;T

MetaSVM

Benign

-0.98

MutationAssessor

Benign

-0.20

N;N;.

PhyloP100

0.94

PrimateAI

Uncertain

0.59

PROVEAN

Benign

-0.12

N;N;.

REVEL

Benign

0.083

Sift

Benign

0.085

T;T;.

Sift4G

Benign

0.23

T;T;.

Polyphen

0.0010

B;B;.

Vest4

0.073

MutPred

0.12

Gain of relative solvent accessibility (P = 0.0082);Gain of relative solvent accessibility (P = 0.0082);Gain of relative solvent accessibility (P = 0.0082);

MVP

0.49

MPC

0.043

ClinPred

0.094

GERP RS

0.31

PromoterAI

0.023

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.048

gMVP

0.044

Mutation Taster

=92/8

polymorphism

(source)

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

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9-137619044-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over