9-137744082-G-C

Variant names:

Variant summary

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

The NM_024757.5(EHMT1):c.1162G>C(p.Ala388Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,714 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. 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. A388T) has been classified as Benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

EHMT1
NM_024757.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0970

Publications

9 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: 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=0.10213393).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024757.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
EHMT1	NM_024757.5	MANE Select	c.1162G>C	p.Ala388Pro	missense	Exon 6 of 27	NP_079033.4
EHMT1	NM_001354263.2		c.1141G>C	p.Ala381Pro	missense	Exon 6 of 27	NP_001341192.1
EHMT1	NM_001354259.2		c.1069G>C	p.Ala357Pro	missense	Exon 5 of 16	NP_001341188.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
EHMT1	ENST00000460843.6	TSL:5 MANE Select	c.1162G>C	p.Ala388Pro	missense	Exon 6 of 27	ENSP00000417980.1
EHMT1	ENST00000462484.5	TSL:1	c.1162G>C	p.Ala388Pro	missense	Exon 6 of 16	ENSP00000417328.1
EHMT1	ENST00000637161.1	TSL:5	c.1069G>C	p.Ala357Pro	missense	Exon 6 of 27	ENSP00000490328.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000800

AC:

AN:

249848

AF XY:

0.0000148

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000178

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1461714

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727164

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53250

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1112010

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.442

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.075

BayesDel_addAF

Benign

-0.051

BayesDel_noAF

Benign

-0.31

CADD

Benign

4.7

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.087

Eigen

Benign

-0.88

Eigen_PC

Benign

-1.0

FATHMM_MKL

Benign

0.21

LIST_S2

Benign

0.67

M_CAP

Benign

0.039

MetaRNN

Benign

0.10

MetaSVM

Benign

-0.69

MutationAssessor

Benign

1.6

PhyloP100

0.097

PrimateAI

Benign

0.32

PROVEAN

Benign

-1.0

REVEL

Benign

0.10

Sift

Uncertain

0.0060

Sift4G

Benign

0.21

Polyphen

0.59

Vest4

0.12

MutPred

0.17

Gain of loop (P = 0.0013)

MVP

0.50

MPC

0.14

ClinPred

0.089

GERP RS

-0.31

Varity_R

0.32

gMVP

0.11

Mutation Taster

=90/10

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over