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rs184722423

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 1P and 2B. PP3BP6_Moderate

The NM_024757.5(EHMT1):c.2382+5G>A variant causes a splice donor 5th base, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000374 in 1,603,384 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

EHMT1
NM_024757.5 splice_donor_5th_base, intron

Scores

2
Splicing: ADA: 0.9985
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.51
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

PP3
Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. Scorers claiming Uncertain: max_spliceai. No scorers claiming Benign.
BP6
Variant 9-137782402-G-A is Benign according to our data. Variant chr9-137782402-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 577971.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
EHMT1NM_024757.5 linkuse as main transcriptc.2382+5G>A splice_donor_5th_base_variant, intron_variant ENST00000460843.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
EHMT1ENST00000460843.6 linkuse as main transcriptc.2382+5G>A splice_donor_5th_base_variant, intron_variant 5 NM_024757.5 Q9H9B1-1
ENST00000626603.1 linkuse as main transcriptn.1061-5014C>T intron_variant, non_coding_transcript_variant 2

Frequencies

GnomAD3 genomes
AF:
0.00000659
AC:
1
AN:
151678
Hom.:
0
Cov.:
33
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
GnomAD3 exomes
AF:
0.0000128
AC:
3
AN:
235092
Hom.:
0
AF XY:
0.00000782
AC XY:
1
AN XY:
127952
show subpopulations
Gnomad AFR exome
AF:
0.0000660
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000337
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000929
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000344
AC:
5
AN:
1451588
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
722136
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
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:
0.00000270
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000659
AC:
1
AN:
151796
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74194
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
Alfa
AF:
0.0000552
Hom.:
0
Bravo
AF:
0.00000756

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Kleefstra syndrome 1 Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeFeb 13, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.72
Cadd
Benign
19
Dann
Benign
0.86
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.88
SpliceAI score (max)
0.42
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.42
Position offset: -5

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.

Other links and lift over

dbSNP: rs184722423; hg19: chr9-140676854; API