Genetic Variant SETD2:p.Asp1788Asp (chr3-47086228-G-A) – ACMG Classification: Benign (-15 pts)

Variant summary

Our verdict is Benign. The variant received -15 ACMG points: 0P and 15B. BP4_StrongBP6_ModerateBP7BS1BS2

The NM_014159.7(SETD2):c.5364C>T(p.Asp1788Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000998 in 1,612,998 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00010 ( 0 hom. )

Consequence

SETD2
NM_014159.7 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:2

Conservation

PhyloP100: 0.529

Publications

1 publications found

Variant links:

Genes affected

SETD2 (HGNC:18420): (SET domain containing 2, histone lysine methyltransferase) Huntington's disease (HD), a neurodegenerative disorder characterized by loss of striatal neurons, is caused by an expansion of a polyglutamine tract in the HD protein huntingtin. This gene encodes a protein belonging to a class of huntingtin interacting proteins characterized by WW motifs. This protein is a histone methyltransferase that is specific for lysine-36 of histone H3, and methylation of this residue is associated with active chromatin. This protein also contains a novel transcriptional activation domain and has been found associated with hyperphosphorylated RNA polymerase II. [provided by RefSeq, Aug 2008]

SETD2 Gene-Disease associations (from GenCC):

Luscan-Lumish syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics
SETD2-related neurodevelopmental disorder without or with macrocephaly/overgrowth
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
Rabin-Pappas syndrome
Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
SETD2-related microcephaly-severe intellectual disability-multiple congenital anomalies syndrome
Inheritance: AD Classification: STRONG Submitted by: ClinGen
Sotos syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
intellectual developmental disorder, autosomal dominant 70
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

SETD2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -15 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.55).

BP6

Variant 3-47086228-G-A is Benign according to our data. Variant chr3-47086228-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 542242.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=0.529 with no splicing effect.

BS1

Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.0000657 (10/152214) while in subpopulation SAS AF = 0.000207 (1/4822). AF 95% confidence interval is 0.0000477. There are 0 homozygotes in GnomAd4. There are 6 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 10 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014159.7. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
SETD2	NM_014159.7	MANE Select	c.5364C>T	p.Asp1788Asp	synonymous	Exon 11 of 21	NP_054878.5
SETD2	NM_001349370.3		c.5232C>T	p.Asp1744Asp	synonymous	Exon 10 of 20	NP_001336299.1
SETD2	NR_146158.3		n.5553C>T		non_coding_transcript_exon	Exon 11 of 22

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
SETD2	ENST00000409792.4	TSL:5 MANE Select	c.5364C>T	p.Asp1788Asp	synonymous	Exon 11 of 21	ENSP00000386759.3
SETD2	ENST00000330022.11	TSL:1	n.*1087C>T		non_coding_transcript_exon	Exon 9 of 19	ENSP00000332415.7
SETD2	ENST00000330022.11	TSL:1	n.*1087C>T		3_prime_UTR	Exon 9 of 19	ENSP00000332415.7

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152096

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000656

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000103

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000676

AC:

AN:

251344

AF XY:

0.0000736

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.0000868

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000792

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000103

AC:

151

AN:

1460784

Hom.:

Cov.:

AF XY:

0.0000894

AC XY:

AN XY:

726732

show subpopulations

African (AFR)

AF:

0.0000598

AC:

AN:

33432

American (AMR)

AF:

0.0000671

AC:

AN:

44692

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26084

East Asian (EAS)

AF:

0.0000504

AC:

AN:

39652

South Asian (SAS)

AF:

0.000197

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53318

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.000111

AC:

123

AN:

1111276

Other (OTH)

AF:

0.0000663

AC:

AN:

60320

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.451

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

AF:

0.0000657

AC:

AN:

152214

Hom.:

Cov.:

AF XY:

0.0000806

AC XY:

AN XY:

74422

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41538

American (AMR)

AF:

0.0000655

AC:

AN:

15270

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.000207

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10594

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000103

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.534

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.000212

Hom.:

Bravo

AF:

0.0000756

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Luscan-Lumish syndrome

Benign:1

Apr 26, 2020

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

SETD2-related disorder

Benign:1

May 28, 2019

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications).

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.55

CADD

Benign

9.1

(source)

DANN

Benign

0.83

PhyloP100

0.53

RBP_binding_hub_radar

0.92

RBP_regulation_power_radar

2.7

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over