Genetic Variant NM_014159.7:c.7350+6T>G (chr3-47037660-A-C) – 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_014159.7(SETD2):c.7350+6T>G variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000207 in 1,450,478 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

SETD2
NM_014159.7 splice_region, intron

Scores

Splicing: ADA: 0.7866

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.97

Publications

0 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:

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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 (BayesDel_noAF=-0.4).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SETD2	NM_014159.7 link	c.7350+6T>G		splice_region_variant, intron_variant	Intron 18 of 20	ENST00000409792.4	NP_054878.5	Q9BYW2-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SETD2	ENST00000409792.4 link	c.7350+6T>G		splice_region_variant, intron_variant	Intron 18 of 20	5	NM_014159.7	ENSP00000386759.3		Q9BYW2-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000207

AC:

AN:

1450478

Hom.:

Cov.:

AF XY:

0.00000415

AC XY:

AN XY:

722212

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33238

American (AMR)

AF:

0.00

AC:

AN:

44692

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26036

East Asian (EAS)

AF:

0.00

AC:

AN:

39602

South Asian (SAS)

AF:

0.00

AC:

AN:

86030

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53296

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5748

European-Non Finnish (NFE)

AF:

0.00000272

AC:

AN:

1101886

Other (OTH)

AF:

0.00

AC:

AN:

59950

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.458

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.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.40

CADD

Benign

(source)

DANN

Benign

0.89

PhyloP100

2.0

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.79

dbscSNV1_RF

Benign

0.50

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over