Genetic Variant SH3BP2:c.-4-2080G>T (chr4-2818534-G-T) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBS1BS2

The NM_001122681.2(SH3BP2):c.-4-2080G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000249 in 521,832 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

SH3BP2
NM_001122681.2 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.510

Publications

3 publications found

Variant links:

Genes affected

SH3BP2 (HGNC:10825): (SH3 domain binding protein 2) The protein encoded by this gene has an N-terminal pleckstrin homology (PH) domain, an SH3-binding proline-rich region, and a C-terminal SH2 domain. The protein binds to the SH3 domains of several proteins including the ABL1 and SYK protein tyrosine kinases , and functions as a cytoplasmic adaptor protein to positively regulate transcriptional activity in T, natural killer (NK), and basophilic cells. Mutations in this gene result in cherubism. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]

SH3BP2 Gene-Disease associations (from GenCC):

cherubism
Inheritance: AD Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), G2P, Orphanet

SH3BP2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.48).

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.0000788 (12/152236) while in subpopulation AMR AF = 0.000719 (11/15308). AF 95% confidence interval is 0.000402. There are 0 homozygotes in GnomAd4. There are 6 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High AC in GnomAd4 at 12 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
SH3BP2	NM_001122681.2 link	c.-4-2080G>T	intron_variant	Intron 1 of 12	ENST00000503393.8	NP_001116153.1	P78314-1A0A384N6E5
SH3BP2	NM_001145856.2 link	c.167+144G>T	intron_variant	Intron 1 of 12		NP_001139328.1	P78314-4
SH3BP2	NM_001145855.2 link	c.81-2080G>T	intron_variant	Intron 1 of 12		NP_001139327.1	P78314-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SH3BP2	ENST00000503393.8 link	c.-4-2080G>T		intron_variant	Intron 1 of 12	1	NM_001122681.2	ENSP00000422168.3		P78314-1

Frequencies

GnomAD3 genomes

AF:

0.0000789

AC:

AN:

152128

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000720

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00318

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000271

AC:

AN:

369596

Hom.:

AF XY:

0.00000561

AC XY:

AN XY:

178282

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

6950

American (AMR)

AF:

0.000400

AC:

AN:

2500

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

4340

East Asian (EAS)

AF:

0.00

AC:

AN:

10328

South Asian (SAS)

AF:

0.00

AC:

AN:

6382

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9140

Middle Eastern (MID)

AF:

0.00

AC:

AN:

990

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

314672

Other (OTH)

AF:

0.00

AC:

AN:

14294

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000788

AC:

AN:

152236

Hom.:

Cov.:

AF XY:

0.0000806

AC XY:

AN XY:

74424

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41546

American (AMR)

AF:

0.000719

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00342

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67978

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.48

CADD

Benign

(source)

DANN

Benign

0.96

PhyloP100

0.51

PromoterAI

0.0067

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.4

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over