Variant 3-50269335-G-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001290060.2(SEMA3B):c.95G>T(p.Arg32Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000265 in 1,508,596 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 8/13 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (no stars).

Frequency

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

Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

SEMA3B
NM_001290060.2 missense

Scores

Clinical Significance

Uncertain significance no assertion criteria provided U:1

Conservation

PhyloP100: 1.39

Variant links:

Genes affected

SEMA3B (HGNC:10724): (semaphorin 3B) The protein encoded by this gene belongs to the class-3 semaphorin/collapsin family, whose members function in growth cone guidance during neuronal development. This family member inhibits axonal extension and has been shown to act as a tumor suppressor by inducing apoptosis. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Feb 2014]

SEMA3B links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.16681072).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SEMA3B	NM_001290060.2 link	c.95G>T	p.Arg32Leu	missense_variant	1/17	ENST00000616701.5	NP_001276989.1	Q13214-1
SEMA3B	NM_001290061.1 link	c.95G>T	p.Arg32Leu	missense_variant	1/17		NP_001276990.1	Q13214A0A0C4DGV8
SEMA3B	NM_004636.4 link	c.95G>T	p.Arg32Leu	missense_variant	2/18		NP_004627.1	Q13214-1
SEMA3B	NM_001005914.3 link	c.95G>T	p.Arg32Leu	missense_variant	2/18		NP_001005914.1	Q13214-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SEMA3B	ENST00000616701.5 link	c.95G>T	p.Arg32Leu	missense_variant	1/17	1	NM_001290060.2	ENSP00000484146.1		Q13214-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152118

Hom.:

Cov.:

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

GnomAD4 exome

AF:

0.0000288

AC:

AN:

1356478

Hom.:

Cov.:

AF XY:

0.0000344

AC XY:

AN XY:

668912

show subpopulations

Gnomad4 AFR exome

AF:

0.0000338

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:

0.0000251

Gnomad4 NFE exome

AF:

0.0000347

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152118

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74300

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

Bravo

AF:

0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

SEMA3B-related disorder

Uncertain:1

Uncertain significance, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Sep 06, 2024

The SEMA3B c.95G>T variant is predicted to result in the amino acid substitution p.Arg32Leu. To our knowledge, this variant has not been reported in the literature or in a large population database, indicating this variant is rare. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.14

BayesDel_addAF

Benign

-0.058

BayesDel_noAF

Benign

-0.32

CADD

Uncertain

DANN

Benign

0.97

DEOGEN2

Benign

0.17

.;T;T;.;.

Eigen

Benign

-0.29

Eigen_PC

Benign

-0.19

FATHMM_MKL

Benign

0.28

LIST_S2

Uncertain

0.96

D;D;.;D;D

MetaRNN

Benign

0.17

T;T;T;T;T

MetaSVM

Benign

-0.97

PrimateAI

Uncertain

0.65

Sift4G

Uncertain

0.016

D;T;T;T;T

Polyphen

0.0010

.;B;B;.;.

Vest4

0.42, 0.38, 0.40

MutPred

0.48

Loss of methylation at R32 (P = 0.0278);Loss of methylation at R32 (P = 0.0278);Loss of methylation at R32 (P = 0.0278);Loss of methylation at R32 (P = 0.0278);Loss of methylation at R32 (P = 0.0278);

MVP

0.40

ClinPred

0.68

GERP RS

4.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.6

Varity_R

0.38

gMVP

0.72

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over