Genetic Variant SEMA3E:p.Arg760Leu (chr7-83367635-C-A) – 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_012431.3(SEMA3E):c.2279G>T(p.Arg760Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,876 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R760H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

SEMA3E
NM_012431.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.33

Publications

0 publications found

Variant links:

Genes affected

SEMA3E (HGNC:10727): (semaphorin 3E) Semaphorins are a large family of conserved secreted and membrane associated proteins which possess a semaphorin (Sema) domain and a PSI domain (found in plexins, semaphorins and integrins) in the N-terminal extracellular portion. Based on sequence and structural similarities, semaphorins are put into eight classes: invertebrates contain classes 1 and 2, viruses have class V, and vertebrates contain classes 3-7. Semaphorins serve as axon guidance ligands via multimeric receptor complexes, some (if not all) containing plexin proteins. This gene encodes a class 4 semaphorin. This gene encodes a class 3 semaphorin. Multiple transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, May 2010]

SEMA3E Gene-Disease associations (from GenCC):

complex neurodevelopmental disorder
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
Kallmann syndrome
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
CHARGE syndrome
Inheritance: Unknown, AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics

SEMA3E 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 (MetaRNN=0.21606529).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SEMA3E	NM_012431.3 link	c.2279G>T	p.Arg760Leu	missense_variant	Exon 17 of 17	ENST00000643230.2	NP_036563.1	O15041-1
SEMA3E	NM_001178129.2 link	c.2099G>T	p.Arg700Leu	missense_variant	Exon 17 of 17		NP_001171600.1	O15041-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SEMA3E	ENST00000643230.2 link	c.2279G>T	p.Arg760Leu	missense_variant	Exon 17 of 17		NM_012431.3	ENSP00000496491.1		O15041-1
SEMA3E	ENST00000643441.1 link	n.2264G>T		non_coding_transcript_exon_variant	Exon 17 of 17

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461876

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727240

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111996

Other (OTH)

AF:

0.0000166

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.43

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.59

D;D;.

Eigen

Benign

-0.19

Eigen_PC

Benign

-0.18

FATHMM_MKL

Uncertain

0.87

LIST_S2

Benign

0.72

.;T;T

M_CAP

Benign

0.014

MetaRNN

Benign

0.22

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.8

M;M;.

PhyloP100

2.3

PrimateAI

Benign

0.43

PROVEAN

Uncertain

-3.7

D;.;D

REVEL

Benign

0.094

Sift

Uncertain

0.0020

D;.;D

Sift4G

Uncertain

0.0040

D;.;D

Polyphen

0.90

P;P;.

Vest4

0.40

MutPred

0.36

Loss of MoRF binding (P = 0.002);Loss of MoRF binding (P = 0.002);.;

MVP

0.72

MPC

0.40

ClinPred

0.98

GERP RS

3.8

Varity_R

0.48

gMVP

0.45

Mutation Taster

=86/14

polymorphism

(source)

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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7-83367635-C-A

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