dbSNP rs749637396: SEMA4C:p.Gly800Arg (chr2-96860730-C-G) – 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_017789.5(SEMA4C):c.2398G>C(p.Gly800Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,522 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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 nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SEMA4C
NM_017789.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.724

Publications

0 publications found

Variant links:

Genes affected

SEMA4C (HGNC:10731): (semaphorin 4C) Predicted to enable chemorepellent activity and semaphorin receptor binding activity. Involved in muscle cell differentiation and positive regulation of stress-activated MAPK cascade. Located in extracellular space. [provided by Alliance of Genome Resources, Apr 2022]

SEMA4C 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=0.102397144).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SEMA4C	NM_017789.5 link	c.2398G>C	p.Gly800Arg	missense_variant	Exon 15 of 15	ENST00000305476.10	NP_060259.4	Q9C0C4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SEMA4C	ENST00000305476.10 link	c.2398G>C	p.Gly800Arg	missense_variant	Exon 15 of 15	1	NM_017789.5	ENSP00000306844.5	Q9C0C4
SEMA4C	ENST00000467747.1 link	n.2389G>C		non_coding_transcript_exon_variant	Exon 3 of 3	2
SEMA4C	ENST00000474420.1 link	n.1631G>C		non_coding_transcript_exon_variant	Exon 2 of 2	2
SEMA4C	ENST00000482925.5 link	n.2788G>C		non_coding_transcript_exon_variant	Exon 13 of 13	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461522

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727078

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

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:

53102

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111976

Other (OTH)

AF:

0.00

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

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

0.13

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.54

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.073

Eigen

Benign

-0.50

Eigen_PC

Benign

-0.47

FATHMM_MKL

Benign

0.52

LIST_S2

Benign

0.76

M_CAP

Benign

0.0084

MetaRNN

Benign

0.10

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

PhyloP100

0.72

PrimateAI

Uncertain

0.59

PROVEAN

Benign

-0.48

REVEL

Benign

0.071

Sift

Uncertain

0.012

Sift4G

Uncertain

0.035

Polyphen

0.62

Vest4

0.088

MutPred

0.21

Gain of methylation at G800 (P = 0.0258);

MVP

0.068

MPC

0.40

ClinPred

0.19

GERP RS

4.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.099

gMVP

0.41

Mutation Taster

=86/14

polymorphism

(source)

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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rs749637396

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