chr7-80745255-G-A
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_006379.5(SEMA3C):c.1895C>T(p.Ser632Phe) variant causes a missense change. The variant allele was found at a frequency of 0.00000744 in 1,613,886 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )
Consequence
SEMA3C
NM_006379.5 missense
NM_006379.5 missense
Scores
1
10
7
Clinical Significance
Conservation
PhyloP100: 6.41
Genes affected
SEMA3C (HGNC:10725): (semaphorin 3C) This gene encodes a secreted glycoprotein that belongs to the semaphorin class 3 family of neuronal guidance cues. The encoded protein contains an N-terminal sema domain, integrin and immunoglobulin-like domains, and a C-terminal basic domain. Homodimerization and proteolytic cleavage of the C-terminal propeptide are necessary for the function of the encoded protein. It binds a neuropilin co-receptor before forming a heterotrimeric complex with an associated plexin. An increase in the expression of this gene correlates with an increase in cancer cell invasion and adhesion. Naturally occurring mutations in this gene are associated with Hirschsprung disease. [provided by RefSeq, May 2017]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SEMA3C | NM_006379.5 | c.1895C>T | p.Ser632Phe | missense_variant | 18/18 | ENST00000265361.8 | |
SEMA3C | NM_001350120.2 | c.1949C>T | p.Ser650Phe | missense_variant | 18/18 | ||
SEMA3C | NM_001350121.2 | c.1721C>T | p.Ser574Phe | missense_variant | 19/19 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SEMA3C | ENST00000265361.8 | c.1895C>T | p.Ser632Phe | missense_variant | 18/18 | 1 | NM_006379.5 | P1 | |
SEMA3C | ENST00000419255.6 | c.1895C>T | p.Ser632Phe | missense_variant | 18/18 | 2 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0000460 AC: 7AN: 152196Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000239 AC: 6AN: 251086Hom.: 0 AF XY: 0.0000147 AC XY: 2AN XY: 135710
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GnomAD4 exome AF: 0.00000342 AC: 5AN: 1461690Hom.: 0 Cov.: 34 AF XY: 0.00000275 AC XY: 2AN XY: 727150
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GnomAD4 genome ? AF: 0.0000460 AC: 7AN: 152196Hom.: 0 Cov.: 32 AF XY: 0.0000672 AC XY: 5AN XY: 74356
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
SEMA3C-related disorder Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | May 22, 2023 | The SEMA3C c.1949C>T variant is predicted to result in the amino acid substitution p.Ser650Phe. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.016% of alleles in individuals of African descent in gnomAD (http://gnomad.broadinstitute.org/variant/7-80374571-G-A). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
Cadd
Pathogenic
Dann
Uncertain
DEOGEN2
Uncertain
D;D
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
M_CAP
Benign
T
MetaRNN
Uncertain
D;D
MetaSVM
Benign
T
MutationAssessor
Uncertain
M;M
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
PROVEAN
Uncertain
D;D
REVEL
Benign
Sift
Uncertain
D;D
Sift4G
Uncertain
D;D
Polyphen
D;D
Vest4
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at