7-80744940-T-G

Variant names:

• chr7-80744940-T-G
• NM_006379.5:c.2210A>C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_006379.5(SEMA3C):​c.2210A>C​(p.Asn737Thr) 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 1,461,786 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: SEMA3C NM_006379.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 3.20

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]

ACMG classification

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=0.13223976).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SEMA3C	NM_006379.5	c.2210A>C	p.Asn737Thr	missense_variant	Exon 18 of 18	ENST00000265361.8	NP_006370.1
SEMA3C	NM_001350120.2	c.2264A>C	p.Asn755Thr	missense_variant	Exon 18 of 18		NP_001337049.1
SEMA3C	NM_001350121.2	c.2036A>C	p.Asn679Thr	missense_variant	Exon 19 of 19		NP_001337050.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SEMA3C	ENST00000265361.8	c.2210A>C	p.Asn737Thr	missense_variant	Exon 18 of 18	1	NM_006379.5	ENSP00000265361.3
SEMA3C	ENST00000419255.6	c.2210A>C	p.Asn737Thr	missense_variant	Exon 18 of 18	2		ENSP00000411193.2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461786 Hom.: 0 Cov.: 29 AF XY: 0.00 AC XY: 0 AN XY: 727192

Gnomad4 AFR exome AF: 0.00

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: 0.00

Gnomad4 NFE exome AF: 8.99e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.15
BayesDel_addAF	Benign	-0.19	T
BayesDel_noAF	Benign	-0.52
CADD	Benign	20
DANN	Uncertain	0.99
DEOGEN2	Benign	0.13	T;T
Eigen	Benign	-0.045
Eigen_PC	Benign	0.083
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.93	.;D
M_CAP	Benign	0.0079	T
MetaRNN	Benign	0.13	T;T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.4	L;L
PrimateAI	Benign	0.34	T
PROVEAN	Benign	-1.2	N;N
REVEL	Benign	0.058
Sift	Uncertain	0.011	D;D
Sift4G	Uncertain	0.020	D;D
Polyphen		0.37	B;B
Vest4		0.18
MVP		0.35
MPC		0.15
ClinPred		0.83	D
GERP RS		4.4
Varity_R		0.27
gMVP		0.14

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr7-80374256;