NM_014979.4:c.284G>A

Variant names:

• chr5-76132034-G-A
• rs1199810418
• NM_014979.4:c.284G>A

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2 PP3

The NM_014979.4(SV2C):​c.284G>A​(p.Gly95Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,460,324 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 31)
  • Exomes 𝑓: 0.0000021 (0 hom.)
• Consequence: SV2C NM_014979.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 10.0
• Publications: 0 publications found

Genes affected

SV2C (HGNC:30670): (synaptic vesicle glycoprotein 2C) Predicted to enable transmembrane transporter activity. Predicted to be involved in chemical synaptic transmission; neurotransmitter transport; and transmembrane transport. Predicted to be located in plasma membrane and synaptic vesicle. Predicted to be active in neuron projection and synaptic vesicle membrane. Predicted to be integral component of synaptic vesicle membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.82

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014979.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SV2C	NM_014979.4	MANE Select	c.284G>A	p.Gly95Asp	missense	Exon 2 of 13	NP_055794.3	Q496J9
	SV2C	NM_001297716.2		c.284G>A	p.Gly95Asp	missense	Exon 2 of 13	NP_001284645.1	B3KT41

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SV2C	ENST00000502798.7	TSL:1 MANE Select	c.284G>A	p.Gly95Asp	missense	Exon 2 of 13	ENSP00000423541.2	Q496J9
	SV2C	ENST00000322285.7	TSL:2	c.284G>A	p.Gly95Asp	missense	Exon 2 of 13	ENSP00000316983.7	B3KT41

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome AF: 0.00000205 AC: 3 AN: 1460324 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 726292

African (AFR) AF: 0.00 AC: 0 AN: 33440

American (AMR) AF: 0.00 AC: 0 AN: 44636

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26016

East Asian (EAS) AF: 0.00 AC: 0 AN: 39636

South Asian (SAS) AF: 0.00 AC: 0 AN: 85978

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53340

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5754

European-Non Finnish (NFE) AF: 0.00000270 AC: 3 AN: 1111188

Other (OTH) AF: 0.00 AC: 0 AN: 60336

GnomAD4 genome Cov.: 31

Alfa AF: 0.0000938 Hom.: 0

ClinVar

ClinVar submissions as Germline

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.90
BayesDel_addAF	Pathogenic	0.23	D
BayesDel_noAF	Uncertain	0.090
CADD	Pathogenic	29
DANN	Uncertain	1.0
DEOGEN2	Benign	0.28	T
Eigen	Pathogenic	0.96
Eigen_PC	Pathogenic	0.94
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	1.0	D
M_CAP	Benign	0.024	T
MetaRNN	Pathogenic	0.82	D
MetaSVM	Benign	-0.60	T
MutationAssessor	Uncertain	2.4	M
PhyloP100		10
PrimateAI	Pathogenic	0.80	T
PROVEAN	Uncertain	-2.5	N
REVEL	Uncertain	0.40
Sift	Uncertain	0.022	D
Sift4G	Uncertain	0.0070	D
Polyphen		1.0	D
Vest4		0.91
MutPred		0.36		Gain of solvent accessibility (P = 0.0638)
MVP		0.74
MPC		0.75
ClinPred		0.97	D
GERP RS		5.8
Varity_R		0.51
gMVP		0.46
Mutation Taster		=28/72	disease causing

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

Other links and lift over

dbSNP: rs1199810418; hg19: chr5-75427859;