3-47577103-C-A

Variant names:

• chr3-47577103-C-A
• rs201571337
• NM_006574.4:c.923G>T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_006574.4(CSPG5):​c.923G>T​(p.Gly308Val) 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 1,461,560 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 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. G308D) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: CSPG5 NM_006574.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.40
• Publications: 0 publications found

Genes affected

CSPG5 (HGNC:2467): (chondroitin sulfate proteoglycan 5) The protein encoded by this gene is a proteoglycan that may function as a neural growth and differentiation factor. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2011]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.031190991).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006574.4. 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
	CSPG5	NM_006574.4	MANE Select	c.923G>T	p.Gly308Val	missense	Exon 2 of 5	NP_006565.2	O95196-2
	CSPG5	NM_001206943.2		c.923G>T	p.Gly308Val	missense	Exon 2 of 5	NP_001193872.1	O95196-1
	CSPG5	NM_001206944.2		c.923G>T	p.Gly308Val	missense	Exon 2 of 4	NP_001193873.1	A0A087WUT8

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CSPG5	ENST00000264723.9	TSL:1 MANE Select	c.923G>T	p.Gly308Val	missense	Exon 2 of 5	ENSP00000264723.4	O95196-2
	CSPG5	ENST00000383738.6	TSL:1	c.923G>T	p.Gly308Val	missense	Exon 2 of 5	ENSP00000373244.2	O95196-1
	CSPG5	ENST00000456150.5	TSL:1	c.509G>T	p.Gly170Val	missense	Exon 1 of 4	ENSP00000392096.1	O95196-3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD2 exomes AF: 0.00000404 AC: 1 AN: 247398 AF XY: 0.00000744

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.0000545

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461560 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 727106

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44720

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53114

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1112002

Other (OTH) AF: 0.00 AC: 0 AN: 60384

GnomAD4 genome Cov.: 32

ExAC AF: 0.0000165 AC: 2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.090
BayesDel_addAF	Benign	-0.42	T
BayesDel_noAF	Benign	-0.62
CADD	Benign	16
DANN	Benign	0.95
DEOGEN2	Benign	0.12	T
Eigen	Benign	-1.1
Eigen_PC	Benign	-1.0
FATHMM_MKL	Benign	0.080	N
LIST_S2	Benign	0.67	T
M_CAP	Benign	0.0094	T
MetaRNN	Benign	0.031	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.0	N
PhyloP100		1.4
PrimateAI	Uncertain	0.55	T
PROVEAN	Benign	-0.77	N
REVEL	Benign	0.015
Sift	Benign	0.15	T
Sift4G	Benign	0.13	T
Polyphen		0.0	B
Vest4		0.084
MutPred		0.31		Loss of glycosylation at P311 (P = 0.164)
MVP		0.28
MPC		0.70
ClinPred		0.081	T
GERP RS		2.3
Varity_R		0.052
gMVP		0.48
Mutation Taster		=94/6	polymorphism

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: rs201571337; hg19: chr3-47618593;