Genetic Variant NM_004385.5:c.5576C>G (chr5-83538579-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_004385.5(VCAN):c.5576C>G(p.Ala1859Gly) 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. 16/22 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. A1859E) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

VCAN
NM_004385.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.64

Publications

0 publications found

Variant links:

Genes affected

VCAN (HGNC:2464): (versican) This gene is a member of the aggrecan/versican proteoglycan family. The protein encoded is a large chondroitin sulfate proteoglycan and is a major component of the extracellular matrix. This protein is involved in cell adhesion, proliferation, proliferation, migration and angiogenesis and plays a central role in tissue morphogenesis and maintenance. Mutations in this gene are the cause of Wagner syndrome type 1. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2009]

VCAN links:

VCAN-AS1 (HGNC:40163): (VCAN antisense RNA 1)

VCAN-AS1 links:

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ACMG classification

Classification was made for transcript

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=0.05538073).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004385.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
VCAN	NM_004385.5	MANE Select	c.5576C>G	p.Ala1859Gly	missense	Exon 8 of 15	NP_004376.2
VCAN	NM_001164097.2		c.2615C>G	p.Ala872Gly	missense	Exon 7 of 14	NP_001157569.1
VCAN	NM_001164098.2		c.4004-6958C>G		intron	N/A	NP_001157570.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
VCAN	ENST00000265077.8	TSL:1 MANE Select	c.5576C>G	p.Ala1859Gly	missense	Exon 8 of 15	ENSP00000265077.3
VCAN	ENST00000343200.9	TSL:1	c.2615C>G	p.Ala872Gly	missense	Exon 7 of 14	ENSP00000340062.5
VCAN	ENST00000513960.5	TSL:1	c.2615C>G	p.Ala872Gly	missense	Exon 7 of 7	ENSP00000426251.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461786

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727210

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111938

Other (OTH)

AF:

0.00

AC:

AN:

60384

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.094

BayesDel_addAF

Benign

-0.18

BayesDel_noAF

Benign

-0.49

CADD

Benign

7.3

(source)

DANN

Benign

0.89

DEOGEN2

Benign

0.087

Eigen

Benign

-1.0

Eigen_PC

Benign

-0.89

FATHMM_MKL

Benign

0.26

LIST_S2

Benign

0.37

M_CAP

Benign

0.030

MetaRNN

Benign

0.055

MetaSVM

Benign

-0.86

MutationAssessor

Benign

-0.34

PhyloP100

1.6

PrimateAI

Benign

0.28

PROVEAN

Benign

-0.34

REVEL

Benign

0.10

Sift

Benign

0.054

Sift4G

Benign

0.40

Polyphen

0.0

Vest4

0.048

MutPred

0.30

Gain of methylation at K1864 (P = 0.1477)

MVP

0.23

MPC

0.079

ClinPred

0.078

GERP RS

0.77

Varity_R

0.046

gMVP

0.13

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over