Genetic Variant NM_012476.3:c.301C>G (chr2-70921151-C-G) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_012476.3(VAX2):c.301C>G(p.Arg101Gly) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,582 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. R101Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

VAX2
NM_012476.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.78

Publications

0 publications found

Variant links:

Genes affected

VAX2 (HGNC:12661): (ventral anterior homeobox 2) This gene encodes a homeobox protein and is almost exclusively expressed in the ventral portion of the retina during development. In mouse studies, this gene was found to be required for the correct formation of the optic fissure and other aspects of retinal development. [provided by RefSeq, Sep 2008]

VAX2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.875

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VAX2	NM_012476.3 link	c.301C>G	p.Arg101Gly	missense_variant	Exon 2 of 3	ENST00000234392.3	NP_036608.1	Q9UIW0F1T0K5
VAX2	XM_011532750.4 link	c.301C>G	p.Arg101Gly	missense_variant	Exon 2 of 4		XP_011531052.1
VAX2	XM_011532751.4 link	c.301C>G	p.Arg101Gly	missense_variant	Exon 2 of 4		XP_011531053.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
VAX2	ENST00000234392.3 link	c.301C>G	p.Arg101Gly	missense_variant	Exon 2 of 3	1	NM_012476.3	ENSP00000234392.2	Q9UIW0
VAX2	ENST00000432367.6 link	n.124C>G		non_coding_transcript_exon_variant	Exon 2 of 15	5		ENSP00000405114.2	C9J5E3
VAX2	ENST00000646783.1 link	n.-57C>G		upstream_gene_variant				ENSP00000495231.1	A0A2R8Y6H5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460582

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726564

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33430

American (AMR)

AF:

0.00

AC:

AN:

44556

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26096

East Asian (EAS)

AF:

0.00

AC:

AN:

39632

South Asian (SAS)

AF:

0.00

AC:

AN:

86008

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53196

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111566

Other (OTH)

AF:

0.00

AC:

AN:

60338

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.98

BayesDel_addAF

Pathogenic

0.45

BayesDel_noAF

Pathogenic

0.41

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.47

Eigen

Uncertain

0.67

Eigen_PC

Uncertain

0.63

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Uncertain

0.94

M_CAP

Pathogenic

0.47

MetaRNN

Pathogenic

0.87

MetaSVM

Pathogenic

1.0

MutationAssessor

Uncertain

2.5

PhyloP100

5.8

PrimateAI

Pathogenic

0.86

PROVEAN

Pathogenic

-5.8

REVEL

Pathogenic

0.79

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.0020

Polyphen

1.0

Vest4

0.84

MutPred

0.42

Loss of solvent accessibility (P = 0.0159);

MVP

1.0

MPC

0.32

ClinPred

1.0

GERP RS

4.5

Varity_R

0.88

gMVP

0.55

Mutation Taster

=32/68

disease causing

(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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NM_012476.3:c.301C>G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over