Genetic Variant VSX2:p.Asp54Asp (chr14-74239723-C-T) – ACMG Classification: Benign (-7 pts)

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_StrongBP6_ModerateBP7

The NM_182894.3(VSX2):c.162C>T(p.Asp54Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000968 in 1,549,210 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000079 ( 0 hom. )

Consequence

VSX2
NM_182894.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.12

Publications

1 publications found

Variant links:

Genes affected

VSX2 (HGNC:1975): (visual system homeobox 2) This gene encodes a homeobox protein originally described as a retina-specific transcription factor. Mutations in this gene are associated with microphthalmia, cataracts and iris abnormalities. [provided by RefSeq, Oct 2009]

VSX2 Gene-Disease associations (from GenCC):

isolated microphthalmia 2
Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
microphthalmia, isolated, with coloboma 3
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), PanelApp Australia
microphthalmia
Inheritance: AR Classification: STRONG Submitted by: Ambry Genetics
isolated anophthalmia-microphthalmia syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
microphthalmia, isolated, with coloboma
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

VSX2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.47).

BP6

Variant 14-74239723-C-T is Benign according to our data. Variant chr14-74239723-C-T is described in CliVar as Likely_benign. Clinvar id is 1140368.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-74239723-C-T is described in CliVar as Likely_benign. Clinvar id is 1140368.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=1.12 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VSX2	NM_182894.3 link	c.162C>T	p.Asp54Asp	synonymous_variant	Exon 1 of 5	ENST00000261980.3	NP_878314.1	P58304

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
VSX2	ENST00000261980.3 link	c.162C>T	p.Asp54Asp	synonymous_variant	Exon 1 of 5	1	NM_182894.3	ENSP00000261980.2		P58304

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152198

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000137

AC:

AN:

145736

AF XY:

0.0000127

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000930

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000187

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000787

AC:

AN:

1396894

Hom.:

Cov.:

AF XY:

0.0000116

AC XY:

AN XY:

688882

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31590

American (AMR)

AF:

0.00

AC:

AN:

35670

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25148

East Asian (EAS)

AF:

0.0000280

AC:

AN:

35766

South Asian (SAS)

AF:

0.0000126

AC:

AN:

79198

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47808

Middle Eastern (MID)

AF:

0.000193

AC:

AN:

5176

European-Non Finnish (NFE)

AF:

0.00000742

AC:

AN:

1078648

Other (OTH)

AF:

0.00

AC:

AN:

57890

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.520

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

AF:

0.0000263

AC:

AN:

152316

Hom.:

Cov.:

AF XY:

0.0000537

AC XY:

AN XY:

74484

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41568

American (AMR)

AF:

0.00

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000588

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.463

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Isolated microphthalmia 2

Benign:1

Jul 22, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.47

CADD

Benign

(source)

DANN

Benign

0.95

PhyloP100

1.1

PromoterAI

0.0026

Neutral

(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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over