Genetic Variant SRPX2:c.164-222_164-217dupTTTTTT (chrX-100661933-G-GTTTTTT) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_014467.3(SRPX2):c.164-222_164-217dupTTTTTT variant causes a intron change involving the alteration of a non-conserved nucleotide. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.00010 ( 0 hom., 0 hem., cov: 16)

Consequence

SRPX2
NM_014467.3 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0150

Variant links:

Genes affected

SRPX2 (HGNC:30668): (sushi repeat containing protein X-linked 2) This gene encodes a secreted protein that contains three sushi repeat motifs. The encoded protein may play a role in the development of speech and language centers in the brain. This protein may also be involved in angiogenesis. Mutations in this gene are the cause of bilateral perisylvian polymicrogyria, rolandic epilepsy, speech dyspraxia and cognitive disability. [provided by RefSeq, May 2010]

SRPX2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAd4 at 6 XLR,XL,AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SRPX2	NM_014467.3 link	c.164-222_164-217dupTTTTTT		intron_variant	Intron 3 of 10	ENST00000373004.5	NP_055282.1	O60687

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SRPX2	ENST00000373004.5 link	c.164-243_164-242insTTTTTT		intron_variant	Intron 3 of 10	1	NM_014467.3	ENSP00000362095.3		O60687

Frequencies

GnomAD3 genomes

AF:

0.000101

AC:

AN:

59696

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000142

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000187

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:

0.0000922

Gnomad OTH

AF:

0.00

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome

AF:

0.000101

AC:

AN:

59696

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

13234

show subpopulations

African (AFR)

AF:

0.000142

AC:

AN:

14088

American (AMR)

AF:

0.000187

AC:

AN:

5357

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

1672

East Asian (EAS)

AF:

0.00

AC:

AN:

1875

South Asian (SAS)

AF:

0.00

AC:

AN:

1163

European-Finnish (FIN)

AF:

0.00

AC:

AN:

1648

Middle Eastern (MID)

AF:

0.00

AC:

AN:

115

European-Non Finnish (NFE)

AF:

0.0000922

AC:

AN:

32521

Other (OTH)

AF:

0.00

AC:

AN:

807

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.015

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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X-100661933-GTTTTTTTTTTTTTTT-GTTTTTTTTTTTTTTTTTTTTT

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over