Variant X-43949814-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_000266.4(NDP):c.387G>A(p.Glu129Glu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000748 in 1,175,757 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 28 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., 1 hem., cov: 23)

Exomes 𝑓: 0.000080 ( 0 hom. 27 hem. )

Consequence

NDP
NM_000266.4 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 1.95

Variant links:

Genes affected

NDP (HGNC:7678): (norrin cystine knot growth factor NDP) This gene encodes a secreted protein with a cystein-knot motif that activates the Wnt/beta-catenin pathway. The protein forms disulfide-linked oligomers in the extracellular matrix. Mutations in this gene result in Norrie disease and X-linked exudative vitreoretinopathy. [provided by RefSeq, Feb 2009]

NDP links:

NDP-AS1 (HGNC:40395): (NDP antisense RNA 1)

NDP-AS1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.42).

BP6

Variant X-43949814-C-T is Benign according to our data. Variant chrX-43949814-C-T is described in ClinVar as [Benign]. Clinvar id is 798241.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=1.95 with no splicing effect.

BS1

Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.0000268 (3/112137) while in subpopulation EAS AF= 0.000844 (3/3555). AF 95% confidence interval is 0.00023. There are 0 homozygotes in gnomad4. There are 1 alleles in male gnomad4 subpopulation. Median coverage is 23. This position pass quality control queck.

BS2

High Hemizygotes in GnomAdExome4 at 27 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
NDP	NM_000266.4 link	c.387G>A	p.Glu129Glu	synonymous_variant	3/3	ENST00000642620.1	NP_000257.1	Q00604
NDP-AS1	NR_046631.1 link	n.83C>T		non_coding_transcript_exon_variant	1/6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
NDP	ENST00000642620.1 link	c.387G>A	p.Glu129Glu	synonymous_variant	3/3		NM_000266.4	ENSP00000495972.1	Q00604
NDP	ENST00000647044.1 link	c.387G>A	p.Glu129Glu	synonymous_variant	4/4			ENSP00000495811.1	Q00604
NDP-AS1	ENST00000435093.1 link	n.83C>T		non_coding_transcript_exon_variant	1/5	3
NDP	ENST00000470584.1 link	n.431G>A		non_coding_transcript_exon_variant	3/3	2

Frequencies

GnomAD3 genomes

AF:

0.0000268

AC:

AN:

112084

Hom.:

Cov.:

AF XY:

0.0000292

AC XY:

AN XY:

34248

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:

0.000841

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000149

AC:

AN:

127772

Hom.:

AF XY:

0.0000721

AC XY:

AN XY:

41604

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00198

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000799

AC:

AN:

1063620

Hom.:

Cov.:

AF XY:

0.0000778

AC XY:

AN XY:

346824

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00299

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.0000223

GnomAD4 genome

AF:

0.0000268

AC:

AN:

112137

Hom.:

Cov.:

AF XY:

0.0000291

AC XY:

AN XY:

34311

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000844

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000718

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 06, 2024	- -
Benign, criteria provided, single submitter	clinical testing	GeneDx	Jun 18, 2021	- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.42

CADD

Benign

DANN

Benign

0.89

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over