X-43949839-C-T

Variant summary

Our verdict is Pathogenic. Variant got 14 ACMG points: 14P and 0B. PS1_ModeratePM1PM2PM5PP3_StrongPP5_Moderate

The NM_000266.4(NDP):​c.362G>A​(p.Arg121Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★). Another nucleotide change resulting in the same amino acid substitution has been previously reported as Likely pathogenic in UniProt. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R121G) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 23)
Exomes 𝑓: 0.0 ( 0 hom. 0 hem. )
Failed GnomAD Quality Control

Consequence

NDP
NM_000266.4 missense

Scores

10
5
2

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 7.54
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-AS1 (HGNC:40395): (NDP antisense RNA 1)

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 14 ACMG points.

PS1
Transcript NM_000266.4 (NDP) is affected with MISSENSE_VARIANT having same AA change as one Pathogenic present in UniProt
PM1
In a disulfide_bond (size 61) in uniprot entity NDP_HUMAN there are 24 pathogenic changes around while only 0 benign (100%) in NM_000266.4
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chrnull-null-null-null is described in UniProt as null.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.954
PP5
Variant X-43949839-C-T is Pathogenic according to our data. Variant chrX-43949839-C-T is described in ClinVar as [Pathogenic]. Clinvar id is 3249058.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-43949839-C-T is described in Lovd as [Likely_pathogenic]. Variant chrX-43949839-C-T is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NDPNM_000266.4 linkc.362G>A p.Arg121Gln missense_variant 3/3 ENST00000642620.1 NP_000257.1 Q00604
NDP-AS1NR_046631.1 linkn.108C>T non_coding_transcript_exon_variant 1/6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NDPENST00000642620.1 linkc.362G>A p.Arg121Gln missense_variant 3/3 NM_000266.4 ENSP00000495972.1 Q00604
NDPENST00000647044.1 linkc.362G>A p.Arg121Gln missense_variant 4/4 ENSP00000495811.1 Q00604
NDP-AS1ENST00000435093.1 linkn.108C>T non_coding_transcript_exon_variant 1/53
NDPENST00000470584.1 linkn.406G>A non_coding_transcript_exon_variant 3/32

Frequencies

GnomAD3 genomes
Cov.:
23
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1073359
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
349797
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
23

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Retinal dystrophy Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingInstitute of Human Genetics, Univ. Regensburg, Univ. RegensburgJan 01, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.96
BayesDel_addAF
Pathogenic
0.52
D
BayesDel_noAF
Pathogenic
0.51
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.94
D;D;D
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.96
.;.;D
M_CAP
Pathogenic
0.89
D
MetaRNN
Pathogenic
0.95
D;D;D
MetaSVM
Uncertain
0.69
D
MutationAssessor
Benign
0.97
L;L;L
PrimateAI
Uncertain
0.66
T
PROVEAN
Uncertain
-2.8
.;D;.
REVEL
Pathogenic
0.86
Sift
Pathogenic
0.0
.;D;.
Sift4G
Pathogenic
0.0
.;D;.
Polyphen
1.0
D;D;D
Vest4
0.89
MutPred
0.79
Loss of MoRF binding (P = 0.0403);Loss of MoRF binding (P = 0.0403);Loss of MoRF binding (P = 0.0403);
MVP
1.0
MPC
1.5
ClinPred
1.0
D
GERP RS
6.0
Varity_R
0.96
gMVP
0.93

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

No publications associated with this variant yet.

Other links and lift over

hg19: chrX-43809085; API