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chr15-73570204-C-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP2BS2

The NM_012428.4(NPTN):​c.1060G>T​(p.Val354Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000186 in 1,613,980 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

NPTN
NM_012428.4 missense

Scores

2
9
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.49
Variant links:
Genes affected
NPTN (HGNC:17867): (neuroplastin) This gene encodes a type I transmembrane protein belonging to the Ig superfamily. The protein is believed to be involved in cell-cell interactions or cell-substrate interactions. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP2
Missense variant where missense usually causes diseases, NPTN
BS2
High AC in GnomAdExome4 at 27 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NPTNNM_012428.4 linkuse as main transcriptc.1060G>T p.Val354Leu missense_variant 6/9 ENST00000345330.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NPTNENST00000345330.9 linkuse as main transcriptc.1060G>T p.Val354Leu missense_variant 6/91 NM_012428.4 P4Q9Y639-2

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152116
Hom.:
0
Cov.:
32
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000199
AC:
5
AN:
251168
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135724
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000441
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000185
AC:
27
AN:
1461864
Hom.:
0
Cov.:
31
AF XY:
0.0000138
AC XY:
10
AN XY:
727236
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.0000234
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152116
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74320
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 21, 2022The c.1060G>T (p.V354L) alteration is located in exon 6 (coding exon 6) of the NPTN gene. This alteration results from a G to T substitution at nucleotide position 1060, causing the valine (V) at amino acid position 354 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.70
BayesDel_addAF
Benign
-0.053
T
BayesDel_noAF
Benign
-0.18
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.39
T;.;T;.;.
Eigen
Uncertain
0.55
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Benign
0.82
T;T;D;T;T
M_CAP
Benign
0.023
T
MetaRNN
Uncertain
0.43
T;T;T;T;T
MetaSVM
Benign
-0.44
T
MutationAssessor
Uncertain
2.8
M;.;.;.;M
MutationTaster
Benign
1.0
D;D;D;D;D;D;N
PrimateAI
Pathogenic
0.84
D
PROVEAN
Uncertain
-2.6
D;D;D;D;D
REVEL
Benign
0.22
Sift
Uncertain
0.0030
D;D;D;D;D
Sift4G
Uncertain
0.0090
D;D;.;D;D
Polyphen
0.92
P;.;.;D;P
Vest4
0.44
MutPred
0.48
Loss of sheet (P = 0.0104);.;.;.;Loss of sheet (P = 0.0104);
MVP
0.52
MPC
0.92
ClinPred
0.65
D
GERP RS
5.6
Varity_R
0.58
gMVP
0.68

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.

Other links and lift over

dbSNP: rs775199794; hg19: chr15-73862545; API