3-101801547-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_145037.4(NXPE3):ā€‹c.406C>Gā€‹(p.Pro136Ala) variant causes a missense change. The variant allele was found at a frequency of 0.00000274 in 1,461,874 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 Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.0000027 ( 0 hom. )

Consequence

NXPE3
NM_145037.4 missense

Scores

4
4
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.02
Variant links:
Genes affected
NXPE3 (HGNC:28238): (neurexophilin and PC-esterase domain family member 3) This gene encodes a member of the neurexophilin family of neuropeptide-like glycoproteins. The encoded protein contains a variable N-terminal domain, a highly conserved neurexophilin and PC-esterase (NXPE) central domain, a short linker region, and a cysteine-rich C-terminal domain. This protein binds alpha neurexins, a group of presynaptic transmembrane receptors that promote adhesion between dendrites and axons. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2017]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.33076).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NXPE3NM_145037.4 linkuse as main transcriptc.406C>G p.Pro136Ala missense_variant 5/8 ENST00000273347.10 NP_659474.1 Q969Y0

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NXPE3ENST00000273347.10 linkuse as main transcriptc.406C>G p.Pro136Ala missense_variant 5/81 NM_145037.4 ENSP00000273347.5 Q969Y0

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461874
Hom.:
0
Cov.:
32
AF XY:
0.00000550
AC XY:
4
AN XY:
727238
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

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 GeneticsMay 23, 2023The c.406C>G (p.P136A) alteration is located in exon 5 (coding exon 2) of the NXPE3 gene. This alteration results from a C to G substitution at nucleotide position 406, causing the proline (P) at amino acid position 136 to be replaced by an alanine (A). 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
Benign
0.11
BayesDel_addAF
Benign
-0.095
T
BayesDel_noAF
Benign
-0.37
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.25
T;T;T
Eigen
Pathogenic
0.73
Eigen_PC
Pathogenic
0.73
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.89
.;.;D
M_CAP
Benign
0.020
T
MetaRNN
Benign
0.33
T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.4
M;M;M
PrimateAI
Uncertain
0.62
T
PROVEAN
Pathogenic
-5.8
D;D;D
REVEL
Benign
0.21
Sift
Benign
0.11
T;T;T
Sift4G
Benign
0.33
T;T;T
Polyphen
1.0
D;D;D
Vest4
0.27
MutPred
0.27
Loss of stability (P = 0.0232);Loss of stability (P = 0.0232);Loss of stability (P = 0.0232);
MVP
0.29
ClinPred
0.98
D
GERP RS
6.0
Varity_R
0.27
gMVP
0.58

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: chr3-101520391; API