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rs755458782

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_016256.4(NAGPA):c.252C>G(p.His84Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000404 in 1,505,860 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (no stars).

Frequency

Genomes: 𝑓 0.00045 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00040 ( 0 hom. )

Consequence

NAGPA
NM_016256.4 missense

Scores

1
2
16

Clinical Significance

Uncertain significance no assertion criteria provided U:1

Conservation

PhyloP100: 1.03
Variant links:
Genes affected
NAGPA (HGNC:17378): (N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase) Hydrolases are transported to lysosomes after binding to mannose 6-phosphate receptors in the trans-Golgi network. This gene encodes the enzyme that catalyzes the second step in the formation of the mannose 6-phosphate recognition marker on lysosomal hydrolases. Commonly known as 'uncovering enzyme' or UCE, this enzyme removes N-acetyl-D-glucosamine (GlcNAc) residues from GlcNAc-alpha-P-mannose moieties and thereby produces the recognition marker. The encoded preproprotein is proteolytically processed by furin to generate the mature enzyme, a homotetramer of two disulfide-linked homodimers. Mutations in this gene are associated with developmental stuttering in human patients. [provided by RefSeq, Oct 2015]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.10538703).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NAGPANM_016256.4 linkuse as main transcriptc.252C>G p.His84Gln missense_variant 2/10 ENST00000312251.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NAGPAENST00000312251.8 linkuse as main transcriptc.252C>G p.His84Gln missense_variant 2/101 NM_016256.4 P1Q9UK23-1

Frequencies

GnomAD3 genomes
AF:
0.000454
AC:
69
AN:
152110
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00109
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
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:
0.000294
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000180
AC:
20
AN:
110844
Hom.:
0
AF XY:
0.000192
AC XY:
12
AN XY:
62582
show subpopulations
Gnomad AFR exome
AF:
0.000551
Gnomad AMR exome
AF:
0.0000546
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000106
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000318
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000399
AC:
540
AN:
1353642
Hom.:
0
Cov.:
34
AF XY:
0.000405
AC XY:
270
AN XY:
667270
show subpopulations
Gnomad4 AFR exome
AF:
0.00123
Gnomad4 AMR exome
AF:
0.0000677
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000264
Gnomad4 FIN exome
AF:
0.0000298
Gnomad4 NFE exome
AF:
0.000457
Gnomad4 OTH exome
AF:
0.000196
GnomAD4 genome
AF:
0.000453
AC:
69
AN:
152218
Hom.:
0
Cov.:
32
AF XY:
0.000430
AC XY:
32
AN XY:
74436
show subpopulations
Gnomad4 AFR
AF:
0.00108
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000294
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000553
Hom.:
0
Bravo
AF:
0.000544
TwinsUK
AF:
0.000809
AC:
3
ALSPAC
AF:
0.000778
AC:
3
ExAC
AF:
0.0000434
AC:
4

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Stuttering, familial persistent, 2 Uncertain:1
Uncertain significance, no assertion criteria providedliterature onlyOMIMNov 18, 2011- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.21
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.23
Cadd
Benign
16
Dann
Benign
0.73
DEOGEN2
Benign
0.31
T;.
Eigen
Benign
-0.35
Eigen_PC
Benign
-0.36
FATHMM_MKL
Benign
0.56
D
LIST_S2
Benign
0.61
T;T
M_CAP
Uncertain
0.10
D
MetaRNN
Benign
0.11
T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Uncertain
2.5
M;M
MutationTaster
Benign
0.61
N;N
PrimateAI
Pathogenic
0.91
D
PROVEAN
Benign
-1.4
N;N
REVEL
Benign
0.20
Sift
Benign
0.11
T;T
Sift4G
Benign
0.28
T;T
Polyphen
0.25
B;.
Vest4
0.35
MutPred
0.63
Loss of methylation at R86 (P = 0.0464);Loss of methylation at R86 (P = 0.0464);
MVP
0.27
MPC
0.62
ClinPred
0.045
T
GERP RS
1.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.11
gMVP
0.43

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs755458782; hg19: chr16-5083564; API