chr3-43080871-G-A

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 2P and 10B. PM2BP4_StrongBP6BP7BS1

The NM_032806.6(POMGNT2):​c.561C>T​(p.His187=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000618 in 1,613,998 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00057 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00062 ( 1 hom. )

Consequence

POMGNT2
NM_032806.6 synonymous

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:4

Conservation

PhyloP100: -1.25
Variant links:
Genes affected
POMGNT2 (HGNC:25902): (protein O-linked mannose N-acetylglucosaminyltransferase 2 (beta 1,4-)) This gene encodes a protein with glycosyltransferase activity although its function is not currently known. [provided by RefSeq, Sep 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.83).
BP6
Variant 3-43080871-G-A is Benign according to our data. Variant chr3-43080871-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 262107.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=4, Uncertain_significance=1}.
BP7
Synonymous conserved (PhyloP=-1.25 with no splicing effect.
BS1
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.000565 (86/152190) while in subpopulation AMR AF= 0.00294 (45/15286). AF 95% confidence interval is 0.00226. There are 0 homozygotes in gnomad4. There are 46 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
POMGNT2NM_032806.6 linkuse as main transcriptc.561C>T p.His187= synonymous_variant 2/2 ENST00000344697.3
POMGNT2XM_005265515.4 linkuse as main transcriptc.561C>T p.His187= synonymous_variant 3/3
POMGNT2XM_011534163.3 linkuse as main transcriptc.561C>T p.His187= synonymous_variant 3/3
POMGNT2XM_017007353.2 linkuse as main transcriptc.561C>T p.His187= synonymous_variant 4/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
POMGNT2ENST00000344697.3 linkuse as main transcriptc.561C>T p.His187= synonymous_variant 2/21 NM_032806.6 P1

Frequencies

GnomAD3 genomes
AF:
0.000565
AC:
86
AN:
152190
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000145
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00294
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:
0.000441
Gnomad OTH
AF:
0.00239
GnomAD3 exomes
AF:
0.000390
AC:
98
AN:
251094
Hom.:
0
AF XY:
0.000368
AC XY:
50
AN XY:
135736
show subpopulations
Gnomad AFR exome
AF:
0.0000616
Gnomad AMR exome
AF:
0.00104
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.000520
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000623
AC:
911
AN:
1461808
Hom.:
1
Cov.:
37
AF XY:
0.000583
AC XY:
424
AN XY:
727210
show subpopulations
Gnomad4 AFR exome
AF:
0.000119
Gnomad4 AMR exome
AF:
0.00123
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000562
Gnomad4 NFE exome
AF:
0.000724
Gnomad4 OTH exome
AF:
0.000712
GnomAD4 genome
AF:
0.000565
AC:
86
AN:
152190
Hom.:
0
Cov.:
33
AF XY:
0.000619
AC XY:
46
AN XY:
74336
show subpopulations
Gnomad4 AFR
AF:
0.000145
Gnomad4 AMR
AF:
0.00294
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000441
Gnomad4 OTH
AF:
0.00239
Alfa
AF:
0.000229
Hom.:
0
Bravo
AF:
0.000937
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000436
EpiControl
AF:
0.000415

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:4
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not specified Uncertain:1Benign:2
Uncertain significance, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoAug 13, 2015- -
Likely benign, criteria provided, single submitterclinical testingGeneDxJan 05, 2018This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 8 Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 25, 2024- -
not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenNov 01, 2022POMGNT2: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.83
CADD
Benign
0.45
DANN
Benign
0.56
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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: rs147429438; hg19: chr3-43122363; COSMIC: COSV60953740; API