rs138980930

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 2P and 16B. PM2BP4_StrongBP6_Very_StrongBS1

The NM_032806.6(POMGNT2):​c.674G>A​(p.Arg225Gln) variant causes a missense change. The variant allele was found at a frequency of 0.000369 in 1,614,078 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0019 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00021 ( 0 hom. )

Consequence

POMGNT2
NM_032806.6 missense

Scores

3
16

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 4.56
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 -14 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.0106779635).
BP6
Variant 3-43080758-C-T is Benign according to our data. Variant chr3-43080758-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 262108.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00188 (287/152296) while in subpopulation AFR AF= 0.00654 (272/41562). AF 95% confidence interval is 0.00591. There are 0 homozygotes in gnomad4. There are 130 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
POMGNT2NM_032806.6 linkc.674G>A p.Arg225Gln missense_variant Exon 2 of 2 ENST00000344697.3 NP_116195.2 Q8NAT1A0A024R2P4
POMGNT2XM_005265515.4 linkc.674G>A p.Arg225Gln missense_variant Exon 3 of 3 XP_005265572.1 Q8NAT1A0A024R2P4
POMGNT2XM_011534163.3 linkc.674G>A p.Arg225Gln missense_variant Exon 3 of 3 XP_011532465.1 Q8NAT1A0A024R2P4
POMGNT2XM_017007353.2 linkc.674G>A p.Arg225Gln missense_variant Exon 4 of 4 XP_016862842.1 Q8NAT1A0A024R2P4

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
POMGNT2ENST00000344697.3 linkc.674G>A p.Arg225Gln missense_variant Exon 2 of 2 1 NM_032806.6 ENSP00000344125.2 Q8NAT1

Frequencies

GnomAD3 genomes
AF:
0.00188
AC:
286
AN:
152178
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00654
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000523
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000282
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000538
AC:
135
AN:
250876
Hom.:
1
AF XY:
0.000368
AC XY:
50
AN XY:
135690
show subpopulations
Gnomad AFR exome
AF:
0.00608
Gnomad AMR exome
AF:
0.000318
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.000261
Gnomad FIN exome
AF:
0.000508
Gnomad NFE exome
AF:
0.0000529
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000211
AC:
308
AN:
1461782
Hom.:
0
Cov.:
37
AF XY:
0.000184
AC XY:
134
AN XY:
727192
show subpopulations
Gnomad4 AFR exome
AF:
0.00612
Gnomad4 AMR exome
AF:
0.000246
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000126
Gnomad4 SAS exome
AF:
0.000162
Gnomad4 FIN exome
AF:
0.000506
Gnomad4 NFE exome
AF:
0.0000243
Gnomad4 OTH exome
AF:
0.000298
GnomAD4 genome
AF:
0.00188
AC:
287
AN:
152296
Hom.:
0
Cov.:
33
AF XY:
0.00175
AC XY:
130
AN XY:
74482
show subpopulations
Gnomad4 AFR
AF:
0.00654
Gnomad4 AMR
AF:
0.000523
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000282
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000379
Hom.:
0
Bravo
AF:
0.00219
ESP6500AA
AF:
0.00635
AC:
28
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000708
AC:
86
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:1
-
PreventionGenetics, part of Exact Sciences
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 8 Benign:1
Jan 18, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:1
Jun 05, 2020
GeneDx
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.083
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.30
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.11
T;T
Eigen
Benign
-0.14
Eigen_PC
Benign
0.049
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Uncertain
0.89
.;D
M_CAP
Benign
0.024
T
MetaRNN
Benign
0.011
T;T
MetaSVM
Benign
-0.76
T
MutationAssessor
Benign
1.4
L;L
PrimateAI
Benign
0.38
T
PROVEAN
Benign
0.33
N;N
REVEL
Benign
0.15
Sift
Benign
0.40
T;T
Sift4G
Benign
0.42
T;T
Polyphen
0.13
B;B
Vest4
0.35
MVP
0.70
MPC
0.62
ClinPred
0.016
T
GERP RS
4.8
Varity_R
0.10
gMVP
0.55

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: rs138980930; hg19: chr3-43122250; API