rs34083889

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_032806.6(POMGNT2):c.1385G>T(p.Arg462Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00234 in 1,613,812 control chromosomes in the GnomAD database, including 64 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R462Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.013 ( 33 hom., cov: 33)

Exomes 𝑓: 0.0013 ( 31 hom. )

Consequence

POMGNT2
NM_032806.6 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 1.74

Publications

1 publications found

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]

POMGNT2 Gene-Disease associations (from GenCC):

muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 8
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
myopathy caused by variation in POMGNT2
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
muscular dystrophy-dystroglycanopathy, type A
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

POMGNT2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.004484147).

BP6

Variant 3-43080047-C-A is Benign according to our data. Variant chr3-43080047-C-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 377356.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 = 0.0127 (1930/152304) while in subpopulation AFR AF = 0.0438 (1821/41550). AF 95% confidence interval is 0.0422. There are 33 homozygotes in GnomAd4. There are 912 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 33 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein
POMGNT2	NM_032806.6 link	c.1385G>T	p.Arg462Leu	missense_variant	Exon 2 of 2	ENST00000344697.3	NP_116195.2
POMGNT2	NM_001437285.1 link	c.1385G>T	p.Arg462Leu	missense_variant	Exon 3 of 3		NP_001424214.1
POMGNT2	XM_011534163.3 link	c.1385G>T	p.Arg462Leu	missense_variant	Exon 3 of 3		XP_011532465.1
POMGNT2	XM_017007353.2 link	c.1385G>T	p.Arg462Leu	missense_variant	Exon 4 of 4		XP_016862842.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
POMGNT2	ENST00000344697.3 link	c.1385G>T	p.Arg462Leu	missense_variant	Exon 2 of 2	1	NM_032806.6	ENSP00000344125.2

Frequencies

GnomAD3 genomes

AF:

0.0127

AC:

1930

AN:

152188

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0440

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00510

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.000132

Gnomad OTH

AF:

0.00908

GnomAD2 exomes

AF:

0.00337

AC:

846

AN:

250758

AF XY:

0.00258

show subpopulations

Gnomad AFR exome

AF:

0.0437

Gnomad AMR exome

AF:

0.00330

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000883

Gnomad OTH exome

AF:

0.00262

GnomAD4 exome

AF:

0.00127

AC:

1854

AN:

1461508

Hom.:

Cov.:

AF XY:

0.00109

AC XY:

792

AN XY:

727076

show subpopulations

African (AFR)

AF:

0.0441

AC:

1478

AN:

33480

American (AMR)

AF:

0.00367

AC:

164

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000812

AC:

AN:

86244

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53084

Middle Eastern (MID)

AF:

0.00191

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000378

AC:

AN:

1111980

Other (OTH)

AF:

0.00252

AC:

152

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.486

Heterozygous variant carriers

119

238

358

477

596

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

104

156

208

260

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0127

AC:

1930

AN:

152304

Hom.:

Cov.:

AF XY:

0.0122

AC XY:

912

AN XY:

74468

show subpopulations

African (AFR)

AF:

0.0438

AC:

1821

AN:

41550

American (AMR)

AF:

0.00509

AC:

AN:

15310

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5168

South Asian (SAS)

AF:

0.000207

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000132

AC:

AN:

68036

Other (OTH)

AF:

0.00899

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

188

281

375

469

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

110

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00418

Hom.:

Bravo

AF:

0.0147

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ESP6500AA

AF:

0.0422

AC:

186

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.00429

AC:

521

Asia WGS

AF:

0.00173

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:5

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Jan 13, 2017

Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Benign:1

Aug 10, 2016

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This 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. -

Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 8

Benign:1

Feb 02, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 8;C4748320:Muscular dystrophy-dystroglycanopathy (limb-girdle), type C, 8

Benign:1

Aug 17, 2021

Fulgent Genetics, Fulgent Genetics

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

0.20

BayesDel_addAF

Benign

-0.38

BayesDel_noAF

Benign

-0.29

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.074

T;T

Eigen

Uncertain

0.30

Eigen_PC

Uncertain

0.38

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.86

.;D

MetaRNN

Benign

0.0045

T;T

MetaSVM

Benign

-0.76

MutationAssessor

Uncertain

2.6

M;M

PhyloP100

1.7

PrimateAI

Benign

0.31

PROVEAN

Uncertain

-2.5

D;D

REVEL

Uncertain

0.29

Sift

Uncertain

0.0080

D;D

Sift4G

Uncertain

0.046

D;D

Polyphen

0.65

P;P

Vest4

0.62

MVP

0.82

MPC

0.42

ClinPred

0.013

GERP RS

5.5

Varity_R

0.20

gMVP

0.78

Mutation Taster

=74/26

polymorphism

(source)

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over