rs184209905

Variant names:

Variant summary

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

The NM_006302.3(MOGS):c.881C>T(p.Pro294Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000578 in 1,613,892 control chromosomes in the GnomAD database, including 7 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict 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. P294A) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0029 ( 4 hom., cov: 33)

Exomes 𝑓: 0.00034 ( 3 hom. )

Consequence

MOGS
NM_006302.3 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 2.26

Publications

3 publications found

Variant links:

Genes affected

MOGS (HGNC:24862): (mannosyl-oligosaccharide glucosidase) This gene encodes the first enzyme in the N-linked oligosaccharide processing pathway. The enzyme cleaves the distal alpha-1,2-linked glucose residue from the Glc(3)-Man(9)-GlcNAc(2) oligosaccharide precursor. This protein is located in the lumen of the endoplasmic reticulum. Defects in this gene are a cause of type IIb congenital disorder of glycosylation (CDGIIb). Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]

MOGS Gene-Disease associations (from GenCC):

MOGS-congenital disorder of glycosylation
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, G2P, Orphanet, PanelApp Australia, ClinGen, Labcorp Genetics (formerly Invitae)

MOGS 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=0.0114937425).

BP6

Variant 2-74462908-G-A is Benign according to our data. Variant chr2-74462908-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 235622.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 = 0.0029 (442/152342) while in subpopulation AFR AF = 0.0101 (420/41594). AF 95% confidence interval is 0.0093. There are 4 homozygotes in GnomAd4. There are 207 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 4 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MOGS	NM_006302.3 link	c.881C>T	p.Pro294Leu	missense_variant	Exon 4 of 4	ENST00000448666.7	NP_006293.2
MOGS	NM_001146158.2 link	c.563C>T	p.Pro188Leu	missense_variant	Exon 5 of 5		NP_001139630.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MOGS	ENST00000448666.7 link	c.881C>T	p.Pro294Leu	missense_variant	Exon 4 of 4	1	NM_006302.3	ENSP00000410992.3

Frequencies

GnomAD3 genomes

AF:

0.00290

AC:

442

AN:

152224

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0101

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00124

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:

0.0000294

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.000675

AC:

168

AN:

249036

AF XY:

0.000488

show subpopulations

Gnomad AFR exome

AF:

0.00983

Gnomad AMR exome

AF:

0.000377

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000177

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000336

AC:

491

AN:

1461550

Hom.:

Cov.:

AF XY:

0.000281

AC XY:

204

AN XY:

727090

show subpopulations

African (AFR)

AF:

0.0122

AC:

410

AN:

33476

American (AMR)

AF:

0.000335

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86230

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53156

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000126

AC:

AN:

1111972

Other (OTH)

AF:

0.000828

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.477

Heterozygous variant carriers

106

141

176

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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:

0.00290

AC:

442

AN:

152342

Hom.:

Cov.:

AF XY:

0.00278

AC XY:

207

AN XY:

74502

show subpopulations

African (AFR)

AF:

0.0101

AC:

420

AN:

41594

American (AMR)

AF:

0.00124

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68020

Other (OTH)

AF:

0.000473

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

108

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<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:

0.00108

Hom.:

Bravo

AF:

0.00364

ESP6500AA

AF:

0.00742

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000877

AC:

106

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Aug 29, 2017

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

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

not specified

Benign:1

Dec 09, 2016

GeneDx

Significance:Likely 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. -

MOGS-congenital disorder of glycosylation

Benign:1

Feb 02, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.46

CADD

Benign

(source)

DANN

Benign

0.91

DEOGEN2

Benign

0.0073

T;T;.;.;.;.

Eigen

Benign

-0.27

Eigen_PC

Benign

-0.12

FATHMM_MKL

Benign

0.63

LIST_S2

Benign

0.81

.;T;.;T;T;T

MetaRNN

Benign

0.011

T;T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.61

N;N;.;.;.;.

PhyloP100

2.3

PrimateAI

Uncertain

0.52

PROVEAN

Benign

-0.75

.;N;.;.;N;.

REVEL

Benign

0.032

Sift

Benign

0.068

.;T;.;.;T;.

Sift4G

Benign

0.27

.;T;.;.;T;.

Polyphen

0.0030

B;B;.;.;.;.

Vest4

0.26, 0.28

MVP

0.46

MPC

0.28

ClinPred

0.011

GERP RS

4.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.068

gMVP

0.63

Mutation Taster

=91/9

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

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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