Genetic Variant EOGT:p.Lys188Glu (chr3-69004436-T-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001278689.2(EOGT):c.562A>G(p.Lys188Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,836 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. K188L) has been classified as Benign.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

EOGT
NM_001278689.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.862

Publications

0 publications found

Variant links:

Genes affected

EOGT (HGNC:28526): (EGF domain specific O-linked N-acetylglucosamine transferase) This gene encodes an enzyme that acts in the lumen of the endoplasmic reticulum to catalyze the transfer of N-acetylglucosamine to serine or threonine residues of extracellular-targeted proteins. This enzyme modifies proteins containing eukaryotic growth factor (EGF)-like domains, including the Notch receptor, thereby regulating developmental signalling. Mutations in this gene have been observed in individuals with Adams-Oliver syndrome 4. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2015]

EOGT Gene-Disease associations (from GenCC):

Adams-Oliver syndrome 4
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
Adams-Oliver syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

EOGT links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.12548506).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EOGT	NM_001278689.2 link	c.562A>G	p.Lys188Glu	missense_variant	Exon 8 of 18	ENST00000383701.8	NP_001265618.1	Q5NDL2-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EOGT	ENST00000383701.8 link	c.562A>G	p.Lys188Glu	missense_variant	Exon 8 of 18	1	NM_001278689.2	ENSP00000373206.3		Q5NDL2-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1461836

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1111968

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.068

BayesDel_addAF

Benign

-0.32

BayesDel_noAF

Benign

-0.70

CADD

Benign

(source)

DANN

Benign

0.23

DEOGEN2

Benign

0.0095

T;.;T;.

Eigen

Benign

-1.4

Eigen_PC

Benign

-1.3

FATHMM_MKL

Uncertain

0.79

LIST_S2

Benign

0.54

.;.;T;T

M_CAP

Benign

0.0050

MetaRNN

Benign

0.13

T;T;T;T

MetaSVM

Benign

-0.91

MutationAssessor

Benign

1.3

L;L;L;L

PhyloP100

0.86

PrimateAI

Benign

0.28

PROVEAN

Benign

-0.57

N;N;.;.

REVEL

Benign

0.064

Sift

Benign

0.34

T;T;.;.

Sift4G

Benign

0.71

T;T;T;T

Polyphen

0.0030

B;B;B;B

Vest4

0.23

MutPred

0.57

Loss of methylation at K188 (P = 0.0127);Loss of methylation at K188 (P = 0.0127);Loss of methylation at K188 (P = 0.0127);Loss of methylation at K188 (P = 0.0127);

MVP

0.11

MPC

0.20

ClinPred

0.045

GERP RS

-0.90

Varity_R

0.036

gMVP

0.54

Mutation Taster

=91/9

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over