Genetic Variant OGG1:p.Ala288Gly (chr3-9756586-C-G) – 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_002542.6(OGG1):c.863C>G(p.Ala288Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,854 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.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

OGG1
NM_002542.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.46

Publications

27 publications found

Variant links:

Genes affected

OGG1 (HGNC:8125): (8-oxoguanine DNA glycosylase) This gene encodes the enzyme responsible for the excision of 8-oxoguanine, a mutagenic base byproduct which occurs as a result of exposure to reactive oxygen. The action of this enzyme includes lyase activity for chain cleavage. Alternative splicing of the C-terminal region of this gene classifies splice variants into two major groups, type 1 and type 2, depending on the last exon of the sequence. Type 1 alternative splice variants end with exon 7 and type 2 end with exon 8. All variants share the N-terminal region in common, which contains a mitochondrial targeting signal that is essential for mitochondrial localization. Many alternative splice variants for this gene have been described, but the full-length nature for every variant has not been determined. [provided by RefSeq, Aug 2008]

OGG1 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=0.19442117).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OGG1	NM_002542.6 link	c.863C>G	p.Ala288Gly	missense_variant	Exon 5 of 7	ENST00000344629.12	NP_002533.1	O15527-1E5KPN1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
OGG1	ENST00000344629.12 link	c.863C>G	p.Ala288Gly	missense_variant	Exon 5 of 7	1	NM_002542.6	ENSP00000342851.7		O15527-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251380

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461854

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727220

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

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:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111984

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.084

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.50

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.037

.;T;.;.;.;.

Eigen

Benign

-0.18

Eigen_PC

Benign

-0.16

FATHMM_MKL

Benign

0.64

LIST_S2

Benign

0.67

T;T;T;T;T;T

M_CAP

Benign

0.019

MetaRNN

Benign

0.19

T;T;T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.2

L;L;L;L;L;L

PhyloP100

1.5

PrimateAI

Benign

0.35

PROVEAN

Benign

0.020

N;N;N;N;N;N

REVEL

Benign

0.077

Sift

Benign

0.35

T;T;T;T;T;T

Sift4G

Benign

0.32

T;T;T;T;T;T

Polyphen

0.0

B;B;.;B;.;.

Vest4

0.084

MutPred

0.33

Loss of glycosylation at T284 (P = 0.0266);Loss of glycosylation at T284 (P = 0.0266);Loss of glycosylation at T284 (P = 0.0266);Loss of glycosylation at T284 (P = 0.0266);Loss of glycosylation at T284 (P = 0.0266);Loss of glycosylation at T284 (P = 0.0266);

MVP

0.72

MPC

0.099

ClinPred

0.11

GERP RS

3.0

Varity_R

0.14

gMVP

0.11

Mutation Taster

=88/12

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over