Genetic Variant MAGEF1:p.Glu155_Glu158dup (chr3-184711345-A-ATCCTCCTCCTCC) – ACMG Classification: Likely_benign (-1 pts)

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP3

The NM_022149.5(MAGEF1):c.465_476dupGGAGGAGGAGGA(p.Glu155_Glu158dup) variant causes a disruptive inframe insertion change involving the alteration of a non-conserved nucleotide. It is difficult to determine the true allele frequency of this variant because it is of type INS_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 0)

Exomes 𝑓: 0.0000056 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

MAGEF1
NM_022149.5 disruptive_inframe_insertion

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.156

Publications

12 publications found

Variant links:

Genes affected

MAGEF1 (HGNC:29639): (MAGE family member F1) This intronless gene encodes a member of the MAGE superfamily. It is ubiquitously expressed in normal tissues and in tumor cells. This gene includes a microsatellite repeat in the coding region. [provided by RefSeq, Jul 2008]

MAGEF1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

BP3

Nonframeshift variant in repetitive region in NM_022149.5

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MAGEF1	NM_022149.5 link	c.465_476dupGGAGGAGGAGGA	p.Glu155_Glu158dup	disruptive_inframe_insertion	Exon 1 of 1	ENST00000317897.5	NP_071432.2	Q9HAY2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MAGEF1	ENST00000317897.5 link	c.465_476dupGGAGGAGGAGGA	p.Glu155_Glu158dup	disruptive_inframe_insertion	Exon 1 of 1	6	NM_022149.5	ENSP00000315064.3		Q9HAY2

Frequencies

GnomAD3 genomes

AF:

0.00000665

AC:

AN:

150448

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000245

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00000565

AC:

AN:

1417032

Hom.:

Cov.:

AF XY:

0.00000425

AC XY:

AN XY:

705690

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33008

American (AMR)

AF:

0.00

AC:

AN:

44324

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25602

East Asian (EAS)

AF:

0.00

AC:

AN:

39552

South Asian (SAS)

AF:

0.00

AC:

AN:

84684

European-Finnish (FIN)

AF:

0.0000196

AC:

AN:

50980

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5684

European-Non Finnish (NFE)

AF:

0.00000652

AC:

AN:

1074246

Other (OTH)

AF:

0.00

AC:

AN:

58952

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.381

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

AF:

0.00000665

AC:

AN:

150448

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73408

show subpopulations

African (AFR)

AF:

0.0000245

AC:

AN:

40870

American (AMR)

AF:

0.00

AC:

AN:

15146

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3454

East Asian (EAS)

AF:

0.00

AC:

AN:

5108

South Asian (SAS)

AF:

0.00

AC:

AN:

4744

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10348

Middle Eastern (MID)

AF:

0.00

AC:

AN:

308

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67488

Other (OTH)

AF:

0.00

AC:

AN:

2076

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

Alfa

AF:

0.00

Hom.:

3040

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.16

Mutation Taster

=82/18

polymorphism (auto)

(source)

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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3-184711345-ATCCTCCTCCTCC-ATCCTCCTCCTCCTCCTCCTCCTCC

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