Genetic Variant MGAT5:c.*5911G>T (chr2-134454758-G-T) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_002410.5(MGAT5):c.*5911G>T variant causes a downstream gene change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.548 in 151,962 control chromosomes in the GnomAD database, including 25,267 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.55 ( 25263 hom., cov: 31)

Exomes 𝑓: 0.50 ( 4 hom. )

Consequence

MGAT5
NM_002410.5 downstream_gene

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -4.94

Publications

10 publications found

Variant links:

Genes affected

MGAT5 (HGNC:7049): (alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase) The protein encoded by this gene belongs to the glycosyltransferase family. It catalyzes the addition of beta-1,6-N-acetylglucosamine to the alpha-linked mannose of biantennary N-linked oligosaccharides present on the newly synthesized glycoproteins. It is one of the most important enzymes involved in the regulation of the biosynthesis of glycoprotein oligosaccharides. Alterations of the oligosaccharides on cell surface glycoproteins cause significant changes in the adhesive or migratory behavior of a cell. Increase in the activity of this enzyme has been correlated with the progression of invasive malignancies. [provided by RefSeq, Oct 2011]

MGAT5 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.91).

BA1

GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.95 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MGAT5	NM_002410.5 link	c.*5911G>T		downstream_gene_variant		ENST00000281923.4	NP_002401.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MGAT5	ENST00000281923.4 link	c.*5911G>T		downstream_gene_variant		1	NM_002410.5	ENSP00000281923.2
MGAT5	ENST00000409645.5 link	c.*5911G>T		downstream_gene_variant		5		ENSP00000386377.1

Frequencies

GnomAD3 genomes

AF:

0.547

AC:

83103

AN:

151812

Hom.:

25192

Cov.:

show subpopulations

Gnomad AFR

AF:

0.723

Gnomad AMI

AF:

0.371

Gnomad AMR

AF:

0.635

Gnomad ASJ

AF:

0.590

Gnomad EAS

AF:

0.973

Gnomad SAS

AF:

0.764

Gnomad FIN

AF:

0.360

Gnomad MID

AF:

0.713

Gnomad NFE

AF:

0.402

Gnomad OTH

AF:

0.559

GnomAD4 exome

AF:

0.500

AC:

AN:

Hom.:

AF XY:

0.500

AC XY:

AN XY:

show subpopulations

African (AFR)

AC:

AN:

American (AMR)

AC:

AN:

Ashkenazi Jewish (ASJ)

AC:

AN:

East Asian (EAS)

AC:

AN:

South Asian (SAS)

AC:

AN:

European-Finnish (FIN)

AF:

0.500

AC:

AN:

Middle Eastern (MID)

AC:

AN:

European-Non Finnish (NFE)

AF:

0.545

AC:

AN:

Other (OTH)

AF:

0.00

AC:

AN:

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.518

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome 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

GnomAD4 genome

AF:

0.548

AC:

83236

AN:

151932

Hom.:

25263

Cov.:

AF XY:

0.555

AC XY:

41250

AN XY:

74266

show subpopulations

African (AFR)

AF:

0.723

AC:

29937

AN:

41384

American (AMR)

AF:

0.636

AC:

9717

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.590

AC:

2048

AN:

3470

East Asian (EAS)

AF:

0.973

AC:

5024

AN:

5166

South Asian (SAS)

AF:

0.765

AC:

3690

AN:

4822

European-Finnish (FIN)

AF:

0.360

AC:

3798

AN:

10550

Middle Eastern (MID)

AF:

0.711

AC:

209

AN:

294

European-Non Finnish (NFE)

AF:

0.402

AC:

27286

AN:

67942

Other (OTH)

AF:

0.565

AC:

1189

AN:

2106

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

1700

3399

5099

6798

8498

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

694

1388

2082

2776

3470

<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:

0.461

Hom.:

57524

Bravo

AF:

0.577

Asia WGS

AF:

0.854

AC:

2968

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.91

CADD

Benign

0.0040

(source)

DANN

Benign

0.60

PhyloP100

-4.9

Splicing

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

Computational scores

Splicing

Publications

Other links and lift over