Genetic Variant MGAT4C:p.Met418Val (chr12-85979474-T-C) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001351288.2(MGAT4C):c.1252A>G(p.Met418Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000135 in 1,613,368 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. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00014 ( 0 hom. )

Consequence

MGAT4C
NM_001351288.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.185

Publications

3 publications found

Variant links:

Genes affected

MGAT4C (HGNC:30871): (MGAT4 family member C) Predicted to enable acetylglucosaminyltransferase activity. Predicted to be involved in protein N-linked glycosylation. Predicted to be located in Golgi membrane. [provided by Alliance of Genome Resources, Apr 2022]

MGAT4C links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0385949).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001351288.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MGAT4C	NM_001351288.2	MANE Select	c.1252A>G	p.Met418Val	missense	Exon 5 of 5	NP_001338217.1	Q9UBM8-1
MGAT4C	NM_001351282.2		c.1366A>G	p.Met456Val	missense	Exon 6 of 6	NP_001338211.1
MGAT4C	NM_001351283.2		c.1339A>G	p.Met447Val	missense	Exon 6 of 6	NP_001338212.1	Q9UBM8-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MGAT4C	ENST00000611864.5	TSL:5 MANE Select	c.1252A>G	p.Met418Val	missense	Exon 5 of 5	ENSP00000481096.1	Q9UBM8-1
MGAT4C	ENST00000621808.5	TSL:1	c.1252A>G	p.Met418Val	missense	Exon 9 of 9	ENSP00000478300.1	Q9UBM8-1
MGAT4C	ENST00000548651.6	TSL:5	c.1252A>G	p.Met418Val	missense	Exon 8 of 8	ENSP00000447253.1	Q9UBM8-1

Frequencies

GnomAD3 genomes

AF:

0.0000921

AC:

AN:

151996

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

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:

0.000177

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000718

AC:

AN:

250704

AF XY:

0.0000590

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:

0.000133

Gnomad OTH exome

AF:

0.000491

GnomAD4 exome

AF:

0.000139

AC:

203

AN:

1461372

Hom.:

Cov.:

AF XY:

0.000120

AC XY:

AN XY:

726988

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33464

American (AMR)

AF:

0.00

AC:

AN:

44690

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39670

South Asian (SAS)

AF:

0.00

AC:

AN:

86240

European-Finnish (FIN)

AF:

0.0000938

AC:

AN:

53300

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.000175

AC:

195

AN:

1111734

Other (OTH)

AF:

0.0000497

AC:

AN:

60382

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

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:

0.0000921

AC:

AN:

151996

Hom.:

Cov.:

AF XY:

0.000108

AC XY:

AN XY:

74258

show subpopulations

African (AFR)

AF:

0.0000483

AC:

AN:

41444

American (AMR)

AF:

0.00

AC:

AN:

15238

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000177

AC:

AN:

67894

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.521

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.000185

Hom.:

Bravo

AF:

0.0000831

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000741

AC:

EpiCase

AF:

0.000327

EpiControl

AF:

0.000356

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.057

BayesDel_addAF

Benign

-0.57

BayesDel_noAF

Benign

-0.80

CADD

Benign

0.0020

(source)

DANN

Benign

0.30

DEOGEN2

Benign

0.077

Eigen

Benign

-1.7

Eigen_PC

Benign

-1.6

FATHMM_MKL

Benign

0.047

M_CAP

Benign

0.0037

MetaRNN

Benign

0.039

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-2.1

PhyloP100

-0.18

PrimateAI

Benign

0.25

PROVEAN

Benign

0.38

REVEL

Benign

0.0060

Sift

Benign

1.0

Sift4G

Benign

1.0

Polyphen

0.0

Vest4

0.015

MVP

0.030

ClinPred

0.033

GERP RS

-3.2

Varity_R

0.036

gMVP

0.14

Mutation Taster

=93/7

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over