chrX-77895440-C-T

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The ENST00000358075.11(MAGT1):​c.-30G>A variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00066 in 1,204,182 control chromosomes in the GnomAD database, including 2 homozygotes. There are 252 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00049 ( 1 hom., 14 hem., cov: 24)
Exomes 𝑓: 0.00068 ( 1 hom. 238 hem. )

Consequence

MAGT1
ENST00000358075.11 5_prime_UTR

Scores

1
15

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 2.04

Publications

1 publications found
Variant links:
Genes affected
MAGT1 (HGNC:28880): (magnesium transporter 1) This gene encodes a ubiquitously expressed magnesium cation transporter protein that localizes to the cell membrane. This protein also associates with N-oligosaccharyl transferase and therefore may have a role in N-glycosylation. Mutations in this gene cause a form of X-linked intellectual disability (XLID). This gene may have multiple in-frame translation initiation sites, one of which would encode a shorter protein with an N-terminus containing a signal peptide at amino acids 1-29. [provided by RefSeq, Jul 2017]
MAGT1 Gene-Disease associations (from GenCC):
  • X-linked immunodeficiency with magnesium defect, Epstein-Barr virus infection and neoplasia
    Inheritance: Unknown, XL Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)
  • intellectual disability, X-linked 95
    Inheritance: XL Classification: LIMITED Submitted by: G2P
  • X-linked intellectual disability
    Inheritance: XL Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.016403139).
BP6
Variant X-77895440-C-T is Benign according to our data. Variant chrX-77895440-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 445825.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High Hemizygotes in GnomAd4 at 14 XL,Unknown gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MAGT1NM_032121.5 linkc.67G>A p.Val23Ile missense_variant Exon 1 of 10 NP_115497.4
MAGT1NM_001367916.1 linkc.-30G>A upstream_gene_variant ENST00000618282.5 NP_001354845.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MAGT1ENST00000618282.5 linkc.-30G>A upstream_gene_variant 1 NM_001367916.1 ENSP00000480732.1

Frequencies

GnomAD3 genomes
AF:
0.000488
AC:
55
AN:
112731
Hom.:
1
Cov.:
24
show subpopulations
Gnomad AFR
AF:
0.000161
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:
0.00162
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000750
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000677
AC:
114
AN:
168288
AF XY:
0.000599
show subpopulations
Gnomad AFR exome
AF:
0.000165
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00191
Gnomad NFE exome
AF:
0.00113
Gnomad OTH exome
AF:
0.000236
GnomAD4 exome
AF:
0.000678
AC:
740
AN:
1091398
Hom.:
1
Cov.:
31
AF XY:
0.000665
AC XY:
238
AN XY:
357678
show subpopulations
African (AFR)
AF:
0.0000761
AC:
2
AN:
26274
American (AMR)
AF:
0.00
AC:
0
AN:
34473
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19256
East Asian (EAS)
AF:
0.00
AC:
0
AN:
29937
South Asian (SAS)
AF:
0.0000188
AC:
1
AN:
53184
European-Finnish (FIN)
AF:
0.00219
AC:
88
AN:
40132
Middle Eastern (MID)
AF:
0.000242
AC:
1
AN:
4126
European-Non Finnish (NFE)
AF:
0.000706
AC:
592
AN:
838183
Other (OTH)
AF:
0.00122
AC:
56
AN:
45833
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.482
Heterozygous variant carriers
0
31
61
92
122
153
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<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:
0.000488
AC:
55
AN:
112784
Hom.:
1
Cov.:
24
AF XY:
0.000401
AC XY:
14
AN XY:
34934
show subpopulations
African (AFR)
AF:
0.000161
AC:
5
AN:
31139
American (AMR)
AF:
0.00
AC:
0
AN:
10696
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2659
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3585
South Asian (SAS)
AF:
0.00
AC:
0
AN:
2762
European-Finnish (FIN)
AF:
0.00162
AC:
10
AN:
6189
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
217
European-Non Finnish (NFE)
AF:
0.000750
AC:
40
AN:
53317
Other (OTH)
AF:
0.00
AC:
0
AN:
1537
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.504
Heterozygous variant carriers
0
3
6
10
13
16
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
2
4
6
8
10
<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:
0.000668
Hom.:
29
Bravo
AF:
0.000351
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000346
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000297
AC:
2
ExAC
AF:
0.000991
AC:
120

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Aug 16, 2017
Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Oct 01, 2022
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

MAGT1: BP4 -

MAGT1-related disorder Benign:1
Apr 08, 2021
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

X-linked immunodeficiency with magnesium defect, Epstein-Barr virus infection and neoplasia Benign:1
Dec 24, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.098
BayesDel_addAF
Benign
-0.66
T
BayesDel_noAF
Benign
-0.78
CADD
Benign
15
DANN
Uncertain
1.0
DEOGEN2
Benign
0.086
T;T
FATHMM_MKL
Benign
0.39
N
LIST_S2
Benign
0.49
.;T
M_CAP
Benign
0.0092
T
MetaRNN
Benign
0.016
T;T
MetaSVM
Benign
-1.0
T
PhyloP100
2.0
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-0.070
N;.
REVEL
Benign
0.079
Sift
Benign
0.24
T;.
Sift4G
Benign
0.16
T;T
Vest4
0.28
MVP
0.43
MPC
0.39
ClinPred
0.032
T
GERP RS
4.6
PromoterAI
-0.27
Neutral
gMVP
0.15
Mutation Taster
=283/17
polymorphism

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

Other links and lift over

dbSNP: rs182757967; hg19: chrX-77150937; API