X-30250960-G-A

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_177404.3(MAGEB1):​c.467G>A​(p.Arg156His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000256 in 1,209,814 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 12 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R156L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000062 ( 0 hom., 2 hem., cov: 24)
Exomes 𝑓: 0.000022 ( 0 hom. 10 hem. )

Consequence

MAGEB1
NM_177404.3 missense

Scores

17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.185

Publications

1 publications found
Variant links:
Genes affected
MAGEB1 (HGNC:6808): (MAGE family member B1) This gene is a member of the MAGEB gene family. The members of this family have their entire coding sequences located in the last exon, and the encoded proteins show 50 to 68% sequence identity to each other. The promoters and first exons of the MAGEB genes show considerable variability, suggesting that the existence of this gene family enables the same function to be expressed under different transcriptional controls. This gene is localized in the DSS (dosage-sensitive sex reversal) critical region, and expressed in testis and in a significant fraction of tumors of various histological types. This gene and other MAGEB members are clustered on chromosome Xp22-p21. Multiple alternatively spliced transcript variants encoding the same protein have been found for this gene, however, the full length nature of some variants has not been defined. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.04433748).
BS2
High Hemizygotes in GnomAd4 at 2 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MAGEB1NM_177404.3 linkc.467G>A p.Arg156His missense_variant Exon 2 of 2 ENST00000397548.4 NP_796379.1 P43366
MAGEB1NM_002363.5 linkc.467G>A p.Arg156His missense_variant Exon 4 of 4 NP_002354.2 P43366
MAGEB1NM_177415.3 linkc.467G>A p.Arg156His missense_variant Exon 3 of 3 NP_803134.1 P43366

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MAGEB1ENST00000397548.4 linkc.467G>A p.Arg156His missense_variant Exon 2 of 2 1 NM_177404.3 ENSP00000380681.2 P43366
MAGEB1ENST00000378981.8 linkc.467G>A p.Arg156His missense_variant Exon 4 of 4 1 ENSP00000368264.3 P43366
MAGEB1ENST00000397550.6 linkc.467G>A p.Arg156His missense_variant Exon 3 of 3 1 ENSP00000380683.1 P43366

Frequencies

GnomAD3 genomes
AF:
0.0000624
AC:
7
AN:
112218
Hom.:
0
Cov.:
24
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000280
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000113
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000219
AC:
4
AN:
182558
AF XY:
0.0000149
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000365
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000368
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000219
AC:
24
AN:
1097596
Hom.:
0
Cov.:
31
AF XY:
0.0000276
AC XY:
10
AN XY:
362964
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
26394
American (AMR)
AF:
0.0000284
AC:
1
AN:
35186
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19371
East Asian (EAS)
AF:
0.00
AC:
0
AN:
30194
South Asian (SAS)
AF:
0.0000185
AC:
1
AN:
54020
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
40510
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4137
European-Non Finnish (NFE)
AF:
0.0000249
AC:
21
AN:
841702
Other (OTH)
AF:
0.0000217
AC:
1
AN:
46082
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome 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
GnomAD4 genome
AF:
0.0000624
AC:
7
AN:
112218
Hom.:
0
Cov.:
24
AF XY:
0.0000582
AC XY:
2
AN XY:
34392
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
30893
American (AMR)
AF:
0.00
AC:
0
AN:
10662
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2649
East Asian (EAS)
AF:
0.000280
AC:
1
AN:
3572
South Asian (SAS)
AF:
0.00
AC:
0
AN:
2646
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
6138
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
239
European-Non Finnish (NFE)
AF:
0.000113
AC:
6
AN:
53216
Other (OTH)
AF:
0.00
AC:
0
AN:
1516
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.455
Heterozygous variant carriers
0
1
1
2
2
3
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:
0.00
Hom.:
0
Bravo
AF:
0.0000378
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000297
AC:
2
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Jun 16, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.467G>A (p.R156H) alteration is located in exon 4 (coding exon 1) of the MAGEB1 gene. This alteration results from a G to A substitution at nucleotide position 467, causing the arginine (R) at amino acid position 156 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.60
T
BayesDel_noAF
Benign
-0.98
CADD
Benign
2.6
DANN
Benign
0.13
DEOGEN2
Benign
0.0058
T;T;T
FATHMM_MKL
Benign
0.037
N
LIST_S2
Benign
0.12
.;T;.
M_CAP
Benign
0.0039
T
MetaRNN
Benign
0.044
T;T;T
MetaSVM
Benign
-0.94
T
MutationAssessor
Benign
0.27
N;N;N
PhyloP100
-0.18
PrimateAI
Benign
0.23
T
PROVEAN
Benign
-0.99
N;N;N
REVEL
Benign
0.037
Sift
Benign
1.0
T;T;T
Sift4G
Benign
0.78
T;T;T
Polyphen
0.24
B;B;B
Vest4
0.038
MVP
0.61
MPC
0.092
ClinPred
0.040
T
GERP RS
-1.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.12
gMVP
0.17
Mutation Taster
=100/0
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: rs373877042; hg19: chrX-30269077; COSMIC: COSV66775377; API