chr3-49357605-G-A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_000581.4(GPX1):​c.395C>T​(p.Ala132Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000221 in 1,613,118 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 31)
Exomes 𝑓: 0.00023 ( 0 hom. )

Consequence

GPX1
NM_000581.4 missense

Scores

2
15

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 3.53

Publications

4 publications found
Variant links:
Genes affected
GPX1 (HGNC:4553): (glutathione peroxidase 1) The protein encoded by this gene belongs to the glutathione peroxidase family, members of which catalyze the reduction of organic hydroperoxides and hydrogen peroxide (H2O2) by glutathione, and thereby protect cells against oxidative damage. Other studies indicate that H2O2 is also essential for growth-factor mediated signal transduction, mitochondrial function, and maintenance of thiol redox-balance; therefore, by limiting H2O2 accumulation, glutathione peroxidases are also involved in modulating these processes. Several isozymes of this gene family exist in vertebrates, which vary in cellular location and substrate specificity. This isozyme is the most abundant, is ubiquitously expressed and localized in the cytoplasm, and whose preferred substrate is hydrogen peroxide. It is also a selenoprotein, containing the rare amino acid selenocysteine (Sec) at its active site. Sec is encoded by the UGA codon, which normally signals translation termination. The 3' UTRs of selenoprotein mRNAs contain a conserved stem-loop structure, designated the Sec insertion sequence (SECIS) element, that is necessary for the recognition of UGA as a Sec codon, rather than as a stop signal. This gene contains an in-frame GCG trinucleotide repeat in the coding region, and three alleles with 4, 5 or 6 repeats have been found in the human population. The allele with 4 GCG repeats has been significantly associated with breast cancer risk in premenopausal women. Alternatively spliced transcript variants have been found for this gene. Pseudogenes of this locus have been identified on chromosomes X and 21. [provided by RefSeq, Aug 2017]

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.082586974).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000581.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GPX1
NM_000581.4
MANE Select
c.395C>Tp.Ala132Val
missense
Exon 2 of 2NP_000572.2
GPX1
NM_001329455.2
c.257C>Tp.Ala86Val
missense
Exon 2 of 2NP_001316384.1A0A2R8Y6B6
GPX1
NM_001329503.2
c.414C>Tp.Gly138Gly
synonymous
Exon 2 of 2NP_001316432.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GPX1
ENST00000419783.3
TSL:1 MANE Select
c.395C>Tp.Ala132Val
missense
Exon 2 of 2ENSP00000407375.1P07203-1
ENSG00000290318
ENST00000704381.1
c.*115C>T
3_prime_UTR
Exon 6 of 6ENSP00000515884.1A0A994J514
GPX1
ENST00000703795.1
c.392C>Tp.Ala131Val
missense
Exon 2 of 2ENSP00000515480.1A0A994J430

Frequencies

GnomAD3 genomes
AF:
0.000184
AC:
28
AN:
152156
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000459
Gnomad ASJ
AF:
0.00173
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000191
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000136
AC:
34
AN:
249118
AF XY:
0.000140
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.000497
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000928
Gnomad NFE exome
AF:
0.000204
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000225
AC:
329
AN:
1460962
Hom.:
0
Cov.:
35
AF XY:
0.000198
AC XY:
144
AN XY:
726814
show subpopulations
African (AFR)
AF:
0.0000897
AC:
3
AN:
33454
American (AMR)
AF:
0.0000895
AC:
4
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.000344
AC:
9
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86224
European-Finnish (FIN)
AF:
0.0000938
AC:
5
AN:
53328
Middle Eastern (MID)
AF:
0.000192
AC:
1
AN:
5208
European-Non Finnish (NFE)
AF:
0.000265
AC:
295
AN:
1111882
Other (OTH)
AF:
0.000199
AC:
12
AN:
60318
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.490
Heterozygous variant carriers
0
22
43
65
86
108
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
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:
0.000184
AC:
28
AN:
152156
Hom.:
0
Cov.:
31
AF XY:
0.000202
AC XY:
15
AN XY:
74328
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41440
American (AMR)
AF:
0.000459
AC:
7
AN:
15264
Ashkenazi Jewish (ASJ)
AF:
0.00173
AC:
6
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5170
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.0000942
AC:
1
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000191
AC:
13
AN:
68040
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
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:
0.000237
Hom.:
0
Bravo
AF:
0.000136
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000239
AC:
2
ExAC
AF:
0.000116
AC:
14
EpiCase
AF:
0.000491
EpiControl
AF:
0.000415

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Gluthathione peroxidase deficiency (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.48
T
BayesDel_noAF
Benign
-0.65
CADD
Benign
20
DANN
Uncertain
1.0
DEOGEN2
Benign
0.12
T
Eigen
Benign
-0.087
Eigen_PC
Benign
0.036
FATHMM_MKL
Uncertain
0.80
D
LIST_S2
Benign
0.76
T
MetaRNN
Benign
0.083
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.8
L
PhyloP100
3.5
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-1.7
N
REVEL
Benign
0.056
Sift
Benign
0.18
T
Sift4G
Benign
0.069
T
Polyphen
0.0010
B
Vest4
0.091
MVP
0.57
MPC
0.64
ClinPred
0.12
T
GERP RS
4.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.062
Mutation Taster
=99/1
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: rs201091540; hg19: chr3-49395038; API