Genetic Variant XPO1:p.Ser1031Cys (chr2-61478944-G-C) – ACMG Classification: Uncertain_significance (5 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM1PM2PP2

The NM_003400.4(XPO1):c.3092C>G(p.Ser1031Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,461,374 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S1031F) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

XPO1
NM_003400.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.61

Publications

0 publications found

Variant links:

Genes affected

XPO1 (HGNC:12825): (exportin 1) This cell-cycle-regulated gene encodes a protein that mediates leucine-rich nuclear export signal (NES)-dependent protein transport. The protein specifically inhibits the nuclear export of Rev and U snRNAs. It is involved in the control of several cellular processes by controlling the localization of cyclin B, MPAK, and MAPKAP kinase 2. This protein also regulates NFAT and AP-1. [provided by RefSeq, Jan 2015]

XPO1 links:

USP34-DT (HGNC:55262): (USP34 divergent transcript)

USP34-DT links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

PM1

In a modified_residue Phosphoserine (size 0) in uniprot entity XPO1_HUMAN

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 3 curated pathogenic missense variants (we use a threshold of 10). The gene has 0 curated benign missense variants. Gene score misZ: 6.0107 (above the threshold of 3.09). Trascript score misZ: 7.9387 (above the threshold of 3.09).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
XPO1	NM_003400.4 link	c.3092C>G	p.Ser1031Cys	missense_variant	Exon 25 of 25	ENST00000401558.7	NP_003391.1	O14980B3KWD0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
XPO1	ENST00000401558.7 link	c.3092C>G	p.Ser1031Cys	missense_variant	Exon 25 of 25	1	NM_003400.4	ENSP00000384863.2		O14980

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250764

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000291

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461374

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726964

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33468

American (AMR)

AF:

0.0000224

AC:

AN:

44632

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26124

East Asian (EAS)

AF:

0.00

AC:

AN:

39666

South Asian (SAS)

AF:

0.00

AC:

AN:

86116

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53398

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111836

Other (OTH)

AF:

0.00

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.30

BayesDel_addAF

Benign

-0.015

BayesDel_noAF

Benign

-0.18

CADD

Uncertain

(source)

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.45

T;T;T

Eigen

Pathogenic

0.70

Eigen_PC

Pathogenic

0.72

FATHMM_MKL

Uncertain

0.96

LIST_S2

Pathogenic

0.99

.;.;D

M_CAP

Benign

0.062

MetaRNN

Uncertain

0.43

T;T;T

MetaSVM

Uncertain

-0.12

MutationAssessor

Uncertain

2.7

M;M;M

PhyloP100

6.6

PrimateAI

Pathogenic

0.87

PROVEAN

Uncertain

-2.9

D;D;D

REVEL

Uncertain

0.36

Sift

Uncertain

0.0050

D;D;D

Sift4G

Uncertain

0.0090

D;D;D

Polyphen

0.93

P;P;P

Vest4

0.37

MutPred

0.42

Loss of disorder (P = 0.0087);Loss of disorder (P = 0.0087);Loss of disorder (P = 0.0087);

MVP

0.68

MPC

1.6

ClinPred

0.61

GERP RS

5.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.65

gMVP

0.27

Mutation Taster

=33/67

disease causing

(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

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2-61478944-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over