4-138232285-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_014331.4(SLC7A11):ā€‹c.502A>Gā€‹(p.Ile168Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000206 in 1,455,818 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 33)
Exomes š‘“: 0.0000021 ( 0 hom. )

Consequence

SLC7A11
NM_014331.4 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.85
Variant links:
Genes affected
SLC7A11 (HGNC:11059): (solute carrier family 7 member 11) This gene encodes a member of a heteromeric, sodium-independent, anionic amino acid transport system that is highly specific for cysteine and glutamate. In this system, designated Xc(-), the anionic form of cysteine is transported in exchange for glutamate. This protein has been identified as the predominant mediator of Kaposi sarcoma-associated herpesvirus fusion and entry permissiveness into cells. Also, increased expression of this gene in primary gliomas (compared to normal brain tissue) was associated with increased glutamate secretion via the XCT channels, resulting in neuronal cell death. [provided by RefSeq, Sep 2011]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.1944071).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC7A11NM_014331.4 linkuse as main transcriptc.502A>G p.Ile168Val missense_variant 3/12 ENST00000280612.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC7A11ENST00000280612.9 linkuse as main transcriptc.502A>G p.Ile168Val missense_variant 3/121 NM_014331.4 P1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000206
AC:
3
AN:
1455818
Hom.:
0
Cov.:
30
AF XY:
0.00000276
AC XY:
2
AN XY:
724746
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000271
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.0000579
Hom.:
0
Bravo
AF:
0.00000756

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 13, 2023The c.502A>G (p.I168V) alteration is located in exon 3 (coding exon 3) of the SLC7A11 gene. This alteration results from a A to G substitution at nucleotide position 502, causing the isoleucine (I) at amino acid position 168 to be replaced by a valine (V). 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
0.074
BayesDel_addAF
Benign
-0.068
T
BayesDel_noAF
Benign
-0.34
CADD
Benign
11
DANN
Benign
0.91
DEOGEN2
Benign
0.32
T
Eigen
Benign
-0.47
Eigen_PC
Benign
-0.26
FATHMM_MKL
Benign
0.57
D
LIST_S2
Benign
0.68
T
M_CAP
Benign
0.017
T
MetaRNN
Benign
0.19
T
MetaSVM
Benign
-0.64
T
MutationAssessor
Benign
-0.73
N
MutationTaster
Benign
0.96
N
PrimateAI
Benign
0.44
T
PROVEAN
Benign
-0.39
N
REVEL
Benign
0.21
Sift
Benign
0.28
T
Sift4G
Benign
0.75
T
Polyphen
0.0
B
Vest4
0.17
MutPred
0.55
Loss of methylation at K166 (P = 0.1301);
MVP
0.60
MPC
0.17
ClinPred
0.17
T
GERP RS
3.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.034
gMVP
0.51

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs973560187; hg19: chr4-139153439; API