11-44919955-C-T

Variant summary

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

The NM_130783.5(TSPAN18):​c.571C>T​(p.Arg191Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000266 in 1,614,018 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000026 ( 0 hom. )

Consequence

TSPAN18
NM_130783.5 missense

Scores

5
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.00
Variant links:
Genes affected
TSPAN18 (HGNC:20660): (tetraspanin 18) Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]
TP53I11 (HGNC:16842): (tumor protein p53 inducible protein 11) Predicted to be involved in negative regulation of cell population proliferation. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

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=0.22548771).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TSPAN18NM_130783.5 linkuse as main transcriptc.571C>T p.Arg191Trp missense_variant 8/10 ENST00000520358.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TSPAN18ENST00000520358.7 linkuse as main transcriptc.571C>T p.Arg191Trp missense_variant 8/105 NM_130783.5 P1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152192
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000318
AC:
8
AN:
251260
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135826
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000616
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000260
AC:
38
AN:
1461826
Hom.:
0
Cov.:
31
AF XY:
0.0000234
AC XY:
17
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.0000306
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152192
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74358
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000901
Hom.:
0
Bravo
AF:
0.0000491
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.000237

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 GeneticsJun 26, 2023The c.571C>T (p.R191W) alteration is located in exon 7 (coding exon 5) of the TSPAN18 gene. This alteration results from a C to T substitution at nucleotide position 571, causing the arginine (R) at amino acid position 191 to be replaced by a tryptophan (W). 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
0.20
BayesDel_addAF
Benign
-0.064
T
BayesDel_noAF
Benign
-0.15
CADD
Benign
19
DANN
Uncertain
0.98
DEOGEN2
Benign
0.17
T;T;T
Eigen
Benign
-0.57
Eigen_PC
Benign
-0.46
FATHMM_MKL
Benign
0.68
D
LIST_S2
Benign
0.79
T;T;.
M_CAP
Benign
0.046
D
MetaRNN
Benign
0.23
T;T;T
MetaSVM
Benign
-0.75
T
MutationAssessor
Benign
1.7
.;L;L
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.49
T
PROVEAN
Benign
-2.1
N;N;N
REVEL
Uncertain
0.44
Sift
Uncertain
0.020
D;D;D
Sift4G
Uncertain
0.043
D;T;T
Polyphen
0.027
.;B;B
Vest4
0.48, 0.47
MutPred
0.67
.;Loss of disorder (P = 0.0138);Loss of disorder (P = 0.0138);
MVP
0.33
MPC
0.95
ClinPred
0.19
T
GERP RS
-0.12
Varity_R
0.074
gMVP
0.76

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: rs752986300; hg19: chr11-44941506; COSMIC: COSV60884092; COSMIC: COSV60884092; API