11-44919969-C-T

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_Strong BP6_Moderate BP7

The NM_130783.5(TSPAN18):c.585C>T(p.Leu195=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00025 in 1,613,812 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

• Frequency:
  • Genomes: 𝑓 0.00030 (0 hom., cov: 33)
  • Exomes 𝑓: 0.00024 (3 hom.)
• Consequence: TSPAN18 NM_130783.5 synonymous
• Clinical Significance: Benign criteria provided, single submitter B:1
• Conservation: PhyloP100: -0.197

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]

ACMG classification

Verdict is Benign. Variant got -7 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.56).
• BP6: Variant 11-44919969-C-T is Benign according to our data. Variant chr11-44919969-C-T is described in ClinVar as [Benign]. Clinvar id is 3035169.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=-0.197 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TSPAN18	NM_130783.5	c.585C>T	p.Leu195=	synonymous_variant	8/10	ENST00000520358.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TSPAN18	ENST00000520358.7	c.585C>T	p.Leu195=	synonymous_variant	8/10	5	NM_130783.5	P1

Frequencies

GnomAD3 genomes AF: 0.000302 AC: 46 AN: 152204 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.0107

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000882

Gnomad OTH AF: 0.000956

GnomAD3 exomes AF: 0.000454 AC: 114 AN: 251038 Hom.: 1 AF XY: 0.000508 AC XY: 69 AN XY: 135698

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00836

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.000490

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000115

Gnomad OTH exome AF: 0.000327

GnomAD4 exome AF: 0.000245 AC: 358 AN: 1461608 Hom.: 3 Cov.: 31 AF XY: 0.000278 AC XY: 202 AN XY: 727122

Gnomad4 AFR exome AF: 0.0000299

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00962

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.000383

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000324

Gnomad4 OTH exome AF: 0.000613

GnomAD4 genome AF: 0.000302 AC: 46 AN: 152204 Hom.: 0 Cov.: 33 AF XY: 0.000269 AC XY: 20 AN XY: 74356

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.0107

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.000207

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000882

Gnomad4 OTH AF: 0.000956

Alfa AF: 0.000878 Hom.: 0

Bravo AF: 0.000291

EpiCase AF: 0.000218

EpiControl AF: 0.000474

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

TSPAN18-related disorder Benign:1

Benign, criteria provided, single submitter

clinical testing

PreventionGenetics, part of Exact Sciences

Aug 08, 2019

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.56
Cadd	Benign	4.0
Dann	Benign	0.84

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

Other links and lift over

dbSNP: rs200276331; hg19: chr11-44941520; COSMIC: COSV60883918; COSMIC: COSV60883918;