13-19464461-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001395978.1(TPTE2):ā€‹c.736A>Gā€‹(p.Ile246Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000116 in 1,460,078 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.000012 ( 1 hom. )

Consequence

TPTE2
NM_001395978.1 missense

Scores

2
10
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.79
Variant links:
Genes affected
TPTE2 (HGNC:17299): (transmembrane phosphoinositide 3-phosphatase and tensin homolog 2) TPIP is a member of a large class of membrane-associated phosphatases with substrate specificity for the 3-position phosphate of inositol phospholipids.[supplied by OMIM, Jul 2002]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TPTE2NM_001395978.1 linkc.736A>G p.Ile246Val missense_variant 13/23 ENST00000697147.1 NP_001382907.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TPTE2ENST00000697147.1 linkc.736A>G p.Ile246Val missense_variant 13/23 NM_001395978.1 ENSP00000513136.1 Q6XPS3-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000120
AC:
3
AN:
250760
Hom.:
1
AF XY:
0.00000738
AC XY:
1
AN XY:
135544
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000177
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000116
AC:
17
AN:
1460078
Hom.:
1
Cov.:
32
AF XY:
0.00000413
AC XY:
3
AN XY:
726448
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000505
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000108
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.000142
Hom.:
0
Bravo
AF:
0.00000756
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

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 GeneticsMar 02, 2023The c.736A>G (p.I246V) alteration is located in exon 11 (coding exon 10) of the TPTE2 gene. This alteration results from a A to G substitution at nucleotide position 736, causing the isoleucine (I) at amino acid position 246 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
0.088
BayesDel_addAF
Uncertain
0.091
D
BayesDel_noAF
Uncertain
0.060
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Benign
0.25
.;T;.;.;.
Eigen
Uncertain
0.21
Eigen_PC
Benign
0.097
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Uncertain
0.91
D;D;D;D;.
M_CAP
Benign
0.023
T
MetaRNN
Uncertain
0.44
T;T;T;T;T
MetaSVM
Pathogenic
0.96
D
MutationAssessor
Uncertain
2.5
.;M;.;.;.
PrimateAI
Benign
0.44
T
PROVEAN
Benign
-0.80
N;N;N;N;N
REVEL
Pathogenic
0.66
Sift
Uncertain
0.0030
D;D;D;D;D
Sift4G
Uncertain
0.011
D;D;D;T;D
Polyphen
0.91, 0.90
.;P;P;.;P
Vest4
0.50
MutPred
0.38
.;Gain of phosphorylation at Y242 (P = 0.0923);.;.;.;
MVP
0.54
MPC
0.26
ClinPred
0.58
D
GERP RS
2.9
Varity_R
0.22
gMVP
0.42

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: rs759035513; hg19: chr13-20038601; API