13-19450326-G-T

Variant summary

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

The NM_001395978.1(TPTE2):​c.821C>A​(p.Pro274His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,610,674 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

TPTE2
NM_001395978.1 missense

Scores

1
6
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.35
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 linkuse as main transcriptc.821C>A p.Pro274His missense_variant 15/23 ENST00000697147.1 NP_001382907.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TPTE2ENST00000697147.1 linkuse as main transcriptc.821C>A p.Pro274His missense_variant 15/23 NM_001395978.1 ENSP00000513136.1 Q6XPS3-1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152040
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000402
AC:
1
AN:
248932
Hom.:
0
AF XY:
0.00000741
AC XY:
1
AN XY:
134928
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000889
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1458516
Hom.:
0
Cov.:
31
AF XY:
0.00000276
AC XY:
2
AN XY:
725544
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:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152158
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74396
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378
ExAC
AF:
0.00000829
AC:
1

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 GeneticsDec 19, 2022The c.821C>A (p.P274H) alteration is located in exon 13 (coding exon 12) of the TPTE2 gene. This alteration results from a C to A substitution at nucleotide position 821, causing the proline (P) at amino acid position 274 to be replaced by a histidine (H). 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
0.28
BayesDel_addAF
Benign
-0.021
T
BayesDel_noAF
Benign
-0.27
CADD
Pathogenic
27
DANN
Benign
0.90
DEOGEN2
Uncertain
0.76
.;D;.;.;.
Eigen
Benign
-0.017
Eigen_PC
Benign
-0.14
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.93
D;D;D;D;.
M_CAP
Benign
0.0063
T
MetaRNN
Uncertain
0.60
D;D;D;D;D
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.7
.;L;.;.;.
PrimateAI
Uncertain
0.51
T
PROVEAN
Pathogenic
-6.0
D;D;D;D;D
REVEL
Uncertain
0.37
Sift
Benign
0.15
T;T;T;T;T
Sift4G
Benign
0.37
T;T;T;T;T
Polyphen
0.89, 0.86
.;P;P;.;P
Vest4
0.68
MutPred
0.38
.;Gain of catalytic residue at K275 (P = 0.0067);.;.;.;
MVP
0.42
MPC
0.76
ClinPred
0.61
D
GERP RS
2.8
Varity_R
0.54
gMVP
0.66

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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: rs564469345; hg19: chr13-20024466; API