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GeneBe

rs115050878

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS1

The NM_001330588.2(TPP2):c.1393+9G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000698 in 1,613,906 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0036 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00040 ( 1 hom. )

Consequence

TPP2
NM_001330588.2 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.515
Variant links:
Genes affected
TPP2 (HGNC:12016): (tripeptidyl peptidase 2) This gene encodes a mammalian peptidase that, at neutral pH, removes tripeptides from the N terminus of longer peptides. The protein has a specialized function that is essential for some MHC class I antigen presentation. The protein is a high molecular mass serine exopeptidase; the amino acid sequence surrounding the serine residue at the active site is similar to the peptidases of the subtilisin class rather than the trypsin class. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
Variant 13-102634107-G-A is Benign according to our data. Variant chr13-102634107-G-A is described in ClinVar as [Benign]. Clinvar id is 478051.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00357 (543/152266) while in subpopulation AFR AF= 0.0124 (514/41562). AF 95% confidence interval is 0.0115. There are 1 homozygotes in gnomad4. There are 260 alleles in male gnomad4 subpopulation. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TPP2NM_001330588.2 linkuse as main transcriptc.1393+9G>A intron_variant ENST00000376052.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TPP2ENST00000376052.5 linkuse as main transcriptc.1393+9G>A intron_variant 5 NM_001330588.2 A1

Frequencies

GnomAD3 genomes
AF:
0.00357
AC:
543
AN:
152148
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0124
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00118
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:
0.000103
Gnomad OTH
AF:
0.00239
GnomAD3 exomes
AF:
0.000940
AC:
236
AN:
251178
Hom.:
0
AF XY:
0.000619
AC XY:
84
AN XY:
135724
show subpopulations
Gnomad AFR exome
AF:
0.0129
Gnomad AMR exome
AF:
0.000521
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:
0.0000616
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000399
AC:
583
AN:
1461640
Hom.:
1
Cov.:
31
AF XY:
0.000327
AC XY:
238
AN XY:
727132
show subpopulations
Gnomad4 AFR exome
AF:
0.0127
Gnomad4 AMR exome
AF:
0.000671
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:
0.0000486
Gnomad4 OTH exome
AF:
0.00109
GnomAD4 genome
AF:
0.00357
AC:
543
AN:
152266
Hom.:
1
Cov.:
32
AF XY:
0.00349
AC XY:
260
AN XY:
74456
show subpopulations
Gnomad4 AFR
AF:
0.0124
Gnomad4 AMR
AF:
0.00118
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00237
Alfa
AF:
0.00177
Hom.:
0
Bravo
AF:
0.00410
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

TPP2-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesFeb 19, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
Evans syndrome, immunodeficiency, and premature immunosenescence associated with tripeptidyl-peptidase II deficiency Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJan 29, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
Cadd
Benign
0.0020
Dann
Benign
0.48
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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: rs115050878; hg19: chr13-103286457; API