rs139932354

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_ModerateBS1BS2

The NM_001330588.2(TPP2):​c.73T>G​(p.Ser25Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000248 in 1,611,030 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S25C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00026 ( 2 hom. )

Consequence

TPP2
NM_001330588.2 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 1.52

Publications

0 publications found
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]
TPP2 Gene-Disease associations (from GenCC):
  • immunodeficiency 78 with autoimmunity and developmental delay
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P, PanelApp Australia
  • autoimmune hemolytic anemia-autoimmune thrombocytopenia-primary immunodeficiency syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.102027714).
BS1
Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.0000986 (15/152070) while in subpopulation NFE AF = 0.000191 (13/67978). AF 95% confidence interval is 0.000112. There are 0 homozygotes in GnomAd4. There are 4 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001330588.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TPP2
NM_001330588.2
MANE Select
c.73T>Gp.Ser25Ala
missense
Exon 1 of 30NP_001317517.1Q5VZU9
TPP2
NM_001367947.1
c.73T>Gp.Ser25Ala
missense
Exon 1 of 30NP_001354876.1
TPP2
NM_003291.4
c.73T>Gp.Ser25Ala
missense
Exon 1 of 29NP_003282.2P29144

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TPP2
ENST00000376052.5
TSL:5 MANE Select
c.73T>Gp.Ser25Ala
missense
Exon 1 of 30ENSP00000365220.3Q5VZU9
TPP2
ENST00000376065.8
TSL:1
c.73T>Gp.Ser25Ala
missense
Exon 1 of 29ENSP00000365233.4P29144
TPP2
ENST00000912746.1
c.73T>Gp.Ser25Ala
missense
Exon 1 of 31ENSP00000582805.1

Frequencies

GnomAD3 genomes
AF:
0.0000986
AC:
15
AN:
152070
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.000191
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000573
AC:
14
AN:
244482
AF XY:
0.0000449
show subpopulations
Gnomad AFR exome
AF:
0.0000669
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000118
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000263
AC:
384
AN:
1458960
Hom.:
2
Cov.:
31
AF XY:
0.000262
AC XY:
190
AN XY:
725744
show subpopulations
African (AFR)
AF:
0.000120
AC:
4
AN:
33284
American (AMR)
AF:
0.00
AC:
0
AN:
44672
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26060
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39578
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86038
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53070
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4928
European-Non Finnish (NFE)
AF:
0.000329
AC:
366
AN:
1111170
Other (OTH)
AF:
0.000233
AC:
14
AN:
60160
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.474
Heterozygous variant carriers
0
20
40
60
80
100
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000986
AC:
15
AN:
152070
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74294
show subpopulations
African (AFR)
AF:
0.0000483
AC:
2
AN:
41424
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5154
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10606
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.000191
AC:
13
AN:
67978
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000165
Hom.:
0
Bravo
AF:
0.0000907
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000589
AC:
5
ExAC
AF:
0.0000578
AC:
7
EpiCase
AF:
0.000218
EpiControl
AF:
0.0000594

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Evans syndrome, immunodeficiency, and premature immunosenescence associated with tripeptidyl-peptidase II deficiency (1)
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.056
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.54
CADD
Benign
19
DANN
Benign
0.90
DEOGEN2
Benign
0.12
T
Eigen
Benign
-0.46
Eigen_PC
Benign
-0.26
FATHMM_MKL
Benign
0.59
D
LIST_S2
Benign
0.71
T
M_CAP
Benign
0.040
D
MetaRNN
Benign
0.10
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.28
N
PhyloP100
1.5
PrimateAI
Uncertain
0.74
T
PROVEAN
Benign
-0.67
N
REVEL
Benign
0.022
Sift
Benign
0.59
T
Sift4G
Benign
0.92
T
Polyphen
0.0
B
Vest4
0.32
MVP
0.082
MPC
0.57
ClinPred
0.043
T
GERP RS
2.9
PromoterAI
-0.00040
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.15
gMVP
0.51
Mutation Taster
=86/14
polymorphism

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

Other links and lift over

dbSNP: rs139932354; hg19: chr13-103249461; API
For research and educational, non-commercial use only. Not for clinical or diagnostic use. GeneBe does not provide medical advice. Data use for AI modeling is prohibited: if used, the cost is $0.001 per byte of downloaded uncompressed data.