5-113434115-G-A

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_032028.4(TSSK1B):​c.725C>T​(p.Thr242Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,882 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

TSSK1B
NM_032028.4 missense

Scores

1
5
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.261

Publications

0 publications found
Variant links:
Genes affected
TSSK1B (HGNC:14968): (testis specific serine kinase 1B) TSSK1 belongs to a family of serine/threonine kinases highly expressed in testis (Hao et al., 2004 [PubMed 15044604]).[supplied by OMIM, Mar 2008]
MCC (HGNC:6935): (MCC regulator of WNT signaling pathway) This gene is a candidate colorectal tumor suppressor gene that is thought to negatively regulate cell cycle progression. The orthologous gene in the mouse expresses a phosphoprotein associated with the plasma membrane and membrane organelles, and overexpression of the mouse protein inhibits entry into S phase. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.40439206).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TSSK1BNM_032028.4 linkc.725C>T p.Thr242Ile missense_variant Exon 1 of 1 ENST00000390666.4 NP_114417.1 Q9BXA7A0ZT98
MCCNM_001085377.2 linkc.171-48903C>T intron_variant Intron 1 of 18 ENST00000408903.7 NP_001078846.2 P23508-2
LOC107986366XR_001742459.2 linkn.179+5336G>A intron_variant Intron 2 of 4

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TSSK1BENST00000390666.4 linkc.725C>T p.Thr242Ile missense_variant Exon 1 of 1 6 NM_032028.4 ENSP00000375081.3 Q9BXA7
MCCENST00000408903.7 linkc.171-48903C>T intron_variant Intron 1 of 18 2 NM_001085377.2 ENSP00000386227.3 P23508-2
ENSG00000232633ENST00000416046.3 linkn.1512G>A non_coding_transcript_exon_variant Exon 4 of 5 2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251404
AF XY:
0.00
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461882
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
727240
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000180
AC:
2
AN:
1112006
Other (OTH)
AF:
0.00
AC:
0
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.400
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Jun 03, 2022
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.725C>T (p.T242I) alteration is located in exon 1 (coding exon 1) of the TSSK1B gene. This alteration results from a C to T substitution at nucleotide position 725, causing the threonine (T) at amino acid position 242 to be replaced by an isoleucine (I). 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
Pathogenic
0.80
BayesDel_addAF
Benign
-0.22
T
BayesDel_noAF
Benign
-0.55
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Benign
0.30
T
Eigen
Benign
-0.19
Eigen_PC
Benign
-0.41
FATHMM_MKL
Benign
0.39
N
LIST_S2
Uncertain
0.88
D
M_CAP
Benign
0.0031
T
MetaRNN
Benign
0.40
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.1
L
PhyloP100
0.26
PrimateAI
Benign
0.45
T
PROVEAN
Uncertain
-3.3
D
REVEL
Benign
0.14
Sift
Uncertain
0.0030
D
Sift4G
Uncertain
0.023
D
Polyphen
0.87
P
Vest4
0.23
MutPred
0.74
Loss of disorder (P = 0.0711);
MVP
0.37
MPC
0.46
ClinPred
0.95
D
GERP RS
0.90
Varity_R
0.63
gMVP
0.53
Mutation Taster
=91/9
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: rs773395049; hg19: chr5-112769812; API