Genetic Variant TSSK1B:p.Pro357Thr (chr5-113433771-G-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_032028.4(TSSK1B):c.1069C>A(p.Pro357Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,508 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P357S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

TSSK1B
NM_032028.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.771

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]

TSSK1B links:

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]

MCC links:

ENSG00000232633 (HGNC:):

ENSG00000232633 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.04901001).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TSSK1B	NM_032028.4 link	c.1069C>A	p.Pro357Thr	missense_variant	Exon 1 of 1	ENST00000390666.4	NP_114417.1	Q9BXA7A0ZT98
MCC	NM_001085377.2 link	c.171-48559C>A		intron_variant	Intron 1 of 18	ENST00000408903.7	NP_001078846.2	P23508-2
LOC107986366	XR_001742459.2 link	n.179+4992G>T		intron_variant	Intron 2 of 4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TSSK1B	ENST00000390666.4 link	c.1069C>A	p.Pro357Thr	missense_variant	Exon 1 of 1	6	NM_032028.4	ENSP00000375081.3	Q9BXA7
MCC	ENST00000408903.7 link	c.171-48559C>A		intron_variant	Intron 1 of 18	2	NM_001085377.2	ENSP00000386227.3	P23508-2
ENSG00000232633	ENST00000416046.3 link	n.1168G>T		non_coding_transcript_exon_variant	Exon 4 of 5	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000403

AC:

AN:

248352

AF XY:

0.00000742

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461508

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727028

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44702

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26114

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86204

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111806

Other (OTH)

AF:

0.00

AC:

AN:

60364

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000827

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.059

BayesDel_addAF

Benign

-0.26

BayesDel_noAF

Benign

-0.50

CADD

Benign

2.8

(source)

DANN

Benign

0.72

DEOGEN2

Benign

0.17

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.0028

LIST_S2

Benign

0.36

M_CAP

Benign

0.0044

MetaRNN

Benign

0.049

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.69

PhyloP100

0.77

PrimateAI

Benign

0.28

PROVEAN

Benign

-0.41

REVEL

Benign

0.039

Sift

Benign

0.62

Sift4G

Benign

0.69

Polyphen

0.043

Vest4

0.11

MutPred

0.22

Gain of phosphorylation at P357 (P = 0.0041);

MVP

0.28

MPC

0.11

ClinPred

0.024

GERP RS

-1.1

Varity_R

0.052

gMVP

0.16

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over