Genetic Variant TSSK2:p.Val204Leu (chr22-19132009-G-T) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_053006.5(TSSK2):c.610G>T(p.Val204Leu) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic 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. V204M) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Consequence

TSSK2
NM_053006.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.19

Publications

7 publications found

Variant links:

Genes affected

TSSK2 (HGNC:11401): (testis specific serine kinase 2) TSSK2 belongs to a family of serine/threonine kinases highly expressed in testis (Hao et al., 2004 [PubMed 15044604]).[supplied by OMIM, Mar 2008]

TSSK2 links:

ESS2 (HGNC:16817): (ess-2 splicing factor homolog) This gene is located within the minimal DGS critical region (MDGCR) thought to contain the gene(s) responsible for a group of developmental disorders. These disorders include DiGeorge syndrome, velocardiofacial syndrome, conotruncal anomaly face syndrome, and some familial or sporadic conotruncal cardiac defects which have been associated with microdeletion of 22q11.2. The encoded protein may be a component of C complex spliceosomes, and the orthologous protein in the mouse localizes to the nucleus. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Dec 2015]

ESS2 links:

ENSG00000223461 (HGNC:):

ENSG00000223461 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.848

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_053006.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TSSK2	NM_053006.5	MANE Select	c.610G>T	p.Val204Leu	missense	Exon 1 of 1	NP_443732.3
ESS2	NM_022719.3	MANE Select	c.*2187C>A		3_prime_UTR	Exon 10 of 10	NP_073210.1	Q96DF8
ESS2	NR_134304.2		n.3706C>A		non_coding_transcript_exon	Exon 10 of 10

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TSSK2	ENST00000399635.4	TSL:6 MANE Select	c.610G>T	p.Val204Leu	missense	Exon 1 of 1	ENSP00000382544.2	Q96PF2
ESS2	ENST00000252137.11	TSL:1 MANE Select	c.*2187C>A		3_prime_UTR	Exon 10 of 10	ENSP00000252137.6	Q96DF8
ESS2	ENST00000909110.1		c.*2187C>A		3_prime_UTR	Exon 10 of 10	ENSP00000579169.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.85

BayesDel_addAF

Pathogenic

0.23

BayesDel_noAF

Uncertain

0.090

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.29

Eigen

Uncertain

0.68

Eigen_PC

Uncertain

0.60

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.96

M_CAP

Uncertain

0.086

MetaRNN

Pathogenic

0.85

MetaSVM

Uncertain

0.72

MutationAssessor

Benign

2.0

PhyloP100

4.2

PrimateAI

Uncertain

0.72

PROVEAN

Uncertain

-2.6

REVEL

Pathogenic

0.70

Sift

Uncertain

0.0060

Sift4G

Uncertain

0.012

Polyphen

1.0

Vest4

0.57

MutPred

0.75

Loss of helix (P = 0.3949)

MVP

0.95

MPC

1.1

ClinPred

0.97

GERP RS

5.1

Varity_R

0.74

gMVP

0.67

Mutation Taster

=29/71

disease causing

(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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over