chr20-53253659-G-C

Position:

• chr20-53253659-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2 BP4

The NM_173485.6(TSHZ2):​c.201G>C​(p.Gln67His) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 31)
• Consequence: TSHZ2 NM_173485.6 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 5.47

Genes affected

TSHZ2 (HGNC:13010): (teashirt zinc finger homeobox 2) This gene is a member of the teashirt C2H2-type zinc-finger protein family of transcription factors. This gene encodes a protein with five C2H2-type zinc fingers, a homeobox DNA-binding domain and a coiled-coil domain. This nuclear protein is predicted to act as a transcriptional repressor. This gene is thought to play a role in the development and progression of breast and other types of cancer. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Dec 2016]

ACMG classification

Verdict is Uncertain_significance. Variant got 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.32437325).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TSHZ2	NM_173485.6	c.201G>C	p.Gln67His	missense_variant	2/3	ENST00000371497.10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TSHZ2	ENST00000371497.10	c.201G>C	p.Gln67His	missense_variant	2/3	1	NM_173485.6	P1
TSHZ2	ENST00000603338.2	c.192G>C	p.Gln64His	missense_variant	2/3	2

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 33

GnomAD4 genome Cov.: 31

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 20, 2023

The c.201G>C (p.Q67H) alteration is located in exon 2 (coding exon 2) of the TSHZ2 gene. This alteration results from a G to C substitution at nucleotide position 201, causing the glutamine (Q) at amino acid position 67 to be replaced by a histidine (H). 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	Benign	0.29
BayesDel_addAF	Benign	-0.077	T
BayesDel_noAF	Benign	-0.35
CADD	Uncertain	24
DANN	Uncertain	1.0
DEOGEN2	Benign	0.17	T;.;.
Eigen	Uncertain	0.46
Eigen_PC	Uncertain	0.45
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Benign	0.83	T;.;D
M_CAP	Benign	0.038	D
MetaRNN	Benign	0.32	T;T;T
MetaSVM	Benign	-1.1	T
MutationAssessor	Uncertain	2.7	M;.;.
MutationTaster	Benign	1.0	D;D
PrimateAI	Uncertain	0.64	T
PROVEAN	Benign	-1.9	N;.;N
REVEL	Benign	0.18
Sift	Uncertain	0.026	D;.;D
Sift4G	Uncertain	0.058	T;T;T
Polyphen		1.0	D;.;.
Vest4		0.71
MutPred		0.29		Loss of helix (P = 0.0093);.;.;
MVP		0.61
MPC		0.52
ClinPred		0.95	D
GERP RS		4.8
Varity_R		0.21
gMVP		0.42

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr20-51870198;