X-137566771-T-C

Position:

• chrX-137566771-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_003413.4(ZIC3):​c.80T>C​(p.Met27Thr) 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 (no stars).

• Frequency: Genomes: not found (cov: 25)
• Consequence: ZIC3 NM_003413.4 missense
• Clinical Significance: Uncertain significance no assertion criteria provided U:1
• Conservation: PhyloP100: 3.77

Genes affected

ZIC3 (HGNC:12874): (Zic family member 3) This gene encodes a member of the ZIC family of C2H2-type zinc finger proteins. This nuclear protein probably functions as a transcription factor in early stages of left-right body axis formation. Mutations in this gene cause X-linked visceral heterotaxy, which includes congenital heart disease and left-right axis defects in organs. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.13259396).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ZIC3	NM_003413.4	c.80T>C	p.Met27Thr	missense_variant	1/3	ENST00000287538.10
ZIC3	NM_001330661.1	c.80T>C	p.Met27Thr	missense_variant	1/3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ZIC3	ENST00000287538.10	c.80T>C	p.Met27Thr	missense_variant	1/3	1	NM_003413.4	P1
ZIC3	ENST00000370606.3	c.80T>C	p.Met27Thr	missense_variant	1/3	5

Frequencies

GnomAD3 genomes Cov.: 25

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 25

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: no assertion criteria provided

Submissions by phenotype

ZIC3-related disorder Uncertain:1

Uncertain significance, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Apr 17, 2024

The ZIC3 c.80T>C variant is predicted to result in the amino acid substitution p.Met27Thr. To our knowledge, this variant has not been reported in the literature or in a large population database, indicating this variant is rare. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.27
BayesDel_addAF	Benign	-0.26	T
BayesDel_noAF	Benign	-0.61
CADD	Benign	23
DANN	Benign	0.85
DEOGEN2	Benign	0.19	T;.
FATHMM_MKL	Uncertain	0.78	D
LIST_S2	Benign	0.77	T;T
M_CAP	Uncertain	0.10	D
MetaRNN	Benign	0.13	T;T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.69	N;N
MutationTaster	Benign	0.89	D;D
PrimateAI	Pathogenic	0.90	D
PROVEAN	Benign	-0.41	N;N
REVEL	Benign	0.11
Sift	Uncertain	0.013	D;D
Sift4G	Benign	0.54	T;T
Polyphen		0.0040	B;.
Vest4		0.34
MutPred		0.16		Gain of phosphorylation at M27 (P = 0.0083);Gain of phosphorylation at M27 (P = 0.0083);
MVP		0.10
MPC		1.4
ClinPred		0.24	T
GERP RS		4.1
Varity_R		0.53
gMVP		0.58

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: chrX-136648930;