19-53577603-T-C

Variant summary

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

The NM_001079906.2(ZNF331):c.1043T>C(p.Ile348Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000132 in 151,950 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: 𝑓 0.000013 (0 hom., cov: 33)
• Consequence: ZNF331 NM_001079906.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.137

Genes affected

ZNF331 (HGNC:15489): (zinc finger protein 331) This gene encodes a zinc finger protein containing a KRAB (Kruppel-associated box) domain found in transcriptional repressors. This gene may be methylated and silenced in cancer cells. This gene is located within a differentially methylated region (DMR) and shows allele-specific expression in placenta. Alternative splicing and the use of alternative promoters results in multiple transcript variants encoding the same protein. [provided by RefSeq, Nov 2015]

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=0.17984456).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ZNF331	NM_001079906.2	c.1043T>C	p.Ile348Thr	missense_variant	6/6	ENST00000449416.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ZNF331	ENST00000449416.6	c.1043T>C	p.Ile348Thr	missense_variant	6/6	5	NM_001079906.2	P1

Frequencies

GnomAD3 genomes AF: 0.0000132 AC: 2 AN: 151950 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000131

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 34

GnomAD4 genome AF: 0.0000132 AC: 2 AN: 151950 Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0 AN XY: 74214

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.000131

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00

Bravo AF: 0.0000227

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

Jul 20, 2022

The c.1043T>C (p.I348T) alteration is located in exon 7 (coding exon 3) of the ZNF331 gene. This alteration results from a T to C substitution at nucleotide position 1043, causing the isoleucine (I) at amino acid position 348 to be replaced by a threonine (T). 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	0.72
BayesDel_addAF	Benign	-0.20	T
BayesDel_noAF	Benign	-0.53
Cadd	Benign	22
Dann	Uncertain	0.99
DEOGEN2	Benign	0.16	T;T;T;T;T;T;T;T;T;T;T;T;T
Eigen	Benign	-0.67
Eigen_PC	Benign	-0.56
FATHMM_MKL	Benign	0.20	N
M_CAP	Benign	0.0036	T
MetaRNN	Benign	0.18	T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM	Benign	-0.98	T
MutationAssessor	Benign	-0.32	N;N;N;N;N;N;N;N;N;N;N;N;N
MutationTaster	Benign	1.0	N;N;N;N;N;N;N;N
PrimateAI	Uncertain	0.67	T
Polyphen		0.13	B;B;B;B;B;B;B;B;B;B;B;B;B
Vest4		0.21, 0.21, 0.22, 0.21, 0.21, 0.21, 0.21
MutPred		0.52		Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);Loss of stability (P = 0.0021);
MVP		0.15
MPC		1.8
ClinPred		0.63	D
GERP RS		4.1
Varity_R		0.13
gMVP		0.082

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

LitVar

Other links and lift over

dbSNP: rs1191504383; hg19: chr19-54080857;