Genetic Variant NM_032752.3:c.1490G>A (chr1-247300793-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_032752.3(ZNF496):c.1490G>A(p.Arg497Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000331 in 1,601,258 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

ZNF496
NM_032752.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.59

Variant links:

Genes affected

ZNF496 (HGNC:23713): (zinc finger protein 496) Predicted to enable DNA-binding transcription factor activity, RNA polymerase II-specific; RNA polymerase II cis-regulatory region sequence-specific DNA binding activity; and protein self-association. Predicted to be involved in positive regulation of transcription, DNA-templated and regulation of transcription by RNA polymerase II. Predicted to act upstream of or within negative regulation of transcription by RNA polymerase II. Predicted to be located in nuclear body. [provided by Alliance of Genome Resources, Apr 2022]

ZNF496 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.029964715).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ZNF496	NM_032752.3 link	c.1490G>A	p.Arg497Lys	missense_variant	Exon 10 of 10	ENST00000682384.1	NP_116141.1	Q96IT1-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ZNF496	ENST00000682384.1 link	c.1490G>A	p.Arg497Lys	missense_variant	Exon 10 of 10		NM_032752.3	ENSP00000507236.1	Q96IT1-1
ZNF496	ENST00000294753.8 link	c.1490G>A	p.Arg497Lys	missense_variant	Exon 9 of 9	1		ENSP00000294753.4	Q96IT1-1
ZNF496	ENST00000461277.2 link	c.1265G>A	p.Arg422Lys	missense_variant	Exon 8 of 8	1		ENSP00000473324.1	A0A0C4DGR5
ZNF496	ENST00000462139.1 link	n.5862G>A		non_coding_transcript_exon_variant	Exon 2 of 2	1

Frequencies

GnomAD3 genomes

AF:

0.0000591

AC:

AN:

152236

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000217

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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

GnomAD3 exomes

AF:

0.0000327

AC:

AN:

244770

Hom.:

AF XY:

0.0000379

AC XY:

AN XY:

132008

show subpopulations

Gnomad AFR exome

AF:

0.000247

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000361

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000304

AC:

AN:

1449022

Hom.:

Cov.:

AF XY:

0.0000348

AC XY:

AN XY:

718756

show subpopulations

Gnomad4 AFR exome

AF:

0.000391

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000263

Gnomad4 OTH exome

AF:

0.0000334

GnomAD4 genome

AF:

0.0000591

AC:

AN:

152236

Hom.:

Cov.:

AF XY:

0.0000538

AC XY:

AN XY:

74366

show subpopulations

Gnomad4 AFR

AF:

0.000217

Gnomad4 AMR

AF:

0.00

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

Alfa

AF:

0.000106

Hom.:

Bravo

AF:

0.000117

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Aug 19, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1490G>A (p.R497K) alteration is located in exon 9 (coding exon 7) of the ZNF496 gene. This alteration results from a G to A substitution at nucleotide position 1490, causing the arginine (R) at amino acid position 497 to be replaced by a lysine (K). 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

0.084

BayesDel_addAF

Benign

-0.59

BayesDel_noAF

Benign

-0.81

CADD

Benign

0.085

DANN

Benign

0.75

DEOGEN2

Benign

0.022

T;.

Eigen

Benign

-1.7

Eigen_PC

Benign

-1.8

FATHMM_MKL

Benign

0.088

LIST_S2

Benign

0.32

T;T

M_CAP

Benign

0.0018

MetaRNN

Benign

0.030

T;T

MetaSVM

Benign

-0.97

MutationAssessor

Benign

0.0

N;.

PrimateAI

Benign

0.31

PROVEAN

Benign

0.040

N;.

REVEL

Benign

0.0050

Sift

Benign

1.0

T;.

Sift4G

Benign

1.0

T;T

Polyphen

0.0

B;.

Vest4

0.027

MVP

0.30

MPC

0.44

ClinPred

0.019

GERP RS

-5.0

Varity_R

0.023

gMVP

0.17

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over