19-11485739-T-C

Position:

• chr19-11485739-T-C

Variant summary

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

The NM_138783.4(ZNF653):​c.1487A>G​(p.Lys496Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,752 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000021 (0 hom.)
• Consequence: ZNF653 NM_138783.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.99

Genes affected

ZNF653 (HGNC:25196): (zinc finger protein 653) Enables AF-2 domain binding activity and transcription corepressor activity. Involved in extracellular negative regulation of signal transduction and negative regulation of nucleic acid-templated transcription. Predicted to be located in extracellular region. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

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=0.07705152).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ZNF653	NM_138783.4	c.1487A>G	p.Lys496Arg	missense_variant	7/9	ENST00000293771.10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ZNF653	ENST00000293771.10	c.1487A>G	p.Lys496Arg	missense_variant	7/9	1	NM_138783.4	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000205 AC: 3 AN: 1461752 Hom.: 0 Cov.: 30 AF XY: 0.00000413 AC XY: 3 AN XY: 727180

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0000116

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 8.99e-7

Gnomad4 OTH exome AF: 0.0000166

GnomAD4 genome Cov.: 32

Alfa AF: 0.0000354 Hom.: 0

Bravo AF: 0.00000756

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

Nov 17, 2022

The c.1487A>G (p.K496R) alteration is located in exon 7 (coding exon 7) of the ZNF653 gene. This alteration results from a A to G substitution at nucleotide position 1487, causing the lysine (K) at amino acid position 496 to be replaced by an arginine (R). 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	0.22
BayesDel_addAF	Benign	-0.19	T
BayesDel_noAF	Benign	-0.52
CADD	Benign	20
DANN	Uncertain	0.98
DEOGEN2	Benign	0.033	T
Eigen	Benign	-0.27
Eigen_PC	Benign	-0.046
FATHMM_MKL	Benign	0.69	D
LIST_S2	Benign	0.85	D
M_CAP	Benign	0.0026	T
MetaRNN	Benign	0.077	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.34	N
MutationTaster	Benign	0.93	D
PrimateAI	Pathogenic	0.81	D
PROVEAN	Benign	-0.68	N
REVEL	Benign	0.057
Sift	Benign	0.76	T
Sift4G	Benign	0.51	T
Polyphen		0.12	B
Vest4		0.21
MutPred		0.45		Loss of methylation at K496 (P = 0.0062);
MVP		0.55
MPC		0.70
ClinPred		0.73	D
GERP RS		5.3
Varity_R		0.044
gMVP		0.34

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs1294078344; hg19: chr19-11596554;