chr16-31077026-G-T

Position:

• chr16-31077026-G-T

Variant summary

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

The NM_014699.4(ZNF646):​c.702G>T​(p.Glu234Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: ZNF646 NM_014699.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.48

Genes affected

ZNF646 (HGNC:29004): (zinc finger protein 646) Predicted to enable DNA-binding transcription factor activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Predicted to be involved in regulation of transcription, DNA-templated. Predicted to be located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

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=0.34897697).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ZNF646	NM_014699.4	c.702G>T	p.Glu234Asp	missense_variant	2/3	ENST00000300850.5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ZNF646	ENST00000300850.5	c.702G>T	p.Glu234Asp	missense_variant	2/3	1	NM_014699.4	P2
ZNF646	ENST00000394979.2	c.702G>T	p.Glu234Asp	missense_variant	1/1			A2
ZNF646	ENST00000428260.1	c.702G>T	p.Glu234Asp	missense_variant	2/2	3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 70

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.17
BayesDel_addAF	Benign	-0.14	T
BayesDel_noAF	Benign	-0.43
CADD	Benign	19
DANN	Uncertain	1.0
DEOGEN2	Benign	0.015	.;T;T
Eigen	Uncertain	0.48
Eigen_PC	Uncertain	0.50
FATHMM_MKL	Uncertain	0.84	D
LIST_S2	Benign	0.66	T;T;T
M_CAP	Benign	0.0055	T
MetaRNN	Benign	0.35	T;T;T
MetaSVM	Benign	-0.95	T
MutationAssessor	Uncertain	2.2	M;.;M
MutationTaster	Benign	0.099	P;P
PrimateAI	Benign	0.48	T
PROVEAN	Benign	-1.4	N;N;N
REVEL	Benign	0.089
Sift	Benign	0.080	T;D;T
Sift4G	Uncertain	0.044	D;D;D
Polyphen		1.0	D;.;.
Vest4		0.29
MutPred		0.26		Loss of glycosylation at P232 (P = 0.0965);Loss of glycosylation at P232 (P = 0.0965);Loss of glycosylation at P232 (P = 0.0965);
MVP		0.54
MPC		0.69
ClinPred		0.82	D
GERP RS		4.8
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		2.9
Varity_R		0.16
gMVP		0.44

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: rs749671; hg19: chr16-31088347;