Genetic Variant ZNHIT2:p.Val390Met (chr11-65116486-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_014205.4(ZNHIT2):c.1168G>A(p.Val390Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000705 in 1,518,102 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V390L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 34)

Exomes 𝑓: 0.000071 ( 0 hom. )

Consequence

ZNHIT2
NM_014205.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.80

Variant links:

Genes affected

ZNHIT2 (HGNC:1177): (zinc finger HIT-type containing 2) Predicted to enable metal ion binding activity. [provided by Alliance of Genome Resources, Apr 2022]

ZNHIT2 links:

TM7SF2 (HGNC:11863): (transmembrane 7 superfamily member 2) Enables delta14-sterol reductase activity. Involved in cholesterol biosynthetic process. Located in endoplasmic reticulum. Part of receptor complex. [provided by Alliance of Genome Resources, Apr 2022]

TM7SF2 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=0.017843485).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ZNHIT2	NM_014205.4 link	c.1168G>A	p.Val390Met	missense_variant	Exon 1 of 1	ENST00000310597.6	NP_055020.1	Q9UHR6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ZNHIT2	ENST00000310597.6 link	c.1168G>A	p.Val390Met	missense_variant	Exon 1 of 1	6	NM_014205.4	ENSP00000308548.4	Q9UHR6
ZNHIT2	ENST00000528598.1 link	c.*114G>A		downstream_gene_variant		3		ENSP00000436896.1	E9PQB8
TM7SF2	ENST00000529292.5 link	n.*983C>T		downstream_gene_variant		5		ENSP00000436370.1	E9PP79
TM7SF2	ENST00000529601.5 link	n.*1365C>T		downstream_gene_variant		2		ENSP00000435458.1	E9PK81

Frequencies

GnomAD3 genomes

AF:

0.0000657

AC:

AN:

152224

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000122

AC:

AN:

179752

Hom.:

AF XY:

0.000137

AC XY:

AN XY:

94662

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000911

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000259

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000186

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000710

AC:

AN:

1365878

Hom.:

Cov.:

AF XY:

0.0000942

AC XY:

AN XY:

668484

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000998

Gnomad4 ASJ exome

AF:

0.0000499

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000225

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000686

Gnomad4 OTH exome

AF:

0.0000535

GnomAD4 genome

AF:

0.0000657

AC:

AN:

152224

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74376

show subpopulations

Gnomad4 AFR

AF:

0.0000241

Gnomad4 AMR

AF:

0.0000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000414

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000882

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000768

Hom.:

Bravo

AF:

0.0000529

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ExAC

AF:

0.0000928

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 17, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1168G>A (p.V390M) alteration is located in exon 1 (coding exon 1) of the ZNHIT2 gene. This alteration results from a G to A substitution at nucleotide position 1168, causing the valine (V) at amino acid position 390 to be replaced by a methionine (M). 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

0.086

BayesDel_addAF

Benign

-0.53

BayesDel_noAF

Benign

-0.71

CADD

Benign

5.2

DANN

Benign

0.83

DEOGEN2

Benign

0.0095

Eigen

Benign

-1.5

Eigen_PC

Benign

-1.5

FATHMM_MKL

Benign

0.020

LIST_S2

Benign

0.54

M_CAP

Benign

0.0052

MetaRNN

Benign

0.018

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.29

PrimateAI

Benign

0.34

PROVEAN

Benign

0.16

REVEL

Benign

0.0030

Sift

Benign

0.24

Sift4G

Benign

0.20

Polyphen

0.0030

Vest4

0.072

MutPred

0.18

Gain of disorder (P = 0.0711);

MVP

0.048

MPC

0.51

ClinPred

0.020

GERP RS

-6.8

Varity_R

0.029

gMVP

0.13

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