Variant chr14-77139549-T-C details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_174976.2(ZDHHC22):c.190A>G(p.Asn64Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000688 in 1,454,412 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

ZDHHC22
NM_174976.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.62

Variant links:

Genes affected

ZDHHC22 (HGNC:20106): (zinc finger DHHC-type palmitoyltransferase 22) Predicted to enable protein-cysteine S-palmitoyltransferase activity. Involved in protein localization to plasma membrane and protein palmitoylation. Located in Golgi apparatus; endoplasmic reticulum; and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ZDHHC22 links:

TMEM63C (HGNC:23787): (transmembrane protein 63C) Enables calcium activated cation channel activity. Involved in cation transport. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. Biomarker of focal segmental glomerulosclerosis. [provided by Alliance of Genome Resources, Apr 2022]

TMEM63C links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
ZDHHC22	NM_174976.2 linkuse as main transcript	c.190A>G	p.Asn64Asp	missense_variant	2/3	ENST00000319374.4	NP_777636.2
ZDHHC22	NM_001364172.1 linkuse as main transcript	c.190A>G	p.Asn64Asp	missense_variant	2/3		NP_001351101.1
ZDHHC22	XM_011536661.3 linkuse as main transcript	c.190A>G	p.Asn64Asp	missense_variant	2/3		XP_011534963.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris
ZDHHC22	ENST00000319374.4 linkuse as main transcript	c.190A>G	p.Asn64Asp	missense_variant	2/3	1	NM_174976.2	ENSP00000318222	P1
ZDHHC22	ENST00000555389.1 linkuse as main transcript	c.190A>G	p.Asn64Asp	missense_variant	2/2	4		ENSP00000451337
TMEM63C	ENST00000557408.5 linkuse as main transcript	c.-237+22707T>C		intron_variant		4		ENSP00000450879

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.88e-7

AC:

AN:

1454412

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

722578

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000254

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000828

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Oct 02, 2023

The c.190A>G (p.N64D) alteration is located in exon 2 (coding exon 1) of the ZDHHC22 gene. This alteration results from a A to G substitution at nucleotide position 190, causing the asparagine (N) at amino acid position 64 to be replaced by an aspartic acid (D). 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

0.94

BayesDel_addAF

Uncertain

0.032

BayesDel_noAF

Benign

-0.19

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.39

T;.

Eigen

Uncertain

0.61

Eigen_PC

Uncertain

0.64

FATHMM_MKL

Uncertain

0.78

LIST_S2

Uncertain

0.87

D;T

M_CAP

Benign

0.042

MetaRNN

Uncertain

0.57

D;D

MetaSVM

Benign

-0.55

MutationAssessor

Benign

0.90

L;.

MutationTaster

Benign

1.0

PrimateAI

Pathogenic

0.82

PROVEAN

Uncertain

-3.7

D;D

REVEL

Uncertain

0.47

Sift

Pathogenic

0.0

D;D

Sift4G

Pathogenic

0.0

D;.

Polyphen

1.0

D;.

Vest4

0.72

MutPred

0.45

Gain of sheet (P = 0.0221);Gain of sheet (P = 0.0221);

MVP

0.54

MPC

1.4

ClinPred

0.97

GERP RS

5.5

Varity_R

0.89

gMVP

0.98

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