dbSNP rs138661785: ZNF423:p.Asp499Tyr (chr16-49637681-C-A) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001379286.1(ZNF423):c.1495G>T(p.Asp499Tyr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,818 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D499N) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ZNF423
NM_001379286.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.91

Publications

0 publications found

Variant links:

Genes affected

ZNF423 (HGNC:16762): (zinc finger protein 423) The protein encoded by this gene is a nuclear protein that belongs to the family of Kruppel-like C2H2 zinc finger proteins. It functions as a DNA-binding transcription factor by using distinct zinc fingers in different signaling pathways. Thus, it is thought that this gene may have multiple roles in signal transduction during development. Mutations in this gene are associated with nephronophthisis-14 and Joubert syndrome-19. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2012]

ZNF423 Gene-Disease associations (from GenCC):

nephronophthisis 14
Inheritance: AD, Unknown, AR Classification: STRONG, LIMITED Submitted by: Ambry Genetics, Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)
Joubert syndrome with oculorenal defect
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
nephronophthisis 2
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
nephronophthisis
Inheritance: AR Classification: LIMITED Submitted by: ClinGen

ZNF423 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.797

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ZNF423	NM_001379286.1 link	c.1495G>T	p.Asp499Tyr	missense_variant	Exon 4 of 8	ENST00000563137.7	NP_001366215.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ZNF423	ENST00000563137.7 link	c.1495G>T	p.Asp499Tyr	missense_variant	Exon 4 of 8	5	NM_001379286.1	ENSP00000455588.3		A0A7P0Q1F0

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461818

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727204

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53350

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112010

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.98

BayesDel_addAF

Pathogenic

0.22

BayesDel_noAF

Uncertain

0.070

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.54

D;.;.;D;.;.;.

Eigen

Uncertain

0.56

Eigen_PC

Uncertain

0.58

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Pathogenic

0.98

.;.;.;D;.;D;D

M_CAP

Benign

0.063

MetaRNN

Pathogenic

0.80

D;D;D;D;D;D;D

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.0

L;.;.;L;.;.;.

PhyloP100

7.9

PrimateAI

Pathogenic

0.85

PROVEAN

Uncertain

-3.8

D;D;D;D;D;D;D

REVEL

Uncertain

0.43

Sift

Uncertain

0.0060

D;D;D;D;D;D;D

Sift4G

Uncertain

0.0040

D;D;D;D;D;D;D

Polyphen

1.0

D;.;.;D;.;.;.

Vest4

0.88

MutPred

0.67

Gain of catalytic residue at D491 (P = 0.0891);.;.;Gain of catalytic residue at D491 (P = 0.0891);.;.;.;

MVP

0.26

MPC

1.3

ClinPred

0.99

GERP RS

4.8

Varity_R

0.52

gMVP

0.53

Mutation Taster

=56/44

polymorphism

(source)

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

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rs138661785

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over