20-18412663-G-T

Position:

• chr20-18412663-G-T

Variant summary

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

The NM_001367614.1(DZANK1):​c.1490C>A​(p.Ala497Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★★).

• Frequency: Genomes: not found (cov: 33)
• Consequence: DZANK1 NM_001367614.1 missense
• Clinical Significance: Uncertain significance criteria provided, multiple submitters, no conflicts U:2
• Conservation: PhyloP100: 7.27

Genes affected

DZANK1 (HGNC:15858): (double zinc ribbon and ankyrin repeat domains 1) This gene contains two ankyrin repeat-encoding regions. Ankyrin repeats are tandemly repeated modules of about 33 amino acids described as L-shaped structures consisting of a beta-hairpin and two alpha-helices. Ankyrin repeats occur in a large number of functionally diverse proteins, mainly from eukaryotes, and are known to function as protein-protein interaction domains. [provided by RefSeq, Dec 2018]

DZANK1 (HGNC:):

ACMG classification

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	UniProt
DZANK1	NM_001367614.1	c.1490C>A	p.Ala497Asp	missense_variant	13/21	ENST00000699568.1	NP_001354543.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DZANK1	ENST00000699568.1	c.1490C>A	p.Ala497Asp	missense_variant	13/21		NM_001367614.1	ENSP00000514442.1
DZANK1	ENST00000699590.1	c.1448C>A	p.Ala483Asp	missense_variant	13/21			ENSP00000514461.1
DZANK1	ENST00000699525.1	c.1433C>A	p.Ala478Asp	missense_variant	13/21			ENSP00000514418.1
DZANK1	ENST00000357236.8	c.836C>A	p.Ala279Asp	missense_variant	9/17	5		ENSP00000349774.5
DZANK1	ENST00000480488.2	c.29C>A	p.Ala10Asp	missense_variant	2/6	5		ENSP00000484666.1
DZANK1	ENST00000377630.9	n.*621C>A		non_coding_transcript_exon_variant	12/20	2		ENSP00000366857.6
DZANK1	ENST00000460891.5	n.*1878C>A		non_coding_transcript_exon_variant	13/14	2		ENSP00000477872.1
DZANK1	ENST00000377630.9	n.*621C>A		3_prime_UTR_variant	12/20	2		ENSP00000366857.6
DZANK1	ENST00000460891.5	n.*1878C>A		3_prime_UTR_variant	13/14	2		ENSP00000477872.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 33

GnomAD4 genome Cov.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jun 03, 2022

The c.1415C>A (p.A472D) alteration is located in exon 13 (coding exon 12) of the DZANK1 gene. This alteration results from a C to A substitution at nucleotide position 1415, causing the alanine (A) at amino acid position 472 to be replaced by an aspartic acid (D). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

not provided Uncertain:1

Uncertain significance, criteria provided, single submitter

not provided

Breakthrough Genomics, Breakthrough Genomics

-

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.84
BayesDel_addAF	Pathogenic	0.36	D
BayesDel_noAF	Pathogenic	0.29
CADD	Pathogenic	27
DANN	Uncertain	1.0
DEOGEN2	Benign	0.16	T;T;T;.;.
Eigen	Uncertain	0.47
Eigen_PC	Uncertain	0.52
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Uncertain	0.89	D;D;.;D;D
M_CAP	Benign	0.066	D
MetaRNN	Uncertain	0.66	D;D;D;D;D
MetaSVM	Benign	-0.45	T
MutationAssessor	Pathogenic	2.9	M;.;M;.;.
PrimateAI	Uncertain	0.66	T
PROVEAN	Pathogenic	-4.5	D;.;.;.;.
REVEL	Uncertain	0.49
Sift	Pathogenic	0.0	D;.;.;.;.
Sift4G	Uncertain	0.018	D;D;D;D;D
Polyphen		1.0	D;.;D;.;.
Vest4		0.94
MutPred		0.30		Gain of ubiquitination at K467 (P = 0.0232);.;Gain of ubiquitination at K467 (P = 0.0232);.;.;
MVP		0.67
MPC		0.34
ClinPred		1.0	D
GERP RS		5.7
Varity_R		0.89
gMVP		0.81

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr20-18393307;