dbSNP rs769583600: ZSCAN21:p.Arg60Gln (chr7-100057185-G-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_145914.3(ZSCAN21):c.179G>A(p.Arg60Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000112 in 1,613,754 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

ZSCAN21
NM_145914.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.84

Publications

1 publications found

Variant links:

Genes affected

ZSCAN21 (HGNC:13104): (zinc finger and SCAN domain containing 21) Enables DNA-binding transcription activator activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Involved in positive regulation of transcription by RNA polymerase II. Predicted to be located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ZSCAN21 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, 0.787

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ZSCAN21	NM_145914.3 link	c.179G>A	p.Arg60Gln	missense_variant	Exon 2 of 4	ENST00000292450.9	NP_666019.1	Q9Y5A6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ZSCAN21	ENST00000292450.9 link	c.179G>A	p.Arg60Gln	missense_variant	Exon 2 of 4	1	NM_145914.3	ENSP00000292450.4	Q9Y5A6
ZSCAN21	ENST00000456748.6 link	c.179G>A	p.Arg60Gln	missense_variant	Exon 2 of 5	5		ENSP00000390960.2	G3V0F4
ZSCAN21	ENST00000438937.1 link	c.179G>A	p.Arg60Gln	missense_variant	Exon 3 of 4	2		ENSP00000404207.1	C9JHD9
ZSCAN21	ENST00000477297.1 link	n.275G>A		non_coding_transcript_exon_variant	Exon 1 of 3	3

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

152060

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000239

AC:

AN:

251334

AF XY:

0.0000294

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000109

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000352

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000109

AC:

AN:

1461694

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

727152

show subpopulations

African (AFR)

AF:

0.0000597

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.000126

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5622

European-Non Finnish (NFE)

AF:

0.00000719

AC:

AN:

1112004

Other (OTH)

AF:

0.0000166

AC:

AN:

60372

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.494

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000132

AC:

AN:

152060

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74274

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41408

American (AMR)

AF:

0.0000655

AC:

AN:

15264

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4804

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68008

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000165

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 05, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.179G>A (p.R60Q) alteration is located in exon 2 (coding exon 1) of the ZSCAN21 gene. This alteration results from a G to A substitution at nucleotide position 179, causing the arginine (R) at amino acid position 60 to be replaced by a glutamine (Q). 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

0.17

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.33

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.26

T;T;T;T

Eigen

Pathogenic

0.80

Eigen_PC

Pathogenic

0.73

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.48

T;T;T;T

M_CAP

Benign

0.0055

MetaRNN

Pathogenic

0.79

D;D;D;D

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.5

M;.;.;.

PhyloP100

2.8

PrimateAI

Uncertain

0.64

PROVEAN

Uncertain

-3.1

D;D;D;D

REVEL

Benign

0.25

Sift

Pathogenic

0.0

D;D;D;D

Sift4G

Pathogenic

0.0

D;D;D;D

Polyphen

1.0

D;.;.;D

Vest4

0.53

MutPred

0.82

Loss of helix (P = 0.0558);Loss of helix (P = 0.0558);Loss of helix (P = 0.0558);Loss of helix (P = 0.0558);

MVP

0.69

MPC

0.16

ClinPred

0.82

GERP RS

4.9

Varity_R

0.52

gMVP

0.34

Mutation Taster

=94/6

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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rs769583600

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over