15-84643474-C-CG

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PVS1_ModerateBP6BS1

The NM_032856.5(WDR73):c.1132dupC(p.Arg378ProfsTer12) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000154 in 1,553,856 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00070 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000096 ( 1 hom. )

Consequence

WDR73
NM_032856.5 frameshift

Scores

Not classified

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:2

Conservation

PhyloP100: -1.55

Publications

2 publications found

Variant links:

Genes affected

WDR73 (HGNC:25928): (WD repeat domain 73) The protein encoded by this gene is thought to contain multiple WD40 repeats. WD40 repeats are motifs that contain 40-60 amino acids, and usually end with Trp-Asp (WD). This protein is found in the cytoplasm during interphase, but accumulates at the spindle poles and astral microtubules during mitosis. Reduced expression of this gene results in abnormalities in the size and morphology of the nucleus. Mutations in this gene have been associated with Galloway-Mowat syndrome PMID: 25466283), which is a rare autosomal recessive disorder that affects both the central nervous system and kidneys. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2015]

WDR73 Gene-Disease associations (from GenCC):

Galloway-Mowat syndrome 1
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
CAMOS syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
Galloway-Mowat syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

WDR73 links:

ENSG00000291159 (HGNC:58684):

ENSG00000291159 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PVS1

Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most exon, not predicted to undergo nonsense mediated mRNA decay. Fraction of 0.0044 CDS is truncated, and there are 0 pathogenic variants in the truncated region.

BP6

Variant 15-84643474-C-CG is Benign according to our data. Variant chr15-84643474-C-CG is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 286528.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000696 (106/152192) while in subpopulation AFR AF = 0.00253 (105/41530). AF 95% confidence interval is 0.00214. There are 0 homozygotes in GnomAd4. There are 46 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032856.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
WDR73	NM_032856.5	MANE Select	c.1132dupC	p.Arg378ProfsTer12	frameshift	Exon 8 of 8	NP_116245.2	Q6P4I2
WDR73	NR_130944.2		n.1675dupC		non_coding_transcript_exon	Exon 7 of 7
WDR73	NR_130945.2		n.1254dupC		non_coding_transcript_exon	Exon 9 of 9

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
WDR73	ENST00000434634.7	TSL:1 MANE Select	c.1132dupC	p.Arg378ProfsTer12	frameshift	Exon 8 of 8	ENSP00000387982.3	Q6P4I2
ENSG00000291159	ENST00000348993.10	TSL:1	n.4988dupG		non_coding_transcript_exon	Exon 4 of 4
WDR73	ENST00000398528.7	TSL:1	n.1208dupC		non_coding_transcript_exon	Exon 8 of 8

Frequencies

GnomAD3 genomes

AF:

0.000697

AC:

106

AN:

152074

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00254

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:

0.000181

AC:

AN:

159916

AF XY:

0.000142

show subpopulations

Gnomad AFR exome

AF:

0.00221

Gnomad AMR exome

AF:

0.000120

Gnomad ASJ exome

AF:

0.000117

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000967

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000956

AC:

134

AN:

1401664

Hom.:

Cov.:

AF XY:

0.0000969

AC XY:

AN XY:

691666

show subpopulations

African (AFR)

AF:

0.00248

AC:

AN:

31838

American (AMR)

AF:

0.0000837

AC:

AN:

35850

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25172

East Asian (EAS)

AF:

0.00

AC:

AN:

36034

South Asian (SAS)

AF:

0.0000252

AC:

AN:

79422

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49648

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5162

European-Non Finnish (NFE)

AF:

0.0000407

AC:

AN:

1080446

Other (OTH)

AF:

0.000103

AC:

AN:

58092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000696

AC:

106

AN:

152192

Hom.:

Cov.:

AF XY:

0.000618

AC XY:

AN XY:

74406

show subpopulations

African (AFR)

AF:

0.00253

AC:

105

AN:

41530

American (AMR)

AF:

0.0000654

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5176

South Asian (SAS)

AF:

0.00

AC:

AN:

4812

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10610

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68002

Other (OTH)

AF:

0.00

AC:

AN:

2106

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000728

Hom.:

Bravo

AF:

0.000767

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (3)

Galloway-Mowat syndrome 1 (1)

WDR73-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

-1.6

Mutation Taster

=175/25

disease causing (ClinVar)

(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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over