Genetic Variant NM_182758.4:c.2934G>T (chr15-53609531-C-A) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_182758.4(WDR72):c.2934G>T(p.Trp978Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,252 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.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

WDR72
NM_182758.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.79

Publications

0 publications found

Variant links:

Genes affected

WDR72 (HGNC:26790): (WD repeat domain 72) This gene encodes a protein with eight WD-40 repeats. Mutations in this gene have been associated with amelogenesis imperfecta hypomaturation type 2A3. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2013]

WDR72 Gene-Disease associations (from GenCC):

amelogenesis imperfecta
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
amelogenesis imperfecta hypomaturation type 2A3
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
amelogenesis imperfecta type 2
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
renal tubular acidosis
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

WDR72 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.917

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_182758.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	WDR72	NM_182758.4	MANE Select	c.2934G>T	p.Trp978Cys	missense	Exon 17 of 20	NP_877435.3
	WDR72	NR_102334.2		n.3174G>T		non_coding_transcript_exon	Exon 17 of 20

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
WDR72	ENST00000360509.10	TSL:1 MANE Select	c.2934G>T	p.Trp978Cys	missense	Exon 17 of 20	ENSP00000353699.5
WDR72	ENST00000396328.5	TSL:1	c.2934G>T	p.Trp978Cys	missense	Exon 17 of 20	ENSP00000379619.1
WDR72	ENST00000559418.5	TSL:5	c.2964G>T	p.Trp988Cys	missense	Exon 16 of 19	ENSP00000452765.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461252

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726914

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33450

American (AMR)

AF:

0.00

AC:

AN:

44638

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26114

East Asian (EAS)

AF:

0.00

AC:

AN:

39664

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53384

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111630

Other (OTH)

AF:

0.00

AC:

AN:

60360

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.98

BayesDel_addAF

Pathogenic

0.31

BayesDel_noAF

Pathogenic

0.21

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.37

Eigen

Pathogenic

0.73

Eigen_PC

Pathogenic

0.72

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.89

M_CAP

Uncertain

0.099

MetaRNN

Pathogenic

0.92

MetaSVM

Uncertain

-0.16

MutationAssessor

Uncertain

2.4

PhyloP100

4.8

PrimateAI

Uncertain

0.65

PROVEAN

Pathogenic

-10

REVEL

Uncertain

0.56

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.93

MutPred

0.68

Loss of catalytic residue at W978 (P = 0.0022)

MVP

0.70

MPC

0.088

ClinPred

1.0

GERP RS

5.4

Varity_R

0.87

gMVP

0.55

Mutation Taster

=69/31

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.44

Details are displayed if max score is > 0.2

DS_DL_spliceai

0.44

Position offset: -18

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over