Genetic Variant WDR62:p.Gly1204Asp (chr19-36103439-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001083961.2(WDR62):c.3611G>A(p.Gly1204Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,862 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign 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. G1204V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

WDR62
NM_001083961.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.179

Publications

0 publications found

Variant links:

Genes affected

WDR62 (HGNC:24502): (WD repeat domain 62) This gene is proposed to play a role in cerebral cortical development. Mutations in this gene have been associated with microencephaly, cortical malformations, and cognitive disability. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2011]

WDR62 Gene-Disease associations (from GenCC):

microcephaly 2, primary, autosomal recessive, with or without cortical malformations
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, Ambry Genetics, Illumina, G2P, ClinGen
autosomal recessive primary microcephaly
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

WDR62 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.2514302).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001083961.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
WDR62	NM_001083961.2	MANE Select	c.3611G>A	p.Gly1204Asp	missense	Exon 30 of 32	NP_001077430.1
WDR62	NM_001411145.1		c.3596G>A	p.Gly1199Asp	missense	Exon 30 of 32	NP_001398074.1
WDR62	NM_173636.5		c.3596G>A	p.Gly1199Asp	missense	Exon 30 of 32	NP_775907.4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
WDR62	ENST00000401500.7	TSL:1 MANE Select	c.3611G>A	p.Gly1204Asp	missense	Exon 30 of 32	ENSP00000384792.1
WDR62	ENST00000587391.6	TSL:1	n.*3471G>A		non_coding_transcript_exon	Exon 28 of 30	ENSP00000465525.1
WDR62	ENST00000587391.6	TSL:1	n.*3471G>A		3_prime_UTR	Exon 28 of 30	ENSP00000465525.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461862

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

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:

53396

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112012

Other (OTH)

AF:

0.0000166

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

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

Benign

0.084

BayesDel_addAF

Benign

-0.073

BayesDel_noAF

Benign

-0.34

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0065

Eigen

Benign

0.093

Eigen_PC

Benign

0.019

FATHMM_MKL

Benign

0.59

LIST_S2

Benign

0.75

M_CAP

Benign

0.081

MetaRNN

Benign

0.25

MetaSVM

Benign

-0.86

MutationAssessor

Benign

1.5

PhyloP100

-0.18

PrimateAI

Benign

0.33

PROVEAN

Benign

-1.5

REVEL

Benign

0.18

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.053

Polyphen

1.0

Vest4

0.13

MutPred

0.21

Loss of catalytic residue at G1199 (P = 0.032)

MVP

0.68

MPC

0.30

ClinPred

0.37

GERP RS

2.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.13

gMVP

0.43

Mutation Taster

=81/19

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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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