chr3-13819013-C-G

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM2PP2PP3_Moderate

The NM_004625.4(WNT7A):c.981G>C(p.Lys327Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,150 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: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

WNT7A
NM_004625.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.597

Publications

0 publications found

Variant links:

Genes affected

WNT7A (HGNC:12786): (Wnt family member 7A) This gene is a member of the WNT gene family, which consists of structurally related genes that encode secreted signaling proteins. These proteins have been implicated in oncogenesis and in several developmental processes, including regulation of cell fate and patterning during embryogenesis. This gene is involved in the development of the anterior-posterior axis in the female reproductive tract, and also plays a critical role in uterine smooth muscle pattering and maintenance of adult uterine function. Mutations in this gene are associated with Fuhrmann and Al-Awadi/Raas-Rothschild/Schinzel phocomelia syndromes. [provided by RefSeq, Jul 2008]

WNT7A Gene-Disease associations (from GenCC):

Fuhrmann syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Orphanet
phocomelia, Schinzel type
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

WNT7A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 6 curated pathogenic missense variants (we use a threshold of 10). The gene has 1 curated benign missense variants. Gene score misZ: 1.3439 (below the threshold of 3.09). Trascript score misZ: 1.655 (below the threshold of 3.09). GenCC associations: The gene is linked to Fuhrmann syndrome, phocomelia, Schinzel type.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.9

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
WNT7A	NM_004625.4 link	c.981G>C	p.Lys327Asn	missense_variant	Exon 4 of 4	ENST00000285018.5	NP_004616.2	O00755
WNT7A	XM_011534091.3 link	c.780G>C	p.Lys260Asn	missense_variant	Exon 5 of 5		XP_011532393.1
WNT7A	XM_047448863.1 link	c.780G>C	p.Lys260Asn	missense_variant	Exon 4 of 4		XP_047304819.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
WNT7A	ENST00000285018.5 link	c.981G>C	p.Lys327Asn	missense_variant	Exon 4 of 4	1	NM_004625.4	ENSP00000285018.4		O00755

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459150

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725282

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33430

American (AMR)

AF:

0.00

AC:

AN:

44670

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26072

East Asian (EAS)

AF:

0.00

AC:

AN:

39618

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86132

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53348

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1109852

Other (OTH)

AF:

0.00

AC:

AN:

60268

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

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Aug 02, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.981G>C (p.K327N) alteration is located in exon 4 (coding exon 4) of the WNT7A gene. This alteration results from a G to C substitution at nucleotide position 981, causing the lysine (K) at amino acid position 327 to be replaced by an asparagine (N). 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

Pathogenic

0.91

BayesDel_addAF

Uncertain

0.041

BayesDel_noAF

Benign

-0.18

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.95

Eigen

Uncertain

0.33

Eigen_PC

Benign

0.20

FATHMM_MKL

Uncertain

0.79

LIST_S2

Uncertain

0.95

M_CAP

Uncertain

0.24

MetaRNN

Pathogenic

0.90

MetaSVM

Uncertain

0.16

MutationAssessor

Pathogenic

3.7

PhyloP100

0.60

PrimateAI

Pathogenic

0.84

PROVEAN

Pathogenic

-4.7

REVEL

Pathogenic

0.67

Sift

Uncertain

0.017

Sift4G

Uncertain

0.021

Polyphen

0.96

Vest4

0.81

MutPred

0.63

Loss of methylation at K327 (P = 2e-04);

MVP

0.76

MPC

1.8

ClinPred

0.99

GERP RS

0.023

Varity_R

0.80

gMVP

0.78

Mutation Taster

=53/47

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over