Variant chr18-56756579-A-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_015285.3(WDR7):c.1990-4A>G variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.002 in 1,560,870 control chromosomes in the GnomAD database, including 71 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.011 ( 45 hom., cov: 32)

Exomes 𝑓: 0.0011 ( 26 hom. )

Consequence

WDR7
NM_015285.3 splice_region, splice_polypyrimidine_tract, intron

Scores

Splicing: ADA: 0.001215

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.340

Variant links:

Genes affected

WDR7 (HGNC:13490): (WD repeat domain 7) This gene encodes a member of the WD repeat protein family. WD repeats are minimally conserved regions of approximately 40 amino acids typically bracketed by gly-his and trp-asp (GH-WD) that may facilitate formation of heterotrimeric or multiprotein complexes. Members of this family are involved in a variety of cellular processes, including cell cycle progression, signal transduction, apoptosis, and gene regulation. The encoded protein forms the beta subunit of rabconnectin-3 and binds directly with Rab3A GDP/GTP exchange protein and indirectly with Rab3A GDP/GTP activating protein; these proteins are regulators of Rab3 small G protein family members involved in control of the calcium-dependant exocytosis of neurotransmitters. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]

WDR7 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.48).

BP6

Variant 18-56756579-A-G is Benign according to our data. Variant chr18-56756579-A-G is described in ClinVar as [Benign]. Clinvar id is 785592.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0108 (1645/152244) while in subpopulation AFR AF= 0.0382 (1587/41550). AF 95% confidence interval is 0.0366. There are 45 homozygotes in gnomad4. There are 764 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High AC in GnomAd4 at 1645 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
WDR7	NM_015285.3 linkuse as main transcript	c.1990-4A>G		splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant		ENST00000254442.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
WDR7	ENST00000254442.8 linkuse as main transcript	c.1990-4A>G		splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant		1	NM_015285.3	P4	Q9Y4E6-1

Frequencies

GnomAD3 genomes

AF:

0.0107

AC:

1622

AN:

152126

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0378

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00262

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.00574

GnomAD3 exomes

AF:

0.00301

AC:

650

AN:

216102

Hom.:

AF XY:

0.00208

AC XY:

246

AN XY:

118142

show subpopulations

Gnomad AFR exome

AF:

0.0405

Gnomad AMR exome

AF:

0.00181

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000483

Gnomad OTH exome

AF:

0.00140

GnomAD4 exome

AF:

0.00105

AC:

1481

AN:

1408626

Hom.:

Cov.:

AF XY:

0.000940

AC XY:

656

AN XY:

697682

show subpopulations

Gnomad4 AFR exome

AF:

0.0409

Gnomad4 AMR exome

AF:

0.00172

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000142

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000193

Gnomad4 OTH exome

AF:

0.00205

GnomAD4 genome

AF:

0.0108

AC:

1645

AN:

152244

Hom.:

Cov.:

AF XY:

0.0103

AC XY:

764

AN XY:

74436

show subpopulations

Gnomad4 AFR

AF:

0.0382

Gnomad4 AMR

AF:

0.00262

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000735

Gnomad4 OTH

AF:

0.00568

Alfa

AF:

0.00336

Hom.:

Bravo

AF:

0.0124

Asia WGS

AF:

0.00144

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Benign, criteria provided, single submitter

clinical testing

Invitae

Dec 31, 2019

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.48

CADD

Benign

8.0

DANN

Benign

0.70

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.0012

dbscSNV1_RF

Benign

0.14

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over