rs4458523

chr4-6288259-T-G

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_006005.3(WFS1):c.316-728T>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.614 in 150,884 control chromosomes in the GnomAD database, including 29,051 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.61 (29051 hom., cov: 30)
• Consequence: WFS1 NM_006005.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.970

Genes affected

WFS1 (HGNC:12762): (wolframin ER transmembrane glycoprotein) This gene encodes a transmembrane protein, which is located primarily in the endoplasmic reticulum and ubiquitously expressed with highest levels in brain, pancreas, heart, and insulinoma beta-cell lines. Mutations in this gene are associated with Wolfram syndrome, also called DIDMOAD (Diabetes Insipidus, Diabetes Mellitus, Optic Atrophy, and Deafness), an autosomal recessive disorder. The disease affects the brain and central nervous system. Mutations in this gene can also cause autosomal dominant deafness 6 (DFNA6), also known as DFNA14 or DFNA38. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Mar 2009]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.92).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.912 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
WFS1	NM_006005.3	c.316-728T>G		intron_variant		ENST00000226760.5
WFS1	NM_001145853.1	c.316-728T>G		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
WFS1	ENST00000226760.5	c.316-728T>G		intron_variant		1	NM_006005.3	P2

Frequencies

GnomAD3 genomes AF: 0.614 AC: 92513 AN: 150768 Hom.: 29028 Cov.: 30

Gnomad AFR AF: 0.569

Gnomad AMI AF: 0.392

Gnomad AMR AF: 0.689

Gnomad ASJ AF: 0.679

Gnomad EAS AF: 0.933

Gnomad SAS AF: 0.672

Gnomad FIN AF: 0.570

Gnomad MID AF: 0.662

Gnomad NFE AF: 0.600

Gnomad OTH AF: 0.638

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.614 AC: 92572 AN: 150884 Hom.: 29051 Cov.: 30 AF XY: 0.615 AC XY: 45239 AN XY: 73576

Gnomad4 AFR AF: 0.569

Gnomad4 AMR AF: 0.690

Gnomad4 ASJ AF: 0.679

Gnomad4 EAS AF: 0.934

Gnomad4 SAS AF: 0.672

Gnomad4 FIN AF: 0.570

Gnomad4 NFE AF: 0.600

Gnomad4 OTH AF: 0.641

Alfa AF: 0.614 Hom.: 27411

Bravo AF: 0.622

Asia WGS AF: 0.791 AC: 2752 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.92
Cadd	Benign	0.57
Dann	Benign	0.60

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

LitVar

Other links and lift over

dbSNP: rs4458523; hg19: chr4-6289986;