rs17032279

Positions:

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_001018115.3(FANCD2):c.491+10G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00147 in 1,603,732 control chromosomes in the GnomAD database, including 9 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0010 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0015 ( 9 hom. )

Consequence

FANCD2
NM_001018115.3 intron

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:4

Conservation

PhyloP100: -1.12

Variant links:

Genes affected

FANCD2 (HGNC:3585): (FA complementation group D2) The Fanconi anemia complementation group (FANC) currently includes FANCA, FANCB, FANCC, FANCD1 (also called BRCA2), FANCD2, FANCE, FANCF, FANCG, FANCI, FANCJ (also called BRIP1), FANCL, FANCM and FANCN (also called PALB2). The previously defined group FANCH is the same as FANCA. Fanconi anemia is a genetically heterogeneous recessive disorder characterized by cytogenetic instability, hypersensitivity to DNA crosslinking agents, increased chromosomal breakage, and defective DNA repair. The members of the Fanconi anemia complementation group do not share sequence similarity; they are related by their assembly into a common nuclear protein complex. This gene encodes the protein for complementation group D2. This protein is monoubiquinated in response to DNA damage, resulting in its localization to nuclear foci with other proteins (BRCA1 AND BRCA2) involved in homology-directed DNA repair. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]

FANCD2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.88).

BP6

Variant 3-10036349-G-A is Benign according to our data. Variant chr3-10036349-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 342257.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Benign=2, Uncertain_significance=1}.

BS2

High Homozygotes in GnomAdExome4 at 9 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
FANCD2	NM_001018115.3 linkuse as main transcript	c.491+10G>A		intron_variant		ENST00000675286.1	NP_001018125.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
FANCD2	ENST00000675286.1 linkuse as main transcript	c.491+10G>A		intron_variant			NM_001018115.3	ENSP00000502379	P2	Q9BXW9-2

Frequencies

GnomAD3 genomes

AF:

0.00102

AC:

155

AN:

151966

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000604

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000656

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00145

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00160

Gnomad OTH

AF:

0.00191

GnomAD3 exomes

AF:

0.000979

AC:

246

AN:

251368

Hom.:

AF XY:

0.00112

AC XY:

152

AN XY:

135880

show subpopulations

Gnomad AFR exome

AF:

0.000615

Gnomad AMR exome

AF:

0.000723

Gnomad ASJ exome

AF:

0.0000992

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00134

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00142

Gnomad OTH exome

AF:

0.00131

GnomAD4 exome

AF:

0.00152

AC:

2203

AN:

1451648

Hom.:

Cov.:

AF XY:

0.00154

AC XY:

1113

AN XY:

723062

show subpopulations

Gnomad4 AFR exome

AF:

0.000692

Gnomad4 AMR exome

AF:

0.000649

Gnomad4 ASJ exome

AF:

0.000192

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.00117

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.00180

Gnomad4 OTH exome

AF:

0.00103

GnomAD4 genome

AF:

0.00103

AC:

157

AN:

152084

Hom.:

Cov.:

AF XY:

0.000995

AC XY:

AN XY:

74338

show subpopulations

Gnomad4 AFR

AF:

0.000651

Gnomad4 AMR

AF:

0.000655

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00145

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00160

Gnomad4 OTH

AF:

0.00189

Alfa

AF:

0.000931

Hom.:

Bravo

AF:

0.000945

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:4

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not specified

Benign:2

Benign, criteria provided, single submitter	clinical testing	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	May 16, 2022	Variant summary: FANCD2 c.491+10G>A alters a non-conserved nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. 4/4 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 0.00098 in 251368 control chromosomes in the gnomAD database, including 3 homozygotes. The observed variant frequency is approximately 2.0 fold of the estimated maximal expected allele frequency for a pathogenic variant in FANCD2 causing Fanconi Anemia phenotype (0.00048), strongly suggesting that the variant is benign. To our knowledge, no occurrence of c.491+10G>A in individuals affected with Fanconi Anemia and no experimental evidence demonstrating its impact on protein function have been reported. Four clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation (likely benign, n=3; VUS, n=1). Based on the evidence outlined above, the variant was classified as benign. -
Likely benign, criteria provided, single submitter	clinical testing	Genetic Services Laboratory, University of Chicago	Jun 14, 2021	- -

Fanconi anemia complementation group D2

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 12, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Fanconi anemia

Benign:1

Benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 29, 2024

- -

Hereditary breast ovarian cancer syndrome

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

National Health Laboratory Service, Universitas Academic Hospital and University of the Free State

Apr 19, 2022

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.88

CADD

Benign

2.1

DANN

Benign

0.43

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

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

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