Genetic Variant FANCF:p.Gln6Glu (chr11-22625795-G-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_022725.4(FANCF):c.16C>G(p.Gln6Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,816 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.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

FANCF
NM_022725.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.0340

Publications

1 publications found

Variant links:

Genes affected

FANCF (HGNC:3587): (FA complementation group F) 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 F. [provided by RefSeq, Jul 2008]

FANCF links:

GAS2 (HGNC:4167): (growth arrest specific 2) The protein encoded by this gene is a caspase-3 substrate that plays a role in regulating microfilament and cell shape changes during apoptosis. It can also modulate cell susceptibility to p53-dependent apoptosis by inhibiting calpain activity. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2017]

GAS2 Gene-Disease associations (from GenCC):

hearing loss disorder
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
hearing loss, autosomal recessive 125
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

GAS2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.03923288).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein
FANCF	NM_022725.4 link	c.16C>G	p.Gln6Glu	missense_variant	Exon 1 of 1	ENST00000327470.6	NP_073562.1
GAS2	XM_011519972.4 link	c.-2619G>C		upstream_gene_variant			XP_011518274.1
GAS2	XM_047426745.1 link	c.-8650G>C		upstream_gene_variant			XP_047282701.1
GAS2	XM_047426746.1 link	c.-2619G>C		upstream_gene_variant			XP_047282702.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein
FANCF	ENST00000327470.6 link	c.16C>G	p.Gln6Glu	missense_variant	Exon 1 of 1	6	NM_022725.4	ENSP00000330875.3
GAS2	ENST00000648096.1 link	n.287G>C		non_coding_transcript_exon_variant	Exon 1 of 1
GAS2	ENST00000528582.5 link	c.-39G>C		5_prime_UTR_variant	Exon 1 of 6	3		ENSP00000432584.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000400

AC:

AN:

249788

AF XY:

0.00000739

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000891

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461816

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727204

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

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:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53390

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5728

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1112012

Other (OTH)

AF:

0.0000331

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.067

BayesDel_addAF

Benign

-0.30

BayesDel_noAF

Benign

-0.66

CADD

Benign

(source)

DANN

Benign

0.70

DEOGEN2

Benign

0.056

Eigen

Benign

-1.1

Eigen_PC

Benign

-1.1

FATHMM_MKL

Uncertain

0.79

LIST_S2

Benign

0.46

M_CAP

Benign

0.0071

MetaRNN

Benign

0.039

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.60

PhyloP100

-0.034

PrimateAI

Benign

0.35

PROVEAN

Benign

-0.46

REVEL

Benign

0.10

Sift

Benign

0.56

Sift4G

Benign

1.0

Vest4

0.089

ClinPred

0.040

GERP RS

1.0

PromoterAI

-0.022

Neutral

(source)

Varity_R

0.084

gMVP

0.057

Mutation Taster

=93/7

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

Computational scores

Splicing

Publications

Other links and lift over