dbSNP rs1159900858: FANCF:p.Leu5Arg (chr11-22625797-A-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_022725.4(FANCF):c.14T>G(p.Leu5Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000274 in 1,461,810 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L5P) has been classified as Uncertain significance.

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: 3.88

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: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FANCF	NM_022725.4 link	c.14T>G	p.Leu5Arg	missense_variant	Exon 1 of 1	ENST00000327470.6	NP_073562.1	Q9NPI8A3KME0
GAS2	XM_011519972.4 link	c.-2617A>C		upstream_gene_variant			XP_011518274.1
GAS2	XM_047426745.1 link	c.-8648A>C		upstream_gene_variant			XP_047282701.1
GAS2	XM_047426746.1 link	c.-2617A>C		upstream_gene_variant			XP_047282702.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
FANCF	ENST00000327470.6 link	c.14T>G	p.Leu5Arg	missense_variant	Exon 1 of 1	6	NM_022725.4	ENSP00000330875.3	Q9NPI8
GAS2	ENST00000648096.1 link	n.289A>C		non_coding_transcript_exon_variant	Exon 1 of 1
GAS2	ENST00000528582.5 link	c.-37A>C		5_prime_UTR_variant	Exon 1 of 6	3		ENSP00000432584.1	E9PQ74

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461810

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727202

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:

0.0000116

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53390

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5720

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.488

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.18

BayesDel_addAF

Uncertain

0.057

BayesDel_noAF

Benign

-0.16

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.28

Eigen

Benign

0.036

Eigen_PC

Benign

-0.13

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.47

M_CAP

Benign

0.047

MetaRNN

Uncertain

0.71

MetaSVM

Benign

-0.59

MutationAssessor

Uncertain

2.5

PhyloP100

3.9

PrimateAI

Benign

0.43

PROVEAN

Pathogenic

-5.0

REVEL

Benign

0.18

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0060

Polyphen

1.0

Vest4

0.67

MutPred

0.39

Gain of disorder (P = 0.0398);

MVP

0.60

MPC

1.0

ClinPred

0.98

GERP RS

4.3

PromoterAI

0.14

Neutral

(source)

Varity_R

0.70

gMVP

0.63

Mutation Taster

=66/34

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over