rs146975768

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBS1_Supporting

The NM_022725.4(FANCF):​c.633G>T​(p.Gln211His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000561 in 1,609,472 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00041 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00058 ( 1 hom. )

Consequence

FANCF
NM_022725.4 missense

Scores

2
17

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:8B:1

Conservation

PhyloP100: 0.389
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.063381016).
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.000414 (63/152148) while in subpopulation NFE AF= 0.000676 (46/68040). AF 95% confidence interval is 0.00052. There are 0 homozygotes in gnomad4. There are 20 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
FANCFNM_022725.4 linkc.633G>T p.Gln211His missense_variant Exon 1 of 1 ENST00000327470.6 NP_073562.1 Q9NPI8A3KME0

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
FANCFENST00000327470.6 linkc.633G>T p.Gln211His missense_variant Exon 1 of 1 6 NM_022725.4 ENSP00000330875.3 Q9NPI8

Frequencies

GnomAD3 genomes
AF:
0.000414
AC:
63
AN:
152148
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000327
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000676
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.000259
AC:
64
AN:
247456
Hom.:
0
AF XY:
0.000305
AC XY:
41
AN XY:
134216
show subpopulations
Gnomad AFR exome
AF:
0.000125
Gnomad AMR exome
AF:
0.000147
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000986
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000474
Gnomad OTH exome
AF:
0.000168
GnomAD4 exome
AF:
0.000576
AC:
840
AN:
1457324
Hom.:
1
Cov.:
32
AF XY:
0.000562
AC XY:
407
AN XY:
724608
show subpopulations
Gnomad4 AFR exome
AF:
0.0000903
Gnomad4 AMR exome
AF:
0.000136
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000581
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000720
Gnomad4 OTH exome
AF:
0.000449
GnomAD4 genome
AF:
0.000414
AC:
63
AN:
152148
Hom.:
0
Cov.:
33
AF XY:
0.000269
AC XY:
20
AN XY:
74316
show subpopulations
Gnomad4 AFR
AF:
0.000241
Gnomad4 AMR
AF:
0.000327
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000676
Gnomad4 OTH
AF:
0.000955
Alfa
AF:
0.000473
Hom.:
0
Bravo
AF:
0.000461
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.00130
AC:
5
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000698
AC:
6
ExAC
AF:
0.000272
AC:
33
EpiCase
AF:
0.000654
EpiControl
AF:
0.000474

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:8Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:3
Nov 03, 2021
Institute for Clinical Genetics, University Hospital TU Dresden, University Hospital TU Dresden
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Nov 11, 2022
GeneDx
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 29641532) -

not specified Uncertain:2
Jul 29, 2015
Genomic Diagnostic Laboratory, Division of Genomic Diagnostics, Children's Hospital of Philadelphia
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Apr 04, 2019
Genetic Services Laboratory, University of Chicago
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Fanconi anemia Uncertain:2
Sep 29, 2021
Sema4, Sema4
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: curation

- -

Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces glutamine, which is neutral and polar, with histidine, which is basic and polar, at codon 211 of the FANCF protein (p.Gln211His). This variant is present in population databases (rs146975768, gnomAD 0.05%). This missense change has been observed in individual(s) with FANCF-related condition (PMID: 33850299). ClinVar contains an entry for this variant (Variation ID: 252737). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt FANCF protein function with a negative predictive value of 80%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Fanconi anemia complementation group F Uncertain:1Benign:1
Jan 12, 2018
Illumina Laboratory Services, Illumina
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

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. -

Feb 13, 2024
Fulgent Genetics, Fulgent Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.25
BayesDel_addAF
Benign
-0.58
T
BayesDel_noAF
Benign
-0.65
CADD
Benign
10
DANN
Uncertain
0.98
DEOGEN2
Benign
0.076
T
Eigen
Benign
-0.50
Eigen_PC
Benign
-0.54
FATHMM_MKL
Benign
0.63
D
LIST_S2
Benign
0.44
T
M_CAP
Benign
0.0055
T
MetaRNN
Benign
0.063
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.4
L
PrimateAI
Benign
0.32
T
PROVEAN
Benign
-1.5
N
REVEL
Benign
0.060
Sift
Benign
0.054
T
Sift4G
Uncertain
0.024
D
Polyphen
0.74
P
Vest4
0.11
MutPred
0.19
Loss of disorder (P = 0.1068);
MVP
0.42
MPC
0.53
ClinPred
0.080
T
GERP RS
1.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.22
gMVP
0.24

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.

Other links and lift over

dbSNP: rs146975768; hg19: chr11-22646724; COSMIC: COSV104646795; COSMIC: COSV104646795; API