Genetic Variant NM_018062.4:c.235G>A (chr2-58226766-C-T) – 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_018062.4(FANCL):c.235G>A(p.Asp79Asn) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,134 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

FANCL
NM_018062.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.93

Publications

0 publications found

Variant links:

Genes affected

FANCL (HGNC:20748): (FA complementation group L) This gene encodes a ubiquitin ligase that is a member of the Fanconi anemia complementation group (FANC). Members of this group are related by their assembly into a common nuclear protein complex rather than by sequence similarity. This gene encodes the protein for complementation group L that mediates monoubiquitination of FANCD2 as well as FANCI. Fanconi anemia is a genetically heterogeneous recessive disorder characterized by cytogenetic instability, hypersensitivity to DNA crosslinking agents, increased chromosomal breakage, and defective DNA repair. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2018]

FANCL Gene-Disease associations (from GenCC):

Fanconi anemia complementation group L
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, G2P, Laboratory for Molecular Medicine
Fanconi anemia
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

FANCL 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
FANCL	NM_018062.4 link	c.235G>A	p.Asp79Asn	missense_variant	Exon 4 of 14	ENST00000233741.9	NP_060532.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FANCL	ENST00000233741.9 link	c.235G>A	p.Asp79Asn	missense_variant	Exon 4 of 14	1	NM_018062.4	ENSP00000233741.5		Q9NW38-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461134

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726880

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.00

AC:

AN:

44702

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39596

South Asian (SAS)

AF:

0.00

AC:

AN:

86172

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53408

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111542

Other (OTH)

AF:

0.00

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 18, 2016

Genetic Services Laboratory, University of Chicago

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.54

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.021

T;T;.;T

Eigen

Benign

0.075

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.84

T;T;T;T

M_CAP

Benign

0.016

MetaRNN

Benign

0.29

T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.4

.;L;L;.

PhyloP100

4.9

PrimateAI

Uncertain

0.54

PROVEAN

Benign

-2.2

N;N;N;.

REVEL

Benign

0.058

Sift

Benign

0.069

T;T;T;.

Sift4G

Benign

0.14

T;T;T;T

Polyphen

0.18

B;B;B;.

Vest4

0.64

MutPred

0.30

Gain of MoRF binding (P = 0.0492);Gain of MoRF binding (P = 0.0492);Gain of MoRF binding (P = 0.0492);.;

MVP

0.45

MPC

0.010

ClinPred

0.84

GERP RS

5.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.13

gMVP

0.51

Mutation Taster

=78/22

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.38

Details are displayed if max score is > 0.2

DS_AL_spliceai

0.38

Position offset: 18

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

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over