Genetic Variant FLI1:p.Met1? (chr11-128694260-T-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PVS1_SupportingPM2

The NM_002017.5(FLI1):c.2T>G(p.Met1?) variant causes a start lost change. The variant allele was found at a frequency of 0.000000765 in 1,307,808 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 7.6e-7 ( 0 hom. )

Consequence

FLI1
NM_002017.5 start_lost

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.74

Publications

0 publications found

Variant links:

Genes affected

FLI1 (HGNC:3749): (Fli-1 proto-oncogene, ETS transcription factor) This gene encodes a transcription factor containing an ETS DNA-binding domain. The gene can undergo a t(11;22)(q24;q12) translocation with the Ewing sarcoma gene on chromosome 22, which results in a fusion gene that is present in the majority of Ewing sarcoma cases. An acute lymphoblastic leukemia-associated t(4;11)(q21;q23) translocation involving this gene has also been identified. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2012]

FLI1 links:

SENCR (HGNC:44177): (smooth muscle and endothelial cell enriched migration/differentiation-associated lncRNA)

SENCR links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PVS1

Start lost variant, no pathogenic variants between lost start and next in-frame start position. Next in-frame start position is after 34 codons. Genomic position: 128758196. Lost 0.074 part of the original CDS.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FLI1	NM_002017.5 link	c.2T>G	p.Met1?	start_lost	Exon 1 of 9	ENST00000527786.7	NP_002008.2	Q01543-1A0A024R3M5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FLI1	ENST00000527786.7 link	c.2T>G	p.Met1?	start_lost	Exon 1 of 9	1	NM_002017.5	ENSP00000433488.2		Q01543-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

7.65e-7

AC:

AN:

1307808

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

645084

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26424

American (AMR)

AF:

0.00

AC:

AN:

24262

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

20024

East Asian (EAS)

AF:

0.0000318

AC:

AN:

31450

South Asian (SAS)

AF:

0.00

AC:

AN:

65866

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48954

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5080

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1033076

Other (OTH)

AF:

0.00

AC:

AN:

52672

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jan 25, 2025

GeneDx

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Not observed at significant frequency in large population cohorts (gnomAD); Has not been previously published as pathogenic or benign to our knowledge; Initiation codon variant in a gene for which loss of function is not a known mechanism of disease -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.63

BayesDel_noAF

Pathogenic

0.43

CADD

Uncertain

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.27

Eigen

Uncertain

0.41

Eigen_PC

Uncertain

0.43

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.90

M_CAP

Pathogenic

0.64

MetaRNN

Pathogenic

0.99

MetaSVM

Benign

-1.1

PhyloP100

6.7

PROVEAN

Benign

-2.1

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0020

Polyphen

0.96

Vest4

0.94

MutPred

0.99

Loss of stability (P = 0.0416);

MVP

0.84

ClinPred

0.97

GERP RS

4.4

PromoterAI

-0.042

Neutral

(source)

Varity_R

0.89

gMVP

0.67

Mutation Taster

=35/165

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over