dbSNP rs74478333: FBXL18:p.Asn552Ile (chr7-5500614-T-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_024963.6(FBXL18):c.1655A>T(p.Asn552Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,460,998 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. 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. N552S) has been classified as Benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

FBXL18
NM_024963.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.22

Publications

0 publications found

Variant links:

Genes affected

FBXL18 (HGNC:21874): (F-box and leucine rich repeat protein 18) The protein encoded by this gene is a member of a family of proteins that contain an approximately 40-amino acid F-box motif. This motif is important for interaction with SKP1 and for targeting some proteins for degradation. The encoded protein has been shown to control the cellular level of FBXL7, a protein that induces mitotic arrest, by targeting it for polyubiquitylation and proteasomal degradation. Members of the F-box protein family, such as FBXL18, are characterized by an approximately 40-amino acid F-box motif. F-box proteins interact with SKP1 through the F box, and they interact with ubiquitination targets through other protein interaction domains. [provided by RefSeq, Mar 2016]

FBXL18 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.14816597).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FBXL18	NM_024963.6 link	c.1655A>T	p.Asn552Ile	missense_variant	Exon 3 of 5	ENST00000382368.8	NP_079239.3	Q96ME1-4Q96D16

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
FBXL18	ENST00000382368.8 link	c.1655A>T	p.Asn552Ile	missense_variant	Exon 3 of 5	5	NM_024963.6	ENSP00000371805.3	Q96ME1-4
FBXL18	ENST00000458142.1 link	c.1304A>T	p.Asn435Ile	missense_variant	Exon 1 of 3	2		ENSP00000405896.1	A0A994ENR3
FBXL18	ENST00000415009.5 link	n.1655A>T		non_coding_transcript_exon_variant	Exon 3 of 7	2		ENSP00000415064.1	Q96ME1-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1460998

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726840

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26116

East Asian (EAS)

AF:

0.00

AC:

AN:

39688

South Asian (SAS)

AF:

0.00

AC:

AN:

86246

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52790

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111846

Other (OTH)

AF:

0.00

AC:

AN:

60368

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.43

CADD

Benign

(source)

DANN

Uncertain

0.98

Eigen

Benign

-0.21

Eigen_PC

Benign

-0.13

FATHMM_MKL

Uncertain

0.86

LIST_S2

Benign

0.51

M_CAP

Benign

0.014

MetaRNN

Benign

0.15

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

PhyloP100

1.2

PrimateAI

Uncertain

0.49

PROVEAN

Uncertain

-2.8

REVEL

Benign

0.12

Sift

Uncertain

0.0090

Sift4G

Benign

0.065

Polyphen

0.027

Vest4

0.21

MutPred

0.30

Gain of sheet (P = 0.0101);

MVP

0.74

MPC

0.68

ClinPred

0.77

GERP RS

2.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

gMVP

0.46

Mutation Taster

=92/8

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