Genetic Variant FBXO42:p.Ser481Pro (chr1-16251383-A-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_018994.3(FBXO42):c.1441T>C(p.Ser481Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Consequence

FBXO42
NM_018994.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.227

Variant links:

Genes affected

FBXO42 (HGNC:29249): (F-box protein 42) Members of the F-box protein family, such as FBXO42, are characterized by an approximately 40-amino acid F-box motif. SCF complexes, formed by SKP1 (SKP1A; MIM 601434), cullin (see CUL1; MIM 603134), and F-box proteins, act as protein-ubiquitin ligases. F-box proteins interact with SKP1 through the F box, and they interact with ubiquitination targets through other protein interaction domains (Jin et al., 2004 [PubMed 15520277]).[supplied by OMIM, Dec 2010]

FBXO42 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.060717642).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FBXO42	NM_018994.3 link	c.1441T>C	p.Ser481Pro	missense_variant	Exon 10 of 10	ENST00000375592.8	NP_061867.1	Q6P3S6
FBXO42	XM_047422747.1 link	c.1441T>C	p.Ser481Pro	missense_variant	Exon 12 of 12		XP_047278703.1
FBXO42	XM_047422750.1 link	c.1441T>C	p.Ser481Pro	missense_variant	Exon 12 of 12		XP_047278706.1
FBXO42	XM_047422751.1 link	c.1441T>C	p.Ser481Pro	missense_variant	Exon 12 of 12		XP_047278707.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
FBXO42	ENST00000375592.8 link	c.1441T>C	p.Ser481Pro	missense_variant	Exon 10 of 10	1	NM_018994.3	ENSP00000364742.3	Q6P3S6
FBXO42	ENST00000444116.1 link	c.595T>C	p.Ser199Pro	missense_variant	Exon 4 of 4	5		ENSP00000412416.1	X6RKU3
FBXO42	ENST00000456164.5 link	c.595T>C	p.Ser199Pro	missense_variant	Exon 3 of 3	2		ENSP00000415663.1	X6RKU3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jun 29, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1441T>C (p.S481P) alteration is located in exon 10 (coding exon 9) of the FBXO42 gene. This alteration results from a T to C substitution at nucleotide position 1441, causing the serine (S) at amino acid position 481 to be replaced by a proline (P). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.057

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.42

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.024

T;T;T

Eigen

Benign

-0.64

Eigen_PC

Benign

-0.48

FATHMM_MKL

Benign

0.31

LIST_S2

Benign

0.66

T;.;T

M_CAP

Benign

0.0062

MetaRNN

Benign

0.061

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.55

N;.;.

PhyloP100

0.23

PrimateAI

Benign

0.45

PROVEAN

Benign

-1.4

N;N;N

REVEL

Benign

0.051

Sift

Uncertain

0.023

D;D;D

Sift4G

Uncertain

0.053

T;.;.

Polyphen

0.0

B;.;.

Vest4

0.035

MutPred

0.23

Loss of sheet (P = 0.0228);.;.;

MVP

0.35

MPC

0.32

ClinPred

0.091

GERP RS

1.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.12

gMVP

0.25

Mutation Taster

=84/16

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

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over