Genetic Variant RBM42:p.Leu173Val (chr19-35633085-C-G) – 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_024321.5(RBM42):c.517C>G(p.Leu173Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,460,620 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

RBM42
NM_024321.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.12

Publications

0 publications found

Variant links:

Genes affected

RBM42 (HGNC:28117): (RNA binding motif protein 42) Enables RNA binding activity. Predicted to act upstream of or within negative regulation of mRNA splicing, via spliceosome. Predicted to be located in cytoplasm and nucleus. Predicted to be part of ribonucleoprotein complex. [provided by Alliance of Genome Resources, Apr 2022]

RBM42 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=0.14530483).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RBM42	NM_024321.5 link	c.517C>G	p.Leu173Val	missense_variant	Exon 6 of 10	ENST00000262633.9	NP_077297.2	Q9BTD8-1
RBM42	NM_001319113.2 link	c.443-13C>G		intron_variant	Intron 4 of 8		NP_001306042.1	Q9BTD8-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RBM42	ENST00000262633.9 link	c.517C>G	p.Leu173Val	missense_variant	Exon 6 of 10	1	NM_024321.5	ENSP00000262633.3		Q9BTD8-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1460620

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726624

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33440

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26114

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86226

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1110906

Other (OTH)

AF:

0.00

AC:

AN:

60348

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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

Feb 26, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.517C>G (p.L173V) alteration is located in exon 6 (coding exon 6) of the RBM42 gene. This alteration results from a C to G substitution at nucleotide position 517, causing the leucine (L) at amino acid position 173 to be replaced by a valine (V). 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

0.071

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.57

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.023

T;T

Eigen

Benign

-0.17

Eigen_PC

Benign

-0.0074

FATHMM_MKL

Uncertain

0.93

LIST_S2

Benign

0.64

T;T

M_CAP

Benign

0.0038

MetaRNN

Benign

0.15

T;T

MetaSVM

Benign

-0.97

MutationAssessor

Benign

1.0

L;.

PhyloP100

1.1

PrimateAI

Uncertain

0.62

PROVEAN

Benign

-0.29

N;.

REVEL

Benign

0.031

Sift

Benign

0.037

D;.

Sift4G

Benign

0.86

T;T

Polyphen

0.062

B;.

Vest4

0.22

MutPred

0.22

Gain of catalytic residue at L173 (P = 0.004);.;

MVP

0.28

MPC

0.28

ClinPred

0.14

GERP RS

3.5

Varity_R

0.054

gMVP

0.076

Mutation Taster

=91/9

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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chr19-35633085-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over