Genetic Variant RBM45:p.Met333Val (chr2-178123841-A-G) – ACMG Classification: Likely_benign (-1 pts)

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4

The NM_152945.4(RBM45):c.997A>G(p.Met333Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000242 in 1,613,788 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: 𝑓 0.00013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

RBM45
NM_152945.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.26

Variant links:

Genes affected

RBM45 (HGNC:24468): (RNA binding motif protein 45) This gene encodes a member of the RNA recognition motif (RRM)-type RNA-binding family of proteins. This protein exhibits preferential binding to poly(C) RNA. Initial cloning of this gene found that the rat ortholog was dynamically expressed in the developing rat brain. This protein has been localized to inclusion bodies in the brain and spinal cord of amyotrophic lateral sclerosis and Alzheimer's patients. A pseudogene has been identified on chromosome 8. [provided by RefSeq, Feb 2015]

RBM45 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.3997894).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RBM45	NM_152945.4 link	c.997A>G	p.Met333Val	missense_variant	Exon 7 of 10	ENST00000286070.10	NP_694453.2	Q8IUH3-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
RBM45	ENST00000286070.10 link	c.997A>G	p.Met333Val	missense_variant	Exon 7 of 10	1	NM_152945.4	ENSP00000286070.5	Q8IUH3-3
RBM45	ENST00000424000.6 link	n.1296A>G		non_coding_transcript_exon_variant	Exon 6 of 9	2
RBM45	ENST00000493048.1 link	n.500A>G		non_coding_transcript_exon_variant	Exon 3 of 4	3
RBM45	ENST00000455903.6 link	c.-24A>G		upstream_gene_variant		3		ENSP00000415940.1	H7C476

Frequencies

GnomAD3 genomes

AF:

0.000131

AC:

AN:

152234

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000458

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000359

AC:

AN:

250746

AF XY:

0.0000369

show subpopulations

Gnomad AFR exome

AF:

0.000557

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000130

AC:

AN:

1461554

Hom.:

Cov.:

AF XY:

0.0000124

AC XY:

AN XY:

727078

show subpopulations

African (AFR)

AF:

0.000478

AC:

AN:

33458

American (AMR)

AF:

0.00

AC:

AN:

44680

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26124

East Asian (EAS)

AF:

0.00

AC:

AN:

39678

South Asian (SAS)

AF:

0.00

AC:

AN:

86166

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111898

Other (OTH)

AF:

0.0000331

AC:

AN:

60382

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.507

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000131

AC:

AN:

152234

Hom.:

Cov.:

AF XY:

0.000161

AC XY:

AN XY:

74370

show subpopulations

African (AFR)

AF:

0.000458

AC:

AN:

41460

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68038

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.470

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000197

Hom.:

Bravo

AF:

0.000132

ESP6500AA

AF:

0.000454

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000247

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 09, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.997A>G (p.M333V) alteration is located in exon 7 (coding exon 7) of the RBM45 gene. This alteration results from a A to G substitution at nucleotide position 997, causing the methionine (M) at amino acid position 333 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

Uncertain

0.51

BayesDel_addAF

Benign

-0.077

BayesDel_noAF

Uncertain

-0.030

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.043

T;.

Eigen

Benign

0.15

Eigen_PC

Uncertain

0.29

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Benign

0.80

T;T

M_CAP

Benign

0.017

MetaRNN

Benign

0.40

T;T

MetaSVM

Benign

-0.94

MutationAssessor

Benign

1.9

L;.

PhyloP100

8.3

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-1.1

.;N

REVEL

Benign

0.28

Sift

Benign

0.26

.;T

Sift4G

Benign

0.50

T;T

Polyphen

0.42

.;B

Vest4

0.71

MVP

0.26

MPC

0.65

ClinPred

0.24

GERP RS

5.2

PromoterAI

-0.033

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.40

gMVP

0.62

Mutation Taster

=60/40

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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2-178123841-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over