Genetic Variant RBM45:p.Asp21Asn (chr2-178112607-G-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_152945.4(RBM45):c.61G>A(p.Asp21Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Consequence

RBM45
NM_152945.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.58

Publications

3 publications found

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:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.28536448).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RBM45	NM_152945.4 link	c.61G>A	p.Asp21Asn	missense_variant	Exon 1 of 10	ENST00000286070.10	NP_694453.2	Q8IUH3-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RBM45	ENST00000286070.10 link	c.61G>A	p.Asp21Asn	missense_variant	Exon 1 of 10	1	NM_152945.4	ENSP00000286070.5		Q8IUH3-3
RBM45	ENST00000424000.6 link	n.184G>A		non_coding_transcript_exon_variant	Exon 1 of 9	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000400

AC:

AN:

249712

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000545

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 08, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.61G>A (p.D21N) alteration is located in exon 1 (coding exon 1) of the RBM45 gene. This alteration results from a G to A substitution at nucleotide position 61, causing the aspartic acid (D) at amino acid position 21 to be replaced by an asparagine (N). 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

Pathogenic

0.92

BayesDel_addAF

Benign

-0.34

BayesDel_noAF

Benign

-0.56

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.21

T;.

Eigen

Uncertain

0.59

Eigen_PC

Pathogenic

0.67

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Uncertain

0.89

D;D

M_CAP

Benign

0.022

MetaRNN

Benign

0.29

T;T

MetaSVM

Benign

-1.2

MutationAssessor

Benign

0.0

N;N

PhyloP100

9.6

PrimateAI

Uncertain

0.61

PROVEAN

Uncertain

-2.9

.;D

REVEL

Benign

0.17

Sift

Uncertain

0.0030

.;D

Sift4G

Uncertain

0.0080

D;D

Polyphen

0.73

.;P

Vest4

0.52

MutPred

0.17

Gain of glycosylation at P24 (P = 0.117);Gain of glycosylation at P24 (P = 0.117);

MVP

0.44

MPC

1.4

ClinPred

0.91

GERP RS

5.5

PromoterAI

0.032

Neutral

(source)

Varity_R

0.50

gMVP

0.49

Mutation Taster

=47/53

disease causing

(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

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over