chr22-39316765-T-C

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_000967.4(RPL3):c.442A>G(p.Lys148Glu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000162 in 1,613,574 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 0.00011 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00017 ( 0 hom. )

Consequence

RPL3
NM_000967.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.01

Variant links:

Genes affected

RPL3 (HGNC:10332): (ribosomal protein L3) Ribosomes, the complexes that catalyze protein synthesis, consist of a small 40S subunit and a large 60S subunit. Together these subunits are composed of 4 RNA species and approximately 80 structurally distinct proteins. This gene encodes a ribosomal protein that is a component of the 60S subunit. The protein belongs to the L3P family of ribosomal proteins and it is located in the cytoplasm. The protein can bind to the HIV-1 TAR mRNA, and it has been suggested that the protein contributes to tat-mediated transactivation. This gene is co-transcribed with several small nucleolar RNA genes, which are located in several of this gene's introns. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. As is typical for genes encoding ribosomal proteins, there are multiple processed pseudogenes of this gene dispersed through the genome. [provided by RefSeq, Jul 2008]

RPL3 links:

SNORD139 (HGNC:50421): (small nucleolar RNA, C/D box 139) Intronic regions of ribosomal protein genes can harbor noncoding small nucleolar RNAs (snoRNAs), like U86, which are generated during pre-mRNA processing. snoRNAs form part of the small nucleolar ribonucleoprotein particles (snoRNPs) involved in pre-rRNA processing and modification. snoRNAs of the box C/D class, like U86, function in 2-prime-O-ribose methylation of rRNAs (Duga et al., 2000 [PubMed 10684968]).[supplied by OMIM, Mar 2008]

SNORD139 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.1809197).

BS2

High AC in GnomAd4 at 17 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RPL3	NM_000967.4 link	c.442A>G	p.Lys148Glu	missense_variant	Exon 4 of 10	ENST00000216146.9	NP_000958.1	P39023
RPL3	NM_001033853.2 link	c.384+58A>G		intron_variant	Intron 4 of 9		NP_001029025.1	Q96QL0B3KS36
SNORD139	NR_000026.1 link	n.*77A>G		downstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RPL3	ENST00000216146.9 link	c.442A>G	p.Lys148Glu	missense_variant	Exon 4 of 10	1	NM_000967.4	ENSP00000346001.3		P39023

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152204

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000191

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000135

AC:

AN:

251032

Hom.:

AF XY:

0.000147

AC XY:

AN XY:

135738

show subpopulations

Gnomad AFR exome

AF:

0.0000619

Gnomad AMR exome

AF:

0.000202

Gnomad ASJ exome

AF:

0.0000993

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000220

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000167

AC:

244

AN:

1461370

Hom.:

Cov.:

AF XY:

0.000160

AC XY:

116

AN XY:

726984

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000157

Gnomad4 ASJ exome

AF:

0.000268

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000198

Gnomad4 OTH exome

AF:

0.000149

GnomAD4 genome

AF:

0.000112

AC:

AN:

152204

Hom.:

Cov.:

AF XY:

0.0000941

AC XY:

AN XY:

74358

show subpopulations

Gnomad4 AFR

AF:

0.0000241

Gnomad4 AMR

AF:

0.000131

Gnomad4 ASJ

AF:

0.000288

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000191

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000245

Hom.:

Bravo

AF:

0.000151

ExAC

AF:

0.0000741

AC:

EpiCase

AF:

0.000164

EpiControl

AF:

0.000474

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 03, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.442A>G (p.K148E) alteration is located in exon 4 (coding exon 4) of the RPL3 gene. This alteration results from a A to G substitution at nucleotide position 442, causing the lysine (K) at amino acid position 148 to be replaced by a glutamic acid (E). 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

0.60

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.31

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.14

.;T;.;T

Eigen

Benign

0.082

Eigen_PC

Uncertain

0.24

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Benign

0.73

T;T;T;T

M_CAP

Benign

0.019

MetaRNN

Benign

0.18

T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.4

.;L;.;.

PrimateAI

Uncertain

0.52

PROVEAN

Benign

-1.6

N;N;N;N

REVEL

Benign

0.24

Sift

Benign

0.071

T;T;T;T

Sift4G

Benign

0.32

T;T;.;.

Polyphen

0.67

.;P;.;.

Vest4

0.48

MVP

0.21

MPC

0.94

ClinPred

0.098

GERP RS

5.1

Varity_R

0.39

gMVP

0.56

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over