2-101002804-G-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP3BS2

The NM_000993.5(RPL31):c.103G>A(p.Gly35Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000013 in 1,612,158 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

RPL31
NM_000993.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 9.74

Variant links:

Genes affected

RPL31 (HGNC:10334): (ribosomal protein L31) Ribosomes, the organelles 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 L31E family of ribosomal proteins. It is located in the cytoplasm. Higher levels of expression of this gene in familial adenomatous polyps compared to matched normal tissues have been observed. As is typical for genes encoding ribosomal proteins, there are multiple processed pseudogenes of this gene dispersed through the genome. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

RPL31 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.767

BS2

High AC in GnomAd at 13 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
RPL31	NM_000993.5 linkuse as main transcript	c.103G>A	p.Gly35Arg	missense_variant	2/5	ENST00000264258.8
RPL31	NM_001098577.3 linkuse as main transcript	c.103G>A	p.Gly35Arg	missense_variant	2/5
RPL31	NM_001099693.2 linkuse as main transcript	c.103G>A	p.Gly35Arg	missense_variant	2/4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
RPL31	ENST00000264258.8 linkuse as main transcript	c.103G>A	p.Gly35Arg	missense_variant	2/5	1	NM_000993.5	P1	P62899-1

Frequencies

GnomAD3 genomes

AF:

0.0000854

AC:

AN:

152176

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000720

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:

0.00

Gnomad OTH

AF:

0.000956

GnomAD4 exome

AF:

0.00000548

AC:

AN:

1459982

Hom.:

Cov.:

AF XY:

0.00000551

AC XY:

AN XY:

726434

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.0000671

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.01e-7

Gnomad4 OTH exome

AF:

0.0000498

GnomAD4 genome

AF:

0.0000854

AC:

AN:

152176

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74324

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.000720

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.000956

Alfa

AF:

0.0000847

Hom.:

Bravo

AF:

0.000238

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jan 03, 2024

The c.103G>A (p.G35R) alteration is located in exon 2 (coding exon 1) of the RPL31 gene. This alteration results from a G to A substitution at nucleotide position 103, causing the glycine (G) at amino acid position 35 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Invitae

Aug 04, 2023

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 1974635). This variant has not been reported in the literature in individuals affected with RPL31-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 35 of the RPL31 protein (p.Gly35Arg). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.96

BayesDel_addAF

Pathogenic

0.20

BayesDel_noAF

Uncertain

0.050

Cadd

Pathogenic

Dann

Uncertain

1.0

DEOGEN2

Benign

0.36

T;T;.;.;T;T;.;.;T

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.56

FATHMM_MKL

Uncertain

0.97

M_CAP

Benign

0.042

MetaRNN

Pathogenic

0.77

D;D;D;D;D;D;D;D;D

MetaSVM

Uncertain

-0.18

MutationAssessor

Pathogenic

3.0

M;.;M;M;M;.;.;.;.

MutationTaster

Benign

1.0

D;D;D;D;D;D;D;D

PrimateAI

Pathogenic

0.92

PROVEAN

Pathogenic

-7.0

D;D;D;D;D;D;D;D;D

REVEL

Uncertain

0.41

Sift

Benign

0.044

D;D;D;T;D;D;D;D;D

Sift4G

Benign

0.072

T;T;T;T;T;T;T;T;T

Polyphen

0.59

P;B;.;.;P;P;D;.;B

Vest4

0.77

MutPred

0.47

Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);Gain of solvent accessibility (P = 0.0037);

MVP

0.51

MPC

1.9

ClinPred

1.0

GERP RS

4.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.69

gMVP

0.79

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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