rs774237195

Positions:

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_020191.4(MRPS22):c.404G>A(p.Arg135Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000558 in 1,613,992 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 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

MRPS22
NM_020191.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter P:1U:2

Conservation

PhyloP100: 9.06

Variant links:

Genes affected

MRPS22 (HGNC:14508): (mitochondrial ribosomal protein S22) Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 28S subunit protein that does not seem to have a counterpart in prokaryotic and fungal-mitochondrial ribosomes. This gene lies telomeric of and is transcribed in the opposite direction from the forkhead box L2 gene. A pseudogene corresponding to this gene is found on chromosome Xq. [provided by RefSeq, Jul 2008]

MRPS22 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.893

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
MRPS22	NM_020191.4 linkuse as main transcript	c.404G>A	p.Arg135Gln	missense_variant	3/8	ENST00000680020.1	NP_064576.1
MRPS22	NM_001363893.1 linkuse as main transcript	c.401G>A	p.Arg134Gln	missense_variant	3/8		NP_001350822.1
MRPS22	NM_001363857.1 linkuse as main transcript	c.281G>A	p.Arg94Gln	missense_variant	3/8		NP_001350786.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MRPS22	ENST00000680020.1 linkuse as main transcript	c.404G>A	p.Arg135Gln	missense_variant	3/8		NM_020191.4	ENSP00000505414	P4	P82650-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152208

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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

GnomAD4 exome

AF:

0.00000547

AC:

AN:

1461784

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727204

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

0.00000719

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152208

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74362

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Pathogenic:1Uncertain:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Premature ovarian failure

Uncertain:2

Uncertain significance, no assertion criteria provided	research	Lupski Lab, Baylor-Hopkins CMG, Baylor College of Medicine	Mar 11, 2018	This variant was identified as homozygous in a female with primary ovarian insufficiency, with reduced bone age, small uterus, and ovaries that could not be visualized by pelvic ultrasound. Karyotype was 46,XX. The variant was not identified in control databases including gnomAD, nor a population-specific (Turkish) database of > 1000 exomes. -
Uncertain significance, criteria provided, single submitter	research	Lupski Lab, Baylor-Hopkins CMG, Baylor College of Medicine	Apr 22, 2019	This variant was identified as homozygous in a female individual with hypergonadotropic hypogonadism. -

Ovarian dysgenesis 7

Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Sep 18, 2018

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.59

BayesDel_addAF

Pathogenic

0.36

BayesDel_noAF

Pathogenic

0.28

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.79

D;D;D;.;.

Eigen

Uncertain

0.61

Eigen_PC

Uncertain

0.53

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.97

.;D;D;D;D

M_CAP

Uncertain

0.13

MetaRNN

Pathogenic

0.89

D;D;D;D;D

MetaSVM

Uncertain

0.39

MutationAssessor

Uncertain

2.3

M;M;.;.;.

MutationTaster

Benign

1.0

D;D;D;D

PrimateAI

Benign

0.44

PROVEAN

Uncertain

-3.0

D;D;D;D;D

REVEL

Pathogenic

0.74

Sift

Uncertain

0.011

D;D;D;D;D

Sift4G

Uncertain

0.014

D;D;D;D;D

Polyphen

1.0

D;D;D;.;D

Vest4

0.90

MutPred

0.70

Gain of relative solvent accessibility (P = 0.0479);Gain of relative solvent accessibility (P = 0.0479);.;.;.;

MVP

0.90

MPC

1.1

ClinPred

0.98

GERP RS

4.1

Varity_R

0.25

gMVP

0.81

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