2-86206268-G-A

Position:

chr2-86206268-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_016622.4(MRPL35):c.206G>A(p.Cys69Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,374 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

MRPL35
NM_016622.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.252

Variant links:

Genes affected

MRPL35 (HGNC:14489): (mitochondrial ribosomal protein L35) 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 39S subunit protein. Sequence analysis identified three transcript variants. Pseudogenes corresponding to this gene are found on chromosomes 6p, 10q, and Xp. [provided by RefSeq, Jul 2008]

MRPL35 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.037385106).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
MRPL35	NM_016622.4 linkuse as main transcript	c.206G>A	p.Cys69Tyr	missense_variant	2/4	ENST00000337109.9	NP_057706.2
MRPL35	NM_001363782.1 linkuse as main transcript	c.206G>A	p.Cys69Tyr	missense_variant	2/5		NP_001350711.1
MRPL35	NM_145644.3 linkuse as main transcript	c.206G>A	p.Cys69Tyr	missense_variant	2/5		NP_663619.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MRPL35	ENST00000337109.9 linkuse as main transcript	c.206G>A	p.Cys69Tyr	missense_variant	2/4	1	NM_016622.4	ENSP00000338389	P1	Q9NZE8-1
MRPL35	ENST00000254644.12 linkuse as main transcript	c.206G>A	p.Cys69Tyr	missense_variant	2/5	1		ENSP00000254644		Q9NZE8-2
MRPL35	ENST00000409180.1 linkuse as main transcript	c.206G>A	p.Cys69Tyr	missense_variant	2/5	3		ENSP00000386255
MRPL35	ENST00000605125.5 linkuse as main transcript	c.206G>A	p.Cys69Tyr	missense_variant	2/3	2		ENSP00000473925

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000119

AC:

AN:

251070

Hom.:

AF XY:

0.00000737

AC XY:

AN XY:

135694

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000163

Gnomad SAS 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:

0.00000137

AC:

AN:

1461374

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727008

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000504

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Mar 07, 2024

The c.206G>A (p.C69Y) alteration is located in exon 2 (coding exon 2) of the MRPL35 gene. This alteration results from a G to A substitution at nucleotide position 206, causing the cysteine (C) at amino acid position 69 to be replaced by a tyrosine (Y). 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

Benign

0.066

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.72

CADD

Benign

6.5

DANN

Benign

0.28

DEOGEN2

Benign

0.00076

.;.;T;.

Eigen

Benign

-1.2

Eigen_PC

Benign

-1.1

FATHMM_MKL

Benign

0.060

LIST_S2

Benign

0.59

T;T;T;T

M_CAP

Benign

0.0053

MetaRNN

Benign

0.037

T;T;T;T

MetaSVM

Benign

-0.95

MutationAssessor

Benign

1.4

L;.;L;.

MutationTaster

Benign

1.0

N;N

PrimateAI

Benign

0.34

PROVEAN

Benign

-0.57

N;.;N;N

REVEL

Benign

0.017

Sift

Benign

0.86

T;.;T;T

Sift4G

Benign

1.0

T;T;T;T

Polyphen

0.0

.;.;B;.

Vest4

0.18

MutPred

0.31

Gain of helix (P = 0.132);Gain of helix (P = 0.132);Gain of helix (P = 0.132);Gain of helix (P = 0.132);

MVP

0.076

MPC

0.24

ClinPred

0.0057

GERP RS

2.2

Varity_R

0.025

gMVP

0.36

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