dbSNP rs1213171072: MRM1:p.Arg85Arg (chr17-36602063-C-A) – ACMG Classification: Likely_benign (-1 pts)

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2BP4_ModerateBP7

The NM_024864.5(MRM1):c.253C>A(p.Arg85Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,457,338 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

MRM1
NM_024864.5 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.17

Publications

0 publications found

Variant links:

Genes affected

MRM1 (HGNC:26202): (mitochondrial rRNA methyltransferase 1) Enables rRNA (guanosine-2'-O-)-methyltransferase activity. Predicted to be involved in rRNA 2'-O-methylation. Located in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

MRM1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.25).

BP7

Synonymous conserved (PhyloP=1.17 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MRM1	NM_024864.5 link	c.253C>A	p.Arg85Arg	synonymous_variant	Exon 1 of 5	ENST00000614766.5	NP_079140.2	Q6IN84-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MRM1	ENST00000614766.5 link	c.253C>A	p.Arg85Arg	synonymous_variant	Exon 1 of 5	1	NM_024864.5	ENSP00000481559.1		Q6IN84-1
MRM1	ENST00000612760.1 link	c.-157C>A		5_prime_UTR_variant	Exon 1 of 5	1		ENSP00000482526.1		A0A087WZC1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.86e-7

AC:

AN:

1457338

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

724978

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33446

American (AMR)

AF:

0.00

AC:

AN:

44690

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26102

East Asian (EAS)

AF:

0.00

AC:

AN:

39644

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86222

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50162

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5750

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111012

Other (OTH)

AF:

0.00

AC:

AN:

60310

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.25

CADD

Benign

8.5

(source)

DANN

Benign

0.84

PhyloP100

1.2

PromoterAI

0.040

Neutral

(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

Computational scores

Splicing

Publications

Other links and lift over