Genetic Variant MRM1:p.Phe168Leu (chr17-36602314-C-G) – ACMG Classification: Benign (-10 pts)

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_024864.5(MRM1):c.504C>G(p.Phe168Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000656 in 1,584,742 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0034 ( 2 hom., cov: 32)

Exomes 𝑓: 0.00036 ( 4 hom. )

Consequence

MRM1
NM_024864.5 missense

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.61

Publications

2 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:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.010612488).

BP6

Variant 17-36602314-C-G is Benign according to our data. Variant chr17-36602314-C-G is described in ClinVar as [Benign]. Clinvar id is 1685662.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MRM1	NM_024864.5 link	c.504C>G	p.Phe168Leu	missense_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.504C>G	p.Phe168Leu	missense_variant	Exon 1 of 5	1	NM_024864.5	ENSP00000481559.1		Q6IN84-1
MRM1	ENST00000612760.1 link	c.-44+138C>G		intron_variant	Intron 1 of 4	1		ENSP00000482526.1		A0A087WZC1

Frequencies

GnomAD3 genomes

AF:

0.00339

AC:

516

AN:

152200

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0118

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00124

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:

0.00335

GnomAD2 exomes

AF:

0.000928

AC:

214

AN:

230524

AF XY:

0.000666

show subpopulations

Gnomad AFR exome

AF:

0.0129

Gnomad AMR exome

AF:

0.000554

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000974

Gnomad OTH exome

AF:

0.000356

GnomAD4 exome

AF:

0.000364

AC:

521

AN:

1432424

Hom.:

Cov.:

AF XY:

0.000315

AC XY:

223

AN XY:

708032

show subpopulations

African (AFR)

AF:

0.0136

AC:

445

AN:

32738

American (AMR)

AF:

0.000586

AC:

AN:

42650

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24740

East Asian (EAS)

AF:

0.00

AC:

AN:

39116

South Asian (SAS)

AF:

0.0000476

AC:

AN:

84114

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51648

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5642

European-Non Finnish (NFE)

AF:

0.00000366

AC:

AN:

1092886

Other (OTH)

AF:

0.000730

AC:

AN:

58890

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

131

164

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00341

AC:

519

AN:

152318

Hom.:

Cov.:

AF XY:

0.00332

AC XY:

247

AN XY:

74480

show subpopulations

African (AFR)

AF:

0.0118

AC:

492

AN:

41572

American (AMR)

AF:

0.00124

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5172

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68032

Other (OTH)

AF:

0.00331

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

120

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000129

Hom.:

Bravo

AF:

0.00401

ESP6500AA

AF:

0.00720

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00118

AC:

142

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

May 04, 2022

Mendelics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.94

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Uncertain

-0.040

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.081

Eigen

Benign

0.070

Eigen_PC

Benign

0.066

FATHMM_MKL

Uncertain

0.90

MetaRNN

Benign

0.011

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.4

PhyloP100

1.6

PrimateAI

Uncertain

0.70

Sift4G

Benign

0.19

Polyphen

0.89

Vest4

0.60

MutPred

0.68

Loss of catalytic residue at F168 (P = 0.0648);

MVP

0.36

ClinPred

0.053

GERP RS

1.8

PromoterAI

-0.046

Neutral

(source)

Varity_R

0.53

gMVP

0.76

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.040

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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17-36602314-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over