Genetic Variant NM_024864.5:c.504C>T (chr17-36602314-C-T) – 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.504C>T(p.Phe168Phe) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000505 in 1,584,626 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: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000049 ( 0 hom. )

Consequence

MRM1
NM_024864.5 synonymous

Scores

Clinical Significance

Not reported in ClinVar

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:

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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=-0.41).

BP7

Synonymous conserved (PhyloP=1.61 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MRM1	NM_024864.5 link	c.504C>T	p.Phe168Phe	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.504C>T	p.Phe168Phe	synonymous_variant	Exon 1 of 5	1	NM_024864.5	ENSP00000481559.1		Q6IN84-1
MRM1	ENST00000612760.1 link	c.-44+138C>T		intron_variant	Intron 1 of 4	1		ENSP00000482526.1		A0A087WZC1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152202

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:

0.00000489

AC:

AN:

1432424

Hom.:

Cov.:

AF XY:

0.00000424

AC XY:

AN XY:

708032

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32738

American (AMR)

AF:

0.00

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:

0.00

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:

0.00000641

AC:

AN:

1092886

Other (OTH)

AF:

0.00

AC:

AN:

58890

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152202

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74354

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41452

American (AMR)

AF:

0.00

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68040

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.41

CADD

Benign

7.8

(source)

DANN

Benign

0.94

PhyloP100

1.6

PromoterAI

-0.053

Neutral

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

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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NM_024864.5:c.504C>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over