chrM-10463-T-C

Position:

• chrM-10463-T-C

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 0P and 11B. BP4 BP6_Moderate BA1

The ENST00000387439.1(MT-TR):​n.59T>C variant causes a non coding transcript exon change involving the alteration of a non-conserved nucleotide. Variant has been reported in ClinVar as Benign (★).

• Frequency: Mitomap GenBank: 𝑓 0.051 (AC: 3131)
• Consequence: MT-TR ENST00000387439.1 non_coding_transcript_exon
• Scores: Mitotip Benign 2.7
• Clinical Significance: Benign criteria provided, single submitter B:1 No linked disesase in Mitomap
• Conservation: PhyloP100: -1.53

Genes affected

MT-TR (HGNC:7496): (mitochondrially encoded tRNA arginine)

TRNR (HGNC:):

MT-ND4L (HGNC:7460): (mitochondrially encoded NADH 4L dehydrogenase) Predicted to enable NADH dehydrogenase (ubiquinone) activity. Predicted to be located in mitochondrial inner membrane. Implicated in Leber hereditary optic neuropathy and diabetes mellitus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -11 ACMG points.

• BP4: Mitotip and hmtvar scores support benign criterium.
• BP6: Variant M-10463-T-C is Benign according to our data. Variant chrM-10463-T-C is described in ClinVar as [Benign]. Clinvar id is 690128.Status of the report is criteria_provided_single_submitter, 1 stars.
• BA1: High frequency in mitomap database: 0.0512

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TRNR	TRNR.1	n.59T>C		non_coding_transcript_exon_variant	1/1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MT-TR	ENST00000387439.1	n.59T>C		non_coding_transcript_exon_variant	1/1
MT-ND4L	ENST00000361335.1			upstream_gene_variant				P1

Frequencies

GnomAD4 exome Cov.: 0

We have no GnomAD4 genomes data on this position. Probably position not covered by the project.

Mitomap GenBank AF: 0.051 AC: 3131

Gnomad homoplasmic AF: 0.058 AC: 3274 AN: 56428

Gnomad heteroplasmic AF: 0.000035 AC: 2 AN: 56428

Alfa AF: 0.0955 Hom.: 3149

Mitomap

No disease associated.

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

Juvenile myopathy, encephalopathy, lactic acidosis AND stroke Benign:1

Benign, criteria provided, single submitter

clinical testing

Wong Mito Lab, Molecular and Human Genetics, Baylor College of Medicine

Jul 12, 2019

The NC_012920.1:m.10463T>C variant in MT-TR gene is interpreted to be a Benign variant based on the modified ACMG guidelines (unpublished). This variant meets the following evidence codes reported in the guidelines: BA1, BP4 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
Mitotip	Benign	2.7
Hmtvar	Benign	0.20

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs28358279; hg19: chrM-10464;