rs118203884

chrM-4409-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2 PP5

The ENST00000387377.1(MT-TM):n.8T>C variant causes a non coding transcript exon change involving the alteration of a conserved nucleotide. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Mitomap GenBank: Absent
• Consequence: MT-TM ENST00000387377.1 non_coding_transcript_exon
• Scores: Mitotip Uncertain 12
• Clinical Significance: Pathogenic no assertion criteria provided P:1 Mitochondrial-myopathy
• Conservation: PhyloP100: 7.56

Genes affected

MT-TM (HGNC:7492): (mitochondrially encoded tRNA methionine)

TRNM (HGNC:):

MT-TQ (HGNC:7495): (mitochondrially encoded tRNA glutamine)

ACMG classification

Verdict is Uncertain_significance. Variant got 3 ACMG points.

• PM2: No frequency data in Mitomap. Probably very rare.
• PP5: Variant M-4409-T-C is Pathogenic according to our data. Variant chrM-4409-T-C is described in ClinVar as [Pathogenic]. Clinvar id is 9578.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TRNM	TRNM.1	n.8T>C		non_coding_transcript_exon_variant	1/1
TRNQ	TRNQ.1			upstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MT-TM	ENST00000387377.1	n.8T>C		non_coding_transcript_exon_variant	1/1
MT-TQ	ENST00000387372.1			upstream_gene_variant

Frequencies

GnomAD4 exome Cov.: 0

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

Mitomap

Mitochondrial-myopathy

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Inborn mitochondrial myopathy Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Dec 05, 2008

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
Mitotip	Uncertain	12
Hmtvar	Pathogenic	1.0

Splicing

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

Publications

LitVar

Other links and lift over

dbSNP: rs118203884; hg19: chrM-4410;