chrM-9995-T-C

Position:

• chrM-9995-T-C

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP6_Moderate BS2

Variant has been reported in ClinVar as Likely benign (★).

• Frequency: Mitomap GenBank: 𝑓 0.00010 (AC: 6)
• Consequence: TRNG missense
• Scores: Mitotip Uncertain 9.6
• Clinical Significance: Likely benign criteria provided, single submitter B:1 No linked disesase in Mitomap
• Conservation: PhyloP100: 0.680

Genes affected

TRNG (HGNC:):

ACMG classification

Verdict is Likely_benign. Variant got -6 ACMG points.

• BP6: Variant M-9995-T-C is Benign according to our data. Variant chrM-9995-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 690088.Status of the report is criteria_provided_single_submitter, 1 stars.
• BS2: High AC in GnomadMitoHomoplasmic at 4

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TRNG	unassigned_transcript_4808	c.5T>C	p.Leu2Pro	missense_variant	1/1
COX3	unassigned_transcript_4807	c.*5T>C		downstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt

Frequencies

GnomAD4 exome Cov.: 0

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

Mitomap GenBank AF: 0.00010 AC: 6

Gnomad homoplasmic AF: 0.000071 AC: 4 AN: 56432

Gnomad heteroplasmic AF: 0.000018 AC: 1 AN: 56432

Mitomap

No disease associated.

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

MELAS syndrome Benign:1

Likely 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.9995T>C variant in MT-TG gene is interpreted to be a Likely Benign variant based on the modified ACMG guidelines (unpublished). This variant meets the following evidence codes reported in the guidelines: BS1, BP4, BP6 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
Mitotip	Uncertain	9.6
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: rs1603222616; hg19: chrM-9996;