M-10677-G-A

Position:

• chrM-10677-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2 PP3

The ENST00000361335.1(MT-ND4L):​c.208G>A​(p.Glu70Lys) variant causes a missense change. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Mitomap GenBank: 𝑓 0.0 (AC: 0)
• Consequence: MT-ND4L ENST00000361335.1 missense
• Scores: Apogee2 Pathogenic 0.68
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1 No linked disesase in Mitomap
• Conservation: PhyloP100: 4.04

Genes affected

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 Uncertain_significance. Variant got 3 ACMG points.

• PM2: Very low frequency in mitomap database: 0.0
• PP3: Apogee2 supports a deletorius effect, 0.684132 >= 0.5 .

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MT-ND4L	ENST00000361335.1	c.208G>A	p.Glu70Lys	missense_variant	1/1			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: 0.0 AC: 0

Mitomap

No disease associated.

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

Leigh syndrome Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

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

Oct 17, 2019

The NC_012920.1:m.10677G>A (YP_003024034.1:p.Glu70Lys) variant in MTND4L gene is interpretated to be a Uncertain Significance variant based on the modified ACMG guidelines (unpublished). This variant meets the following evidence codes: PP6, PP7, BP4 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
Apogee2	Pathogenic	0.68
Hmtvar	Pathogenic	0.46
AlphaMissense	Pathogenic	0.62
BayesDel_addAF	Benign	-0.24	T
DEOGEN2	Uncertain	0.42	T
LIST_S2	Uncertain	0.91	D
MutationTaster	Benign	0.99	D
PROVEAN	Uncertain	-3.9	D
Sift	Uncertain	0.012	D
Sift4G	Pathogenic	0.0	D
GERP RS		5.2
Varity_R		0.62

Splicing

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

Publications

LitVar

Other links and lift over

dbSNP: rs1603222944; hg19: chrM-10678;