chrM-13212-C-T

Variant names:

• chrM-13212-C-T
• rs1556424241
• ENST00000361567.2:c.876C>T

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP6_Moderate BP7 BS2

The ENST00000361567.2(MT-ND5):​c.876C>T​(p.Ala292Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. Variant has been reported in ClinVar as Likely benign (★).

• Frequency: Mitomap GenBank: 𝑓 0.0012 (AC: 75)
• Consequence: MT-ND5 ENST00000361567.2 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1 No linked disesase in Mitomap
• Conservation: PhyloP100: -11.3
• Publications: 0 publications found

Genes affected

MT-ND5 (HGNC:7461): (mitochondrially encoded NADH dehydrogenase 5) Enables NADH dehydrogenase (ubiquinone) activity. Involved in mitochondrial electron transport, NADH to ubiquinone and mitochondrial respiratory chain complex I assembly. Part of mitochondrial respiratory chain complex I. Implicated in Leber hereditary optic neuropathy; Leigh disease; and MELAS syndrome. [provided by Alliance of Genome Resources, Apr 2022]

MT-ND5 Gene-Disease associations (from GenCC):

• Leigh syndrome

  Inheritance: Mitochondrial Classification: DEFINITIVE Submitted by: ClinGen
• mitochondrial disease

  Inheritance: Mitochondrial Classification: DEFINITIVE Submitted by: ClinGen
• Leber hereditary optic neuropathy

  Inheritance: Mitochondrial Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, G2P
• maternally-inherited Leigh syndrome

  Inheritance: Mitochondrial Classification: SUPPORTIVE Submitted by: Orphanet
• MELAS syndrome

  Inheritance: Mitochondrial Classification: SUPPORTIVE Submitted by: Orphanet
• MERRF syndrome

  Inheritance: Mitochondrial Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Benign. The variant received -7 ACMG points.

• BP6: Variant M-13212-C-T is Benign according to our data. Variant chrM-13212-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 445987.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=-11.3 with no splicing effect.
• BS2: High AC in GnomadMitoHomoplasmic at 39

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ND5	unassigned_transcript_4815	c.876C>T	p.Ala292Ala	synonymous_variant	Exon 1 of 1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MT-ND5	ENST00000361567.2	c.876C>T	p.Ala292Ala	synonymous_variant	Exon 1 of 1	6		ENSP00000354813.2

Frequencies

Mitomap GenBank AF: 0.0012 AC: 75

Gnomad homoplasmic AF: 0.00069 AC: 39 AN: 56434

Gnomad heteroplasmic AF: 0.000018 AC: 1 AN: 56434

Mitomap

No disease associated.

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Benign:1

Jun 02, 2017

Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

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Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
PhyloP100		-11
Mutation Taster		=64/36	polymorphism

Other links and lift over

dbSNP: rs1556424241; hg19: chrM-13213;