MFN2 (Mitofusin-2) variants and mutations

MFN2 (also known as Mitofusin-2) is a human protein-coding gene encoding a mitofusin-2 protein. It promotes outer-mitochondrial-membrane fusion and coordinates mitochondrial transport, distribution, and contacts with other organelles. Pathogenic variants are a major cause of Charcot-Marie-Tooth disease type 2A and related axonal neuropathies. This analysis covers 1,317 MFN2 variants and mutations. Of these, 78% have computational variant effect predictions. Disease context includes Charcot-Marie-Tooth disease type 2A2, Charcot-Marie-Tooth disease, axonal, autosomal recessive, type 2a2b, and neuropathy, hereditary motor and sensory, type 6A. Example MFN2 variants include M1V, S2F, and L3M.

Variant analysis overview

Variant and mutation evidence

Clinical, disease, and population context

Protein structure and variant hotspots

Data sources

Evidence in this analysis draws on EBI Proteins Variation, UniProt, gnomAD v4, EuropePMC, 3D Hotspot Analysis, Interaction Network Analysis, Protein Data Bank, AlphaFold DB, gnomAD constraint, Open Targets, ClinGen, MaveDB, LitVar.

Notable MFN2 variants

Examples include M1V, S2F, L3M, L3P, L4F, L4L, F5L, F5V. Listed records include available protein-change notation, database identifiers, clinical classifications, computational predictions, population evidence, experimental measurements, and disease context.