MYH11 (Myosin-11) variants and mutations

MYH11 (also known as Myosin-11) is a human protein-coding gene encoding a myosin-11 protein. Its smooth-muscle myosin motor generates contractile force in arteries and visceral organs. Pathogenic variants can impair aortic smooth-muscle mechanics and cause familial thoracic aortic aneurysm and dissection, sometimes with patent ductus arteriosus. This analysis covers 3,160 MYH11 variants and mutations. Of these, 70% have computational variant effect predictions. Disease context includes aortic aneurysm, familial thoracic 4, megacystis-microcolon-intestinal hypoperistalsis syndrome 2, and familial thoracic aortic aneurysm and aortic dissection. Example MYH11 variants include M1V, A2G, and A2T.

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 MYH11 variants

Examples include M1V, A2G, A2T, A2V, Q3K, K4N, K4T, G5D. Listed records include available protein-change notation, database identifiers, clinical classifications, computational predictions, population evidence, experimental measurements, and disease context.