Systemic ATTR amyloidosis causes the abnormal accumulation of ATTR fibrils formed from the human plasma protein transthyretin (TTR) in multiple organs including the eye. Here, the authors present a 3.2 Å cryo-EM structure of an ATTR fibril isolated from the vitreous body of an ATTR patient’s eye and discuss the mechanism for the structural conversion of TTR into a fibrillar form.
- Irina Iakovleva
- Michael Hall
- A. Elisabeth Sauer-Eriksson