The crystal structure of amyloidogenic Leu55 --> Pro transthyretin variant reveals a possible pathway for transthyretin polymerization into amyloid fibrils.

Abstract excerpt

The x-ray crystal structure of the amyloidogenic Leu55 --> Pro transthyretin (TTR) variant, implicated as the causative agent in early-onset familial amyloidotic polyneuropathy (Jacobson, D. R., McFarlin, D. E., Kane, I., and Buxbaum, J. N. (1992) Hum. Genet. 89, 353-356), has been solved by molecular replacement, refined at 2.7 A to a Rcryst value of 0.190 (Fobs > 2.0sigma), and compared with wild-type...

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