Alpha-synuclein substrates and methods for making and using the same

Abstract

An expression vector is provided for production of human alpha-synuclein (αS) protein or a conservative variant thereof that exhibits a decreased tendency to self-aggregate in an αS seed amplification assay (SAA). The expression vector comprises a nucleic acid sequence coding for human αS protein or a conservative variant, the nucleic acid sequence comprising codons that have been optimized to produce human αS protein or a conservative variant when expressed by a host cell such as E. coli. The codons have been optimized to avoid amino acid misincorporation in the expressed protein. Methods for purification of the expressed protein are also provided.

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