Human Protrudin constructs (in pmCherry-C1 and pEGFP-C1)48, CMV-integrin-alpha9-GFP29 and CMV-Rab11 -GFP19,29 were used. The CMV promoter in all constructs was replaced by a human synapsin (Syn) promoter by Gibson assembly cloning. The viral vector plasmid backbones (AAV2-sCAG-GFP) were a kind donation by Prof. Joost Verhaagen, The Netherlands Institute for Neuroscience. Protrudin-GFP was cloned from pEGFP-C1 plasmid into viral vector plasmids using Gibson cloning. Site-direct mutagenesis was performed in order to create the Protrudin active phosphomimetic form (QuikChange II Site-Directed Mutagenesis Kit, Agilent Technologies). All primers used for Protrudin cloning are described in Table S1. All constructs were verified by DNA sequencing.
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