MOESM2 of Fate of the UPR marker protein Kar2/Bip and autophagic processes in fed-batch cultures of secretory insulin precursor producing Pichia pastoris RothGustavo VanzAna LünsdorfHeinrich NimtzManfred RinasUrsula 2018 Additional file 2. HPLC–MS/MS analysis of protein band at approx. 35 kDa.