根拠: gel filtration, The apparent molecular weights of EcGlyRS575 in solution was measured using a HiLoad 16/60 Superdex 200 pg column (Cytiva) which was calibrated with standard proteins from Gel ...根拠: gel filtration, The apparent molecular weights of EcGlyRS575 in solution was measured using a HiLoad 16/60 Superdex 200 pg column (Cytiva) which was calibrated with standard proteins from Gel Filtration LMW Calibration Kit (Cytiva). The EcGlyRS575 was eluted at 64.6 mL with a MWSEC = 212.9 kDa, which is close to MWdeduced = 199.2 kDa and supports that EcGlyRS575 forms a heterotetramer in solution.