The protease from ?Serratia marcescens ?41003(2)was completely inactivated by EDTA at pH7?0 and was reactivated by Ca??2+?,thus,Ca??2+? is essential for the activity of the enzyme.是什么意思_The protease from ?Serratia marcescens ?41003(2)was completely inactivated by EDTA at pH7?0 and was reactivated by Ca??2+?,thus,Ca??2+? is essential for the activity of the enzyme.在线翻译_英语_读音_用法_例句