[名词解释] internal signal sequence (内含信号序列)

clathrin-coated vesicle (披网格蛋白小泡) transferrin（转铁蛋白） low-density lipoprotein, LDL (低密度的脂蛋白) docking protein, DP (停靠蛋白) signal recognition partical, SRP (信号识别颗粒), internal signal sequence (内含信号序列)