20972ES Recombinant Asp-N(MS-SAFE)重组天冬氨酸内切酶(质谱级) 来源(Source)大肠杆菌重组表达蛋白纯度(Purity)≥90%外观(Appearance)冻干粉 Yeasen ¥1,895.00 Inquire询 Detail详