例句與造句

1. The protein has the immunogenicity of human calcitonin verified by western blot analysis . after optimization of condition , fusion protein was concentrated by ultrafiltration and cleaved by factor x a , then recombinant novel hct was obtained
   表達條件優(yōu)化后，可溶性蛋白的表達量占胞內(nèi)總蛋白的10 。經(jīng)超濾濃縮后，融合蛋白在xa因子作用下產(chǎn)生重組的新型降鈣素，進一步分離純化得到該蛋白的初級純品。
2. It's difficult to find factor x a in a sentence. 用factor x a造句挺難的