例句與造句

1. gfral was high expressed in e . coli after iptg induction . by ni2 + chelation affinity chromatography, the purified recombinant gfral protein were obtained . based on the evolutionary trace method, multiple sequence alignment and dendrogram construction were then carried out by the clustalx program and constructed a phylogenetic tree from a multiple sequence alignment for a protein family
   2.gdnf的表達及其對pc12基因工程細胞的影響用本教研室已構(gòu)建好的表達質(zhì)粒pet一gdnf轉(zhuǎn)化大腸桿菌bl21(de3)，經(jīng)lmmipto誘導(dǎo)gdnf表達，并在niz氣nta柱上進行純化，稀釋復(fù)性后，純度達90%以上。
2. It's difficult to find clustalx in a sentence. 用clustalx造句挺難的