例句與造句

1. Strain bl21 , and gene expression was induced by iptg . the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene . using ion exchange chromatography and gel filtration chromatography , the chimera proteins were purified , and both of them showed a single band in tricine - sds - page . the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities , but gain platelet aggregation inhibitory activities as well
   通過離子交換層析和凝膠過濾層分別對(duì)兩種嵌合體蛋白進(jìn)行純化，純化產(chǎn)物在tricine - sds - page中都顯示為單一條帶?；钚苑治鼋Y(jié)果表明兩種嵌合體蛋白在保留水蛭素抗凝血酶活力的同時(shí)，還呈現(xiàn)抗血小板聚集活性。
2. It's difficult to find staphylococcal protein in a sentence. 用staphylococcal protein造句挺難的