staphylococcal protein a meaning in English

葡萄球菌蛋白a,葡萄球菌a蛋白

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
通过离子交换层析和凝胶过滤层分别对两种嵌合体蛋白进行纯化，纯化产物在tricine - sds - page中都显示为单一条带。活性分析结果表明两种嵌合体蛋白在保留水蛭素抗凝血酶活力的同时，还呈现抗血小板聚集活性。