Novel affinity resins can be used for the isolation of bacterial luciferase, by saturating the resin with a sample containing bacterial luciferase suspended in an anionic buffer solution; washing the saturated resin with additional anionic buffer to remove unbound protein; eluting the washed saturated resin with a cationic buffer solution; and recovering the bacterial luciferase. Novel resins which can be used for this purpose comprise a support material, a spacer arm and a ligand, and are represented by formulae J, K and M.
新型亲和
树脂可用于分离细菌
荧光素酶,具体方法是:用悬浮在阴离子缓冲溶液中含有细菌
荧光素酶的样品使
树脂饱和;用额外的阴离子缓冲溶液洗涤饱和
树脂以除去未结合的蛋白质;用阳离子缓冲溶液洗脱洗涤后的饱和
树脂;然后回收细菌
荧光素酶。可用于此目的的新型
树脂由支撑材料、间隔臂和
配体组成,用式 J、K 和 M 表示。