Two new affinity resins for the purification of opioid-binding materials were prepared. On was AH-Sepharose coupled with [D-Ala2, D-Leu5]enkephalin and the other was AF-Amino Toyopearl with [D-Ala2, Leu5]enkephalin. Solubilized-opioid receptors from rat brain were treated with these affinity resins and the materials with opioid-binding activities were purified. On sodium dodecyl sulfate (SDS)-polycrylamide gel electrophoresis, the purified materials showed one major band with a molecular weight of 62000-64000. The results suggested that the prepared resins are useful tools for the purification of opioid receptors.
制备了两种用于纯化阿片类结合材料的新型亲和
树脂。一种是与[D-Ala2, D-Leu5]enkephalin偶联的AH-Sepharose,另一种是与[D-Ala2, Leu5]enkephalin偶联的AF-Amino Toyopearl。用这些亲和
树脂处理从大鼠脑中溶解的阿片受体,纯化出具有阿片结合活性的物质。在
十二烷基硫酸钠(
SDS)-聚
丙烯酰胺凝胶电泳中,纯化的材料显示出一条分子量为 62000-64000 的主带。结果表明,所制备的
树脂是纯化阿片受体的有用工具。