AIM: To prepare recombinant ricinA-chain (RTA) protein with high biological activity.
目的：制备有高生物活性的重组蓖麻毒素a链蛋白(RTA)。
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Using homology method, mutant ricin toxin A-chain(MRTA) deleting part of amino acid sequence was modeled by molecular mechanics optimization and molecular dynamics simulated annealing.