蛇毒毒素——二。盾鼻蛇毒液中细胞毒素同源物S3C2和S4C8的初级结构。

F J Joubert
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引用次数: 4

摘要

1. 采用凝胶过滤和离子交换色谱分离纯化了芦笋中的细胞毒素同源物S3C2和S4C8。2. 它们由63种氨基酸组成,其中包括8种半胱氨酸。测定了S3C2和S4C8的毒性,LD50值分别为6.6和9.4微克/g小鼠。3.已经确定了毒素S3C2和S4C8的完整一级结构。这两种毒素类似于细胞毒素类型的毒素,在细胞毒素同源物中,神经毒素和细胞毒素的十个结构不变氨基酸是保守的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Snake venom toxins--II. The primary structures of cytotoxin homologues S3C2 and S4C8 from Aspidelaps scutatus (shield or shield-nose snake) venom.

1. Cytotoxin homologues S3C2 and S4C8 from Aspidelaps scutatus were purified by gel filtration and ion exchange chromatography. 2. They consist of 63 amino acids including eight half-cystines. The toxicities of S3C2 and S4C8 were determined and LD50 values of 6.6 and 9.4 micrograms/g mouse were, respectively, found. 3. The complete primary structures of toxins S3C2 and S4C8 have been determined. The two toxins resemble the cytotoxin type toxins and in the cytotoxin homologues the ten structurally invariant amino acids of the neurotoxins and the cytotoxins are conserved.

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