Chemistry
Apamin is a polypeptide possessing an amino acid sequence of H-Cys-Asn-Cys-Lys-Ala-Pro-Glu-Thr-Ala-Leu-Cys-Ala-Arg-Arg-Cys-Gln-Gln-His-NH2 (with disulfide bonds between Cys1-Cys11 and Cys3-Cys15). Because honeybee venom is a complex mixture of short peptides and proteins, it is difficult to isolate apamin. The isolation can be done by electrophoresis, or by chromatography.
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