THE VENOM OF THE MUD-DAUBER WASP: II. SCELIPHRON CAEMENTARIUM: PROTEIN CONTENT

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Abstract
Gel filtration of Sceliphron caementarium venom, obtained by electrical excitation, has shown an unexpectedly small protein fraction of the dried venom. Disc electrophoresis was used to separate five venom proteins, none of which possess an antigenic character in common with wasp, yellow jacket, hornet, or honeybee venoms. Disc electrophoresis of venom and of venom sac extracts demonstrated the presence in the latter of proteins not in the venom itself.