Quistad GB, Suwanrumpha S, Jarema MA, Shapiro MJ, Skinner WS, Jamieson GC, Lui A, Fu EW. Structures of paralytic acylpolyamines from the spider Agelenopsis aperta.
Biochem Biophys Res Commun 1990;
169:51-6. [PMID:
2350352 DOI:
10.1016/0006-291x(90)91431-q]
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Abstract
The structures are given for five paralytic acylpolyamines from the venom of the funnel web spider, Agelenopsis aperta. The acyl moieties are derived from (3-indolyl)acetic acid, (4-hydroxy-3-indolyl)acetic acid, and 4-hydroxybenzoic acid. The polyamine portions of the toxins are novel. Three toxins (AG489, AG505, and AG452) contain 1, 5, 9, 13, 18, 22-hexaazadocosane which is unique as a natural polyamine because of its length and hydroxylation at the 5-aza position. The polyamine portions of two other alpha-agatoxins (AG488 and AG504) are unusual also, containing guanidinooxy moieties.
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