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Detailed physiological analyses of block caused by one of these toxins, \u03c9\u2010Aga\u2010I show that it suppresses transmitter release at insect and frog neuromuscular junctions and blocks calcium spikes in insect neuronal cell bodies. \u03c9\u2010Aga\u2010I may define a binding site on neuronal calcium channels which is common to both vertebrates and invertebrates.<\/jats:p>","DOI":"10.1002\/neu.480200402","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T03:48:37Z","timestamp":1104551317000},"page":"171-188","source":"Crossref","is-referenced-by-count":67,"title":["\u03c9\u2010Aga\u2010I: A presynaptic calcium channel antagonist from venom of the funnel web spider, <i>Agelenopsis aperta<\/i>"],"prefix":"10.1002","volume":"20","author":[{"given":"Vytautas P.","family":"Bindokas","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael E.","family":"Adams","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,10,11]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0304-3940(86)90559-8"},{"key":"e_1_2_1_3_1","doi-asserted-by":"crossref","first-page":"9877","DOI":"10.1016\/S0021-9258(18)48015-5","article-title":"Identification of the receptor for \u03c9\u2010conotoxin in brain. 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