ConotoxinsConus SnailMollusk VenomsSnailsRetinal Cone Photoreceptor CellsGrowth ConesCone OpsinsNicotinic AntagonistsDisulfidesMolecular Sequence DataCystineAmino Acid SequenceNeurotoxinsSodium Channel BlockersReceptors, NicotinicPeptidesProtein FoldingXenopusSequence AlignmentRetinal Rod Photoreceptor CellsChromatography, High Pressure Liquid