Argonaute ProteinsEukaryotic Initiation FactorsRNA-Induced Silencing ComplexRibonuclease IIIMicroRNAsRNA InterferenceRNA, Small InterferingEukaryotic Initiation Factor-2RNA-Binding ProteinsAlpha-AmanitinCytoplasmic StructuresGene SilencingCaenorhabditis elegansRNA, GuideDrosophila ProteinsRNA StabilityCaenorhabditis elegans ProteinsPeptide Initiation FactorsRNA, Double-StrandedProtein Structure, TertiaryDrosophila melanogasterRNA Processing, Post-TranscriptionalRNA, MessengerGerm CellsImmunoprecipitationMolecular Sequence DataDrosophilaProtein BindingMutationBase SequenceRNACell LineGene Expression RegulationAmino Acid SequenceRNA, PlantRNA Cleavage