Gene Expression ProfilingOligonucleotide Array Sequence AnalysisAlgorithmsY ChromosomeReceptors, Purinergic P2Y1Molecular Sequence DataReceptors, Purinergic P2YMutationBase SequenceModels, BiologicalProtein BindingSignal TransductionModels, MolecularComputer SimulationModels, GeneticEvolution, MolecularTime FactorsBinding SitesCell LineProtein Structure, TertiaryTranscription FactorsDrosophila ProteinsAmino Acid SequenceKinetics