SpermatozoaSperm-Ovum InteractionsMembrane ProteinsSperm HeadCell MembraneSperm CapacitationSperm MaturationAcrosomeSemen PreservationSperm CountEpididymisZona PellucidaSemenAcrosome ReactionBacterial Outer Membrane ProteinsSperm MotilitySeminal Vesicle Secretory ProteinsMembranesIntracellular MembranesMembrane LipidsSperm TransportEgg YolkFertilizationEjaculationInfertility, MaleCryopreservationMolecular Sequence DataMembrane PotentialsAmino Acid SequenceMembranes, ArtificialCell Membrane PermeabilityElectrophoresis, Polyacrylamide GelHyaluronoglucosaminidaseErythrocyte MembraneDetergentsSapindusFertilityMembrane GlycoproteinsCryoprotective AgentsMembrane FluidityTestisEgg ProteinsSeminal Plasma ProteinsCattleMolecular WeightMembrane Transport ProteinsGlycosylphosphatidylinositolsBlotting, WesternBasement MembraneProtein TransportLipid BilayersSea UrchinsBacterial ProteinsEscherichia coliSwinePhosphatidylcholinesSperm Injections, IntracytoplasmicProtein BindingMicroscopy, ElectronOocytesProtein Structure, TertiaryCell LineCarrier ProteinsPorinsAntigens, SurfaceEndoplasmic ReticulumSperm MidpieceGlycoproteinsMutationLipid PeroxidationBase SequenceRecombinant Fusion ProteinsGolgi ApparatusViral Matrix ProteinsModels, BiologicalMitochondrial MembranesEscherichia coli ProteinsSperm BanksCloning, MolecularCell FractionationProtein ConformationProtein Structure, SecondaryLiposomesModels, MolecularSolubilitySequence Homology, Amino AcidMicroscopy, FluorescenceCalciumMalondialdehydeHydrogen-Ion ConcentrationCytoplasmCells, CulturedSynaptic MembranesFluorescent Antibody TechniqueSemen AnalysisRecombinant ProteinsBinding SitesProtein Sorting SignalsMicroscopy, ImmunoelectronSubcellular Fractions