Viral Tail ProteinsSiphoviridaeBacteriophage P2Pteroylpolyglutamic AcidsT-PhagesCaudoviralesgamma-Glutamyl HydrolaseLactococcus lactisBacteriophage T4ChlorobiumViral ProteinsVirus AttachmentBacteriochlorophyllsCryoelectron MicroscopyBacteriophagesGenes, ViralCarboxypeptidasesKnee ProsthesisAdsorptionColiphagesOpen Reading FramesMicroscopy, ElectronEscherichia coliViral Structural ProteinsModels, MolecularFolic AcidMutationProtein ConformationCrystallography, X-RayElectrophoresis, Polyacrylamide GelMolecular Sequence DataMolecular WeightAmino Acid Sequence