title: A metrizamide-impermeable capsid in the DNA packaging pathway of bacteriophage T7.
mesh_terms: D002213:Capsid / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D004587:Electrophoresis, Agar Gel; D007483:Iothalamic Acid; D007700:Kinetics; D008793:Metrizamide; D008854:Microscopy, Electron; D013604:T-Phages / Q000032:analysis*; D014764:Viral Proteins / Q000032:analysis*; D014779:Virus Replication
chemical_list: D014764:Viral Proteins; D007483:Iothalamic Acid; D008793:Metrizamide