title: The structure of a bacteriophage T7 procapsid and its in vivo conversion product probed by digestion with trypsin.
mesh_terms: D002213:Capsid / Q000032:analysis* / Q000648:ultrastructure; D004587:Electrophoresis, Agar Gel; D004591:Electrophoresis, Polyacrylamide Gel; D046911:Macromolecular Substances; D008854:Microscopy, Electron; D010455:Peptides / Q000032:analysis; D013604:T-Phages / Q000032:analysis* / Q000648:ultrastructure; D014357:Trypsin; D014764:Viral Proteins / Q000032:analysis*
chemical_list: D046911:Macromolecular Substances; D010455:Peptides; D014764:Viral Proteins; D014357:Trypsin