title: Morphogenetic core of the bacteriophage T4 head. Structure of the core in polyheads.
mesh_terms: D002172:Canavanine / Q000494:pharmacology; D003090:Coliphages / Q000187:drug effects / Q000254:growth & development / Q000648:ultrastructure*; D009154:Mutation; D014764:Viral Proteins
chemical_list: D014764:Viral Proteins; D002172:Canavanine