title: Secondary structure change of bacteriophage T4 sheath protein during sheath contraction.
mesh_terms: D002942:Circular Dichroism; D003090:Coliphages / Q000032:analysis / Q000502:physiology / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009905:Optical Rotatory Dispersion; D011487:Protein Conformation; D014764:Viral Proteins / Q000502:physiology
chemical_list: D014764:Viral Proteins