title: Protein structure refinement: Streptomyces griseus serine protease A at 1.8 A resolution.
mesh_terms: D010450:Endopeptidases; D008958:Models, Molecular; D011487:Protein Conformation; D012694:Serine; D012697:Serine Endopeptidases; D012997:Solvents; D013305:Streptomyces griseus / Q000201:enzymology*; D014357:Trypsin; D014961:X-Ray Diffraction
chemical_list: D012997:Solvents; D012694:Serine; D010450:Endopeptidases; D012697:Serine Endopeptidases; D014357:Trypsin