title: Fraction 1 protein crystals in chloroplasts of isolated tobacco leaf protoplasts: a thin-section and freeze-etch morphological study.
mesh_terms: D002736:Chloroplasts / Q000648:ultrastructure*; D003460:Crystallization; D005613:Freeze Etching; D010940:Plant Proteins; D010947:Plants, Toxic; D011523:Protoplasts / Q000648:ultrastructure; D014026:Nicotiana / Q000648:ultrastructure*
chemical_list: D010940:Plant Proteins