title: Structure of F-actin needles from extracts of sea urchin oocytes.
mesh_terms: D000199:Actins; D000818:Animals; D001665:Binding Sites; D005260:Female; D008854:Microscopy, Electron; D008958:Models, Molecular; D009865:Oocytes / Q000648:ultrastructure*; D055095:Optics and Photonics; D010063:Ovum / Q000648:ultrastructure*; D011487:Protein Conformation; D012617:Sea Urchins
chemical_list: D000199:Actins