title: How actin filaments pack into bundles.
mesh_terms: D000199:Actins; D000818:Animals; D002923:Cilia / Q000648:ultrastructure; D005260:Female; D006737:Horseshoe Crabs; D008116:Lizards; D046911:Macromolecular Substances; D008297:Male; D008854:Microscopy, Electron; D008958:Models, Molecular; D008961:Models, Structural; D010063:Ovum / Q000648:ultrastructure; D012617:Sea Urchins; D013094:Spermatozoa / Q000648:ultrastructure; D014961:X-Ray Diffraction
chemical_list: D000199:Actins; D046911:Macromolecular Substances