title: Acanthamoeba myosin. II. Interaction with actin and with a new cofactor protein required for actin activation of Mg 2+  adenosine triphosphatase activity.
mesh_terms: D000199:Actins; D000251:Adenosine Triphosphatases; D000255:Adenosine Triphosphate; D000645:Ammonium Sulfate; D000656:Amoeba / Q000032:analysis; D000818:Animals; D002845:Chromatography; D002850:Chromatography, Gel; D004591:Electrophoresis, Polyacrylamide Gel; D004789:Enzyme Activation; D008274:Magnesium; D008854:Microscopy, Electron; D008970:Molecular Weight; D009218:Myosins; D010455:Peptides / Q000032:analysis; D011485:Protein Binding; D011487:Protein Conformation; D011506:Proteins / Q000032:analysis / Q000302:isolation & purification; D012967:Sodium Dodecyl Sulfate; D014461:Ultracentrifugation
chemical_list: D000199:Actins; D010455:Peptides; D011506:Proteins; D012967:Sodium Dodecyl Sulfate; D000255:Adenosine Triphosphate; D000251:Adenosine Triphosphatases; D009218:Myosins; D008274:Magnesium; D000645:Ammonium Sulfate