title: A second form of actin: platelet microfilaments depolymerized by ATP and divalent cations.
mesh_terms: D000199:Actins / Q000097:blood*; D000205:Actomyosin / Q000097:blood*; D000255:Adenosine Triphosphate; D000596:Amino Acids / Q000032:analysis; D001665:Binding Sites; D001792:Blood Platelets / Q000032:analysis; D002413:Cations, Divalent; D002499:Centrifugation, Density Gradient; D004591:Electrophoresis, Polyacrylamide Gel; D006801:Humans; D046911:Macromolecular Substances; D008274:Magnesium; D008854:Microscopy, Electron; D008970:Molecular Weight; D011485:Protein Binding
chemical_list: D000199:Actins; D000596:Amino Acids; D002413:Cations, Divalent; D046911:Macromolecular Substances; D000255:Adenosine Triphosphate; D000205:Actomyosin; D008274:Magnesium