title: An ordered precipitate of polyadenylic acid formed by freezing at acidic pH: comparison of X-ray diffraction and other properties of the precipitate with those of fibers or direct acid-precipitates.
mesh_terms: D000249:Adenosine Monophosphate; D011232:Chemical Precipitation; D005337:Fibrin / Q000032:analysis; D005615:Freezing; D006863:Hydrogen-Ion Concentration; D011119:Polynucleotides; D012995:Solubility; D014961:X-Ray Diffraction
chemical_list: D011119:Polynucleotides; D000249:Adenosine Monophosphate; D005337:Fibrin