title: Determination of the distance between heavy-atom markers in haemoglobin and histidine decarboxylase in solution by small-angle x-ray scattering.
mesh_terms: D002262:Carboxy-Lyases; D006454:Hemoglobins; D006640:Histidine Decarboxylase; D006801:Humans; D008706:Methemoglobin; D008837:Micrococcus / Q000201:enzymology; D009941:Organomercury Compounds; D011487:Protein Conformation; D012542:Scattering, Radiation; D014965:X-Rays
chemical_list: D006454:Hemoglobins; D009941:Organomercury Compounds; D008706:Methemoglobin; D002262:Carboxy-Lyases; D006640:Histidine Decarboxylase