title: Free energy of imperfect nucleic acid helices. I. The bulge defect.
mesh_terms: D001483:Base Sequence; D002845:Chromatography; D003165:Complement System Proteins; D004247:DNA; D008970:Molecular Weight; D010084:Oxidation-Reduction; D012965:Sodium Chloride; D013053:Spectrophotometry; D013696:Temperature; D014461:Ultracentrifugation
chemical_list: D012965:Sodium Chloride; D003165:Complement System Proteins; D004247:DNA