title: Interactions of nucleic-acid base-pairs with acidic side chains of protein. Crystal structures of adenine: 1-(2-carboxyethyl)uracil (1:1) complex and 1-methylcytosine: 9-(2-carboxyethyl)guanine (1:1) complex.
mesh_terms: D000225:Adenine; D001482:Base Composition; D003596:Cytosine / Q000031:analogs & derivatives; D006147:Guanine / Q000031:analogs & derivatives; D006860:Hydrogen Bonding; D008958:Models, Molecular; D009690:Nucleic Acid Conformation; D011506:Proteins; D014498:Uracil / Q000031:analogs & derivatives; D014961:X-Ray Diffraction
chemical_list: D011506:Proteins; C031532:1-methylcytosine; C037339:1-(2-carboxyethyl)uracil; D014498:Uracil; D006147:Guanine; C037340:9-(2-carboxyethyl)guanine; D003596:Cytosine; D000225:Adenine