PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3756304-8 1986 Since the ester compounds do not have hydrogen bond donating groups proximate to the aromatic ring, these results suggest a model for the A-T specificity of these compounds that involves a solvent-mediated hydrogen bond between the C-2 carbonyl of thymine and the carbonyl group of the intercalators. Thymine 248-255 complement C2 Bos taurus 232-235