PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20155960-3 2010 Gn/CBS methods provide a qualitatively different description of tautomeric (keto-enol) equilibrium in 2-substituted acetaldehydes. keto-enol 76-85 cystathionine beta-synthase Homo sapiens 3-6