PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12219241-6 1997 Moreover, when the absorption proportion of alpha-helix, random coil and the side-chain of tyrosine residues were concerned, it was found that the spectral property of the CDH treated by denaturants in the presence of substrate were rather similar to that of the non-denatured enzyme. denaturants 187-198 choline dehydrogenase Homo sapiens 172-175