PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8138051-2 1994 Galactose oxidase is known to catalyze the oxidation of the C-6 hydroxymethyl group of galactose to an aldehyde group. Aldehydes 103-111 complement C6 Homo sapiens 60-63