PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15339918-6 2004 These findings suggest that His(320) is located in the distal heme pocket of OxdA and would donate a proton to the substrate in the aldoxime dehydration mechanism. Heme 62-66 D-amino acid oxidase Homo sapiens 77-81