PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12207646-4 2002 The reaction consists of hydroxylation of the flavanone molecule at C-2 and an intramolecular 1,2-aryl migration from C-2 to C-3 to yield 2-hydroxyisoflavanone. flavanone 46-55 complement C3 Homo sapiens 125-128