PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18225880-4 2008 The Acr+ serves as a photosensitizer to produce a hole on guanine (G), and the G-C base pairs were used as a hole-transporting pathway to separate a hole from Acr* (the one-electron-reduced form of Acr+) to be trapped at Ptz. phenothiazine 221-224 acrosin Homo sapiens 4-7