Itaru Hamachi, Shigeaki Tanaka, Shinya Tsukiji, Seiji Shinkai, Masafumi Shimizu and Teruyuki Nagamune
Ruthenium–tris(bipyridine)-appended heme is successfully reconstituted with apo-cytochrome b562 (Cyt-b562); the redox state of the active site in the resultant semisynthetic Cyt-b562 can be switched by visible light irradiation.