2P-438(WS12-2)Poster: October 20 (Thu) 17:00Room Poster (Hall No.1 1F/2F, Hall No.2 1F, Kobe International Exhibition Hall) / Workshop: October 19 (Wed) 16:52Room S (Hall No.2 2F A, Kobe International Exhibition Hall) Roles of amino acids at the molecular surface of a heme-regulated phosphodiesterase Ec DOS in catalysis and heme electronic states: Noriko Chida, Hirofumi Kurokawa, Tokiko Suzuki-Yosimura, Toru ShimizuKeywords: HEMOPROTEIN; SIGNAL-TRANSDUCTION; CYCLIC-AMP