Crystal Structures of Biapenem and Tebipenem Complexed with Penicillin-Binding Proteins 2X and 1A from Streptococcus pneumoniae

Mototsugu Yamada, Takashi Watanabe, Nobuyoshi Baba, Yasuo Takeuchi, Fukuichi Ohsawa and Shuichi Gomi

Antimicrobial Agents and Chemotherapy 52 ( 6 ): 2053 - 2060 , 2008