Molecular dynamics study on class A β-lactamase: Hydrogen bond network among the functional groups of penicillin G and side chains of the conserved residues in the active site

Yasuyuki Fujii, Noriaki Okimoto, Masayuki Hata, Tetsu Narumi, Kenji Yasuoka, Ryutaro Susukita, Atsushi Suenaga, Noriyuki Futatsugi, Takahiro Koishi, Hideaki Furusawa, Atsushi Kawai, Toshikazu Ebisuzaki, Saburo Neya, Tyuji Hoshino