MKLFYKPGACSLASHITLRESGKDFTLVSVDLMKKRLENGDDYFAVNPKG QVPALLLDDGTLLTEGVAIMQYLADSVPDRQLLAPVNSISRYKTIEWLNY IATELHKGFTPLFRPDTPEEYKPTVRAQLEKKLQYVNEALKDEHWICGQR FTIADAYLFTVLRWAYAVKLNLEGLEHIAAFMQRMAERPEVQDALSAEGL K
1a0f Three-dimensional structure of Escherichia coli glutathione S-transferase complexed with glutathione sulfonate: catalytic roles of Cys10 and His106.