... Medical School, Department of Biochemistry and Molecular Biology, Bunkyo-ku, Tokyo, Japan;3Osaka Medical School, Department of Physics, Takatsuki,Osaka, JapanAsystematicsearchforEscherichia coli ... (A and C, 1 lg; B and D, 5 lg), BSA (A and C, 1 lg; B and D, 5 lg), RNA polymerase (A and C, 1 lg; B and D, 5 lg) and RpoD (RNA polymerase rsubunit) (A and C, 1 lg; B and D, 5 lg), by SDS/PAGE. ... modification and mass spectrometry analysis. Biochemistry 38, 8582–8589.28. Ohyoshi, K., Hamada, Y. , Nakata, K. & Kohata, S. (1999) The interaction between human and bovine serum albumin and...