2.1.1.80 ? x * 29000-30000, SDS-PAGE 733989 2.1.1.80 ? x * 73000, maltose binding protein-tagged enzyme, SDS-PAGE 720653 2.1.1.80 monomer 1 * 30000, SDS-PAGE 485638 2.1.1.80 monomer 1 * 32247, isoform CheR2, calculated from amino acid sequence -, 734215 2.1.1.80 monomer 1 * 33000, SDS-PAGE 485636 2.1.1.80 monomer 1 * 38600, isoform CheR2, sedimentation equilibrium ultracentrifugation -, 734215 2.1.1.80 monomer 1 * 44000, MCP methyltransferase I, SDS-PAGE 485644