2.7.7.47 ? x * 49000, SDS-PAGE 2.7.7.47 ? x * 29113, calculated from amino acid sequence 2.7.7.47 dimer and monomer, dynamic light scattering 2.7.7.47 monomer small-angle X-ray scattering 2.7.7.47 monomer and dimer, dynamic light scattering