1.14.13.160 ? x * 60000, SDS-PAGE, x * 63500, calculated, both for His-tagged protein 1.14.13.160 dimer 2 * 56000, SDS-PAGE 1.14.13.160 dimer x * 62000, SDS-PAGE, x * 61480, calculated 1.14.13.160 homodimer -