1.13.12.24 ? x * 27000, SDS-PAGE 1.13.12.24 ? x * 26000, SDS-PAGE 1.13.12.24 ? x * 21000, SDS-PAGE 1.13.12.24 ? x * 30000, calculated from total weight of residues 1.13.12.24 additional information x * 21400, calculated