3.2.2.22 ? x * 13000, SDS-PAGE 749545 3.2.2.22 ? x * 13000, SDS-PAGE, x * 10964.6, mass spectrometry 710473 3.2.2.22 ? x * 26000, SDS-PAGE 666621 3.2.2.22 ? x * 27000, SDS-PAGE 715779, 749545 3.2.2.22 ? x * 28000, A chain, + x * 29000, B chain, SDS-PAGE 684025 3.2.2.22 ? x * 28000, SDS-PAGE 731115 3.2.2.22 ? x * 28000, subunit A1, SDS-PAGE 732120 3.2.2.22 ? x * 29000, A chain, + x * 28000, B chain, SDS-PAGE 683912 3.2.2.22 ? x * 29000, SDS-PAGE 731196 3.2.2.22 ? x * 29094, calculated from amino acid sequence 731196