1.1.1.3 ? x * 85000, SDS-PAGE, threonine sensitive isozyme 246383 1.1.1.3 dimer 2 * 38000, SDS-PAGE, threonine resistant isozyme 246385 1.1.1.3 dimer x * 89000 + x * 93000, SDS-PAGE, threonine sensitive isozyme 246385 1.1.1.3 tetramer x * 89000 + x * 93000, SDS-PAGE, threonine sensitive isozyme 246385 1.1.1.3 dimer 2 * 55000, SDS-PAGE 246389 1.1.1.3 tetramer 4 * 55000, SDS-PAGE 246395 1.1.1.3 dimer crystal structure 246396 1.1.1.3 dimer 2 * 40000, SDS-PAGE 246399 1.1.1.3 hexamer in absence of L-threonine 642340 1.1.1.3 tetramer in presence of L-threonine 642340