3.7.1.1 homotetramer 4 * 31986, mass spectrometry 693684 3.7.1.1 homotetramer 4 * 32000, SDS-PAGE 693684 3.7.1.1 homotetramer 4 * 32117, calculated from amino acid sequence 693684 3.7.1.1 additional information an active site gating loop exhibits conformational disorder in the ligand-free structure 719879 3.7.1.1 additional information the results are consistent with the existence of a monomer-dimer-tetramer equilibrium 687682 3.7.1.1 oligomer 10-12 * 39000, SDS-PAGE 210608 3.7.1.1 tetramer OAH assembles into a dimer of dimers with each subunit exhibiting an (alpha/beta)8 barrel fold and each pair swapping the 8th alpha-helix 719879