2.4.2.17 dimer active form 637675 2.4.2.17 heterooctamer 4 * 40000 + 4 * 23000, subunits HisZ and HisGS, SDS-PAGE -, 758806 2.4.2.17 heterooctamer catalytic (HisGS) and regulatory (HisZ) subunits assemble in a heterooctamer 776287 2.4.2.17 heterooctamer short-form ATP phosphoribosyltransferase is a hetero-octameric allosteric enzyme comprising four catalytic subunits (HisGS) and four regulatory subunits (HisZ) -, 758815 2.4.2.17 heterooctamer the catalytic subunit, HisGs, is allosterically activated upon binding of the regulatory subunit, HisZ, to form the heterooctameric holoenzyme -, 776638 2.4.2.17 heterooctamer the enzyme consist of four catalytic subunits (HisGS) and four regulatory subunits (HisZ) -, 758554 2.4.2.17 hexamer - -, 737208 2.4.2.17 hexamer 6 * 33000, SDS-disc gel electrophoresis 637669 2.4.2.17 hexamer 6 * 33367, dimers arranged in a hexamer, in the presence of AMP 637674 2.4.2.17 hexamer 6 * 36000, viscometric methods, equilibrium centrifugation with meniscus depletion method after dialysis against 5.0 M guanidine-HCl and 0.143 M 2-mercaptoethanol 637664