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	
2.4.2.17	hexamer	inactive form, in complex with histidine	637675	
2.4.2.17	homodimer	2 * 32191, MALDI-TOF MS, gel filtration, theoretical molecular mass 31000	721765	
2.4.2.17	homohexamer	6 * 31515.1, ESI-MS, gel filtration, His-tagged protein, not influenced by allosteric inhibitor L-histidine or ATP	-, 721673	
2.4.2.17	homohexamer	6 * 32191, MALDI-TOF MS, gel filtration, theoretical molecular mass 31000	721765	
2.4.2.17	homohexamer	long enzyme form	-, 758757	
2.4.2.17	homohexamer	x-ray crystallography	758758	
2.4.2.17	homohexamer or heterooctamer	the long-form enzyme is a homohexamer with each chain comprised of the catalytic core, and a covalent C-terminal regulatory domain containing the allosteric binding site for histidine. The short-form is a hetero-octamer containing two catalytic dimers that associate with a second discrete domain (denoted HisZ) for allosteric regulation by the binding of histidine	-, 758560	
2.4.2.17	additional information	overall structure and monomer architecture, several motif 2 loops in both subunit types, switch structure between active and inactive conformation	659495	
2.4.2.17	additional information	quarternary structure	659707	
2.4.2.17	additional information	subunit structures, structure evolution	659965	
2.4.2.17	octamer	4 * catalytic subunit HisGs + 4 * regulatory subunit HisZ, (alpha,beta)4	659495, 659965	
2.4.2.17	octamer	four HisGS catalytic subunits related to periplasmic binding proteins and four HisZ regulatory subunits that resemble histidyl-tRNA synthetases	678174