2.4.2.17	1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate	-	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	r	434502	
2.4.2.17	1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate	-	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	?	434502	
2.4.2.17	ADP + 5-phospho-alpha-D-ribose 1-diphosphate	-	1-(5-phospho-beta-D-ribosyl)-ADP + diphosphate	-	r	473251	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	1-(5-phospho-D-ribosyl)-ATP + diphosphate	-	?	354544	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	1-(5-phospho-D-ribosyl)-ATP + diphosphate	-	r	354544	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	first step in histidine biosynthesis, enzyme is regulated in a complex allosterical manner, it is a key enzyme is control of the metabolic flux through the pathway	1-(5-phospho-D-ribosyl)-ATP + diphosphate	-	?	354544	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	first step in histidine biosynthesis, mechanism of regulation, overview	1-(5-phospho-D-ribosyl)-ATP + diphosphate	-	r	354544	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	first step in histidine biosynthesis	1-(5-phospho-D-ribosyl)-ATP + diphosphate	-	r	354544	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	first reaction of histidine biosynthesis	1-(5-phospho-D-ribosyl)-ATP + diphosphate	-	?	354544	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	first enzyme in histidine biosynthetic pathway. ATP-PRT expression plays a major role in regulating the pool of free His and contributes to the exceptional Ni tolerance of hyperaccumulator Alyssum species	1-(5-phospho-D-ribosyl)-ATP + diphosphate	-	?	354544	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	diphosphate + N-1-(5'-phosphoribosyl)-ATP	-	?	370442	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	first step in histidine biosynthesis	diphosphate + N-1-(5'-phosphoribosyl)-ATP	-	?	370442	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	1-(5-phospho-alpha-D-ribosyl)-ATP + diphosphate	-	r	422859	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	1-(5-phospho-alpha-D-ribosyl)-ATP + diphosphate	-	?	422859	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate	-	r	434616	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate	-	?	434616	
2.4.2.17	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	N1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate	-	r	457116	
2.4.2.17	additional information	not: ribose 5-phosphate, AMP, ADP, UTP, CTP, GTP	?	-	?	89	
2.4.2.17	additional information	the enzyme comprises 4 catalytic subunits HisGs and 4 regulatory subunits HisZ, only the complete hetero-octameric complex is catalytically active, the complex possesses 8 histidine binding sites at the subunit interfaces and histidine as a ligand	?	-	?	89	
2.4.2.17	additional information	the enzyme comprises 4 catalytic subunits HisGs and 4 regulatory subunits HisZ with histidine as a ligand, 8 histidine binding sites at the subunit interfaces	?	-	?	89	
2.4.2.17	N1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate	-	ATP + 5-phospho-alpha-D-ribose 1-diphosphate	-	r	457220