MeSH definition : An enzyme that catalyzes the first step of the pathway for histidine biosynthesis
in Salmonella typhimurium. ATP reacts reversibly with 5-phosphoribosyl-1-pyrophosphate
to yield N-1-(5'-phosphoribosyl)-ATP and pyrophosphate. EC 2.4.2.17.;
An enzyme that catalyzes the first step of the pathway for histidine biosynthesis
in Salmonella typhimurium. ATP reacts reversibly with 5-phosphoribosyl-1-pyrophosphate
to yield N-1-(5'-phosphoribosyl)-ATP and pyrophosphate. EC 2.4.2.17.