ID 2.7.1.223 DE aminoimidazole riboside kinase. CA 5-amino-1-(beta-D-ribosyl)imidazole + ATP = 5-amino-1-(5-phospho-beta-D- CA ribosyl)imidazole + ADP + H(+). CC -!- The enzyme, characterized from the bacterium Salmonella enterica, CC can phosphorylate exogeneously-provided 5-amino-1-(beta-D- CC ribosyl)imidazole to form 5-amino-1-(5-phospho-beta-D- CC ribosyl)imidazole (AIR), an important intermediate in the production CC of both purine mononucleotides and the hydroxymethyl pyrimidine CC moiety of thiamine. DR Q8ZKR2, AIRSK_SALTY; //