title: Purine biosynthesis: enzymatic formation of ribosylamine-5-phosphate from ribose-5-phosphate and ammonia.
mesh_terms: D000227:Adenine Nucleotides / Q000494:pharmacology; D000641:Ammonia / Q000378:metabolism*; D004791:Enzyme Inhibitors; D004926:Escherichia coli / Q000201:enzymology* / Q000378:metabolism; D005246:Feedback; D006150:Guanine Nucleotides / Q000494:pharmacology; D010428:Pentosephosphates / Q000096:biosynthesis* / Q000378:metabolism*
chemical_list: D000227:Adenine Nucleotides; D004791:Enzyme Inhibitors; D006150:Guanine Nucleotides; D010428:Pentosephosphates; D000641:Ammonia