@article {CaltechAUTHORS_https://authors.library.caltech.edu/id/eprint/7056, title ="The b iosynthesis of histidine: imidazoleglycerol phosphate, imidazoleacteol phosphate, and histidinol phosphate", author = "Ames, Bruce N. and Mitchell, Herschel K.", journal = "Journal of Biological Chemistry", volume = "212", number = "2", pages = "687-696", month = "February", year = "1955", url = "https://resolver.caltech.edu/CaltechAUTHORS:AMEjbc55.789", }