Lohkamp B, McDermott G, Campbell SA, Coggins JR, Lapthorn AJ (February 2004). "The structure of Escherichia coli ATP-phosphoribosyltransferase: identification of substrate binding sites and mode of AMP inhibition". J. Mol. Biol. 336 (1): 131–44. doi:10.1016/j.jmb.2003.12.020. PMID14741209.
Lohkamp B, McDermott G, Campbell SA, Coggins JR, Lapthorn AJ (February 2004). "The structure of Escherichia coli ATP-phosphoribosyltransferase: identification of substrate binding sites and mode of AMP inhibition". J. Mol. Biol. 336 (1): 131–44. doi:10.1016/j.jmb.2003.12.020. PMID14741209.