Guddat, L. W., Vos, S., Martin, J. L., Keough, D. T., & de Jersey, J. (2002). Crystal structures of free, IMP-, and GMP-bound Escherichia coli hypoxanthine phosphoribosyltransferase. Cold Spring Harbor Laboratory Press.

Guddat, Luke W., Siska Vos, Jennifer L. Martin, Dianne T. Keough, and John de Jersey. Crystal Structures of Free, IMP-, and GMP-bound Escherichia Coli Hypoxanthine Phosphoribosyltransferase. Cold Spring Harbor Laboratory Press, 2002.

Guddat, Luke W., et al. Crystal Structures of Free, IMP-, and GMP-bound Escherichia Coli Hypoxanthine Phosphoribosyltransferase. Cold Spring Harbor Laboratory Press, 2002.