Meyer, E., Leonard, N.J., Bhat, B., Stubbe, J. and Smith, J.M. (1992). „Purification and characterization of the purE, purK, and purC gene products: identification of a previously unrecognized energy requirement in the purine biosynthetic pathway”. Biochemistry31: 5022-5032. PMID1534690.
Mueller, E.J., Meyer, E., Rudolph, J., Davisson, V.J. and Stubbe, J. (1994). „N5-Carboxyaminoimidazole ribonucleotide: evidence for a new intermediate and two new enzymatic activities in the de novo purine biosynthetic pathway of Escherichia coli”. Biochemistry33: 2269-2278. PMID8117684.
Thoden, J.B., Kappock, T.J., Stubbe, J. and Holden, H.M. (1999). „Three-dimensional structure of N5-carboxyaminoimidazole ribonucleotide synthetase: a member of the ATP grasp protein superfamily”. Biochemistry38: 15480-15492. PMID10569930.
