Butt, J. N. (2003) Fresh perspectives on nitrogen-cycle enzymes from protein film voltammetry. Recent Research Developments in Biochemistry, 4. pp. 159-180.
Gates, Andrew J., Hughes, Richard O., Sharp, Sarah R., Millington, Paul D., Nilavongse, Arjaree, Cole, Jeffrey A., Leach, Emily-Rose, Jepson, Brian J. N., Richardson, David J. and Butler, Clive S. (2003) Properties of the periplasmic nitrate reductases from Paracoccus pantotrophus and Escherichia coli after growth in tungsten-supplemented media. FEMS Microbiology Letters, 220 (2). pp. 261-269. ISSN 1574-6968
Oganesyan, Vasily, Hubbard, P.L., Butt, Julea and Jayasooriya, Upali A (2003) Laying the foundation for understanding muon implantation in DNA: ab initio DFT calculations of the nucleic acid base muonium adducts. Physica B: Condensed Matter, 326 (1-4). pp. 25-29. ISSN 1873-2135
Todd, Jonathan D., Wexler, Margaret, Sawers, Gary, Yeoman, Kay H., Poole, Philip S. and Johnston, Andrew W. B. (2003) RirA, an iron-responsive regulator in the symbiotic bacterium Rhizobium leguminosarum. Microbiology, 148 (12). pp. 4059-4071. ISSN 1350-0872
Wexler, M., Todd, J.D., Kolade, O., Bellini, D., Hemmings, A.M., Sawers, G. and Johnston, A.W.B. (2003) Fur is not the global regulator of iron uptake genes in Rhizobium leguminosarum. Microbiology, 149. pp. 1357-1365. ISSN 1465-2080