Feldman MF, Marolda CL, Monteiro MA, Perry MB, Parodi AJ, Valvano MA (December 1999). „The activity of a putative polyisoprenol-linked sugar translocase (Wzx) involved in Escherichia coli O antigen assembly is independent of the chemical structure of the O repeat”. J. Biol. Chem.274 (49): 35129–38. DOI:10.1074/jbc.274.49.35129. PMID10574995.
Zhou Z, White KA, Polissi A, Georgopoulos C, Raetz CR (May 1998). „Function of Escherichia coli MsbA, an essential ABC family transporter, in lipid A and phospholipid biosynthesis”. J. Biol. Chem.273 (20): 12466–75. DOI:10.1074/jbc.273.20.12466. PMID9575204.
Feldman MF, Marolda CL, Monteiro MA, Perry MB, Parodi AJ, Valvano MA (December 1999). „The activity of a putative polyisoprenol-linked sugar translocase (Wzx) involved in Escherichia coli O antigen assembly is independent of the chemical structure of the O repeat”. J. Biol. Chem.274 (49): 35129–38. DOI:10.1074/jbc.274.49.35129. PMID10574995.
Zhou Z, White KA, Polissi A, Georgopoulos C, Raetz CR (May 1998). „Function of Escherichia coli MsbA, an essential ABC family transporter, in lipid A and phospholipid biosynthesis”. J. Biol. Chem.273 (20): 12466–75. DOI:10.1074/jbc.273.20.12466. PMID9575204.