Roush R.F., Nolan E.M., Lцhr F., Walsh C.T. Maturation of an Escherichia coli Ribosomal Peptide Antibiotic by ATP-Consuming N?P Bond Formation in Microcin C7 // J. Am. Chem. Soc. - 2008. - Vol. 130. - N 11. - P. 3603-3609.