@article {12421,
	title = {Characterization of the murMN operon involved in the synthesis of branched peptidoglycan peptides in Streptococcus pneumoniae},
	journal = {J. Biol. Chem},
	volume = {275},
	year = {2000},
	pages = {27768-27774},
	author = {S. R. Filipe and M. G. Pinho and A. Tomasz}
}
