Correction: Prokaryotic Ubiquitin-Like Protein (Pup) Proteome of Mycobacterium tuberculosis

There was a typographic error in the title of this article. The correct title is: Prokaryotic Ubiquitin-Like Protein (Pup) Proteome of Mycobacterium tuberculosis. The correct citation is: Festa RA, McAllister F, Pearce MJ, Mintseris J, Burns KE, et al. (2010) Prokaryotic Ubiquitin-Like Protein (Pup) Proteome of Mycobacterium tuberculosis. PLoS ONE 5(1): e8589. doi:10.1371/journal.pone.0008589