J Antimicrob Chemother 2014; 69: 2690–8
An error was present in the original published version of this article. In Table 2, the protein accession number for the sequence identical to the CfxA-type β-lactamase was incorrectly given as ADD23513; it should have been AAD23513. The error has now been corrected in the online version of the article.
The authors apologize for this error.
