Whole genome sequencing reads for BIGSdb isolates 1-30 (isolates 26,27,28,29 are already published with accession numbers: NC_009839; NC_008787; NC_003912; NC_002163). For isolates 1-3 de novo 454 sequencing was assembled using Newbler (April 2009). For isolates 4-25 and 30 de novo illumnia sequencing was assembled using Velvet 1.0