Table 7 . Completely sequenced pMW2-like S. aureus plasmids.

Plasmid	Percentage Identity to pMW2a	Strain Source	Year	Location	Referenceb
pMW2	—	Human clinical	1998	North Dakota, United States	Baba et al. 2002
pSAS	99.93	Human clinical	1998	United Kingdom	Holden et al. 2004
p21	98.95	Clinical	unknown	unknown	Unpublished
SAP053A	99.87	Human clinical	2007	Nebraska, United States	This work
SAP072A	99.99	Animal clinical	2004	United Kingdom	This work
SAP073A	99.58	CA infection	1999	Oxford, United Kingdom	This work
pWBG750	99.96	CA infection	1995	Western Australia	This work
pWBG757	99.54	Screening	1995	Western Australia	This work
pWBG763	99.58	Screening	1995	Western Australia	This work

CA, community-acquired.

^aMismatches and gaps were determined by ClustalW alignment. Gaps were considered mismatches in calculating percentage identity.

^bSee Table S2 for accession numbers of newly sequenced plasmids. Previously sequenced plasmids are pMW2, NC_005011; pSAS, NC_005951; and p21, NC_002517.