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. 1999 Nov;37(11):3742–3745. doi: 10.1128/jcm.37.11.3742-3745.1999

FIG. 1.

FIG. 1

Restriction map of the plasmid clone pSN-1 and its derivatives. The presence (+) or absence (−) of PC-PLC activity is also indicated. Plasmids pSN-1a, -1b, -1c, and -1d were derived from pSN-1 by restriction enzyme digestion at the sites indicated in the map (in nucleotides) and cloned into pKSII(−).