Does anyone know of a reference or web site that gives MW for plasmids commonly isolated from enviro

[Frank Pascoe]

Does anyone know of a reference or web site that gives MW for plasmids commonly isolated from environmental E. coli isolates?

-- Frank
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Dr.  Frank H. Pascoe
Professor of Biology 
University of St. Francis
500 North Wilcox St.
Joliet, IL 60435
Phone: 815/740-3814
Fax:  815/740-4285